January 09, 2013

Climate Change is a long-term shift in the climate of a specific location, region or planet. The shift is measured by changes in features associated with average weather, such as temperature, wind patterns and precipitation. Climate Change is the biggest emerging environmental challenge to date.


1.           Abatement: Abatement is the word which is used to denote the result of decreased Greenhouse Gases Emission. This can also be taken as an activity to lessen the effects of Greenhouse Effect.

2.           Aboveground Biomass: All living biomass above the soil including the stem, stump, branches, bark, seeds and foliage is known as aboveground biomass.

3.           Absolute Humidity: The quantity of water vapor in a given volume of air expressed by mass is known as absolute humidity.

4.           Absolute Risk: A quantitative or qualitative prediction of the likelihood and significance of a given impact is known as absolute risk. In the Voluntary Carbon Standard (VCS), the level of absolute risk can be calculated using the ‘likelihood × significance’ methodology. The calculated risk can then be converted into a risk classification.

5.           Accelerated Erosion: Erosion is a natural phenomenon which results in soil losses and water quality degradation. Accelerated erosion is generally caused by activities that disturb or expose the soil to the erosive forces of gravity and rainwater. Climatic or weather conditions combined with human activity can accentuate soil erosion. For example, severe and intense storm events may increase the rate of accelerated erosion.

6.           Acceptable Risk: The level of potential losses that a society or community considers acceptable given existing social, economic, political, cultural, technical and environmental conditions is known as acceptable risk. The term “acceptable risk” describes the likelihood of an event whose probability of occurrence is small, whose consequences are so slight, or whose benefits (perceived or real) are so great, that individuals or groups in society are willing to take or be subjected to the risk that the event might occur. The concept of acceptable risk evolved partly from the realization that absolute safety is generally an unachievable goal, and that even very low exposures to certain toxic substances may confer some level of risk. The notion of virtual safety corresponding to an acceptable level of risk emerged as a risk management objective in cases where such exposures could not be completely or cost-effectively eliminated.

7.            Acclimatization: The process of an individual organism adjusting to a gradual change in its environment (such as a change in temperature, humidity, photoperiod or pH) allowing it to maintain performance across a range of environmental conditions is known as acclimatization. Acclimatization occurs in a short period of time (days to weeks), and within the organism’s lifetime (compare to adaptation). This may be a discrete occurrence or may instead represent part of a periodic cycle, such as a mammal shedding heavy winter fur in favor of a lighter summer coat. Organisms can adjust their morphological, behavioural, physical and/or biochemical traits in response to changes in their environment.

8.            Adaptability: The ability of a system to adjust to Climate Change (including climate variability and extremes) to moderate potential damages, to take advantage of opportunities or to cope with the consequences is known as adaptability.

9.            Adaptation: Adjustment in natural or human systems to a new or changing environment is known as adaptation. Adaptation is a process by which individuals, communities and countries seek to cope with the consequences of climate change. ‘Adaptation is not coping’, it is about the capacity to shift strategies as conditions change and to develop systems that are resilient and sufficiently flexible to respond to change. It may be planned or autonomous. Various types of adaptation can be distinguished, including anticipatory and reactive adaptation, private and public adaptation, and autonomous and planned adaptation.

10.        Adaptation Assessment: The practice of identifying options to adapt to climate change effects and evaluating them in terms of criteria such as availability, benefits, costs, effectiveness, efficiency and feasibility is known as adaptation assessment.

11.        Adaptation Baseline: Any datum (baseline or reference) against which change is measured is known as adaptation baseline. It might be a “current baseline,” in which case it represents observable present-day conditions. It might also be a “future baseline,” which is a projected future set of conditions excluding the driving factor of interest. Alternative interpretations of the reference conditions can give rise to multiple baselines.

12.       Adaptation Benefits: The avoided damage costs or the accrued benefits following the adoption and implementation of adaptation measures are known as adaptation benefits.

13.       Adaptation Cost: Costs of planning, preparing for, facilitating and implementing adaptation measures including transition costs is known as adaptation cost.

14.       Adaptation Deficit: Failure to adapt adequately to existing climate risks largely accounts for the adaptation deficit. Controlling and eliminating this deficit in the course of development is necessary but is not a sufficient step in the longer-term project of adapting to climate change. Development decisions that do not properly consider current climate risks add to the costs and increase the deficit. As Climate Change accelerates, the adaptation deficit has the potential to rise much higher unless a serious adaptation program is implemented.

15.       Adaptation Fund: Fund which was established to finance concrete adaptation projects and programmes in developing country Parties to the Kyoto Protocol that are particularly vulnerable to the adverse effects of Climate Change is known as adaptation fund.

16.       Adaptation Measures: Measures can be individual interventions or they consist of packages of related measures. Specific measures might include actions that promote the chosen policy direction, such as implementing an irrigation project or setting up a farmer information, advice and early warning programme. It is usually addressed together; respond to the need for climate adaptation in distinct but sometimes overlapping ways. Policies, generally speaking, refer to objectives together with the means of implementation.

18.        Adaptation Policy Baseline: Any datum against which change is measured is known as adaptation policy baseline. It includes a description of adaptations to current climate that are already in place (e.g. existing risk mitigation policies and programmes).

19.        Adaptation Policy Framework (APF): Structural process for developing adaptation strategies, policies, and measures to enhance and ensure human development in the face of Climate Change including climate variability is known as adaptation policy framework. The APF is designed to link Climate Change adaptation to sustainable development and other global environmental issues. It consists of five basic components scoping and designing an adaptation project, assessing current vulnerability, characterizing future climate risks, developing an adaptation strategy and continuing the adaptation process.

20.        Adaptation Strategies: These are long-term changes in behavior and practice in response to continuing stresses. They are the responses of people to their analysis of risk. People may respond to climate change by changing their agricultural practices or using new technologies. For example, they might start rainwater harvesting or they may try to diversify their livelihood activities and focus on those less affected by natural hazards. Certain family members may migrate to another place. The extent to which people can adapt usually reflects their access to and ability to use different types of assets. In areas where there are very few assets or people lack the capacity to utilize them, vulnerability will be high.

21.        Adaptation Technologies: It includes both scientific and traditional technologies. Most adaptation technology focuses on local innovations, knowledge and practices that are effective in adapting to climatic hazards. The application of technology in order to reduce the vulnerability or enhance the resilience of a natural or human system to the impacts of Climate Change.

22.        Adaptation to Climate Change: An initiatives and measures to reduce the vulnerability of natural and human systems against actual or expected Climate Change effects is known as adaptation to climate change. Crucial to reducing vulnerability to Climate Change, understanding how individuals, groups and natural systems can prepare for and respond to changes in climate is known as adaptation. The broader concept of adaptation also applies to non-climatic factors such as soil erosion or surface subsidence.

23.       Adaptive Capacity: The ability of a system to adjust to climate change (including climate variability and extremes) to moderate potential damages, to take advantage of opportunities or to cope with the consequences is known as adaptive capacity. The potential to adjust in order to minimize negative impacts and maximize any benefits from changes in climate is known as adaptive capacity. The whole of capabilities, resources and institutions of a country or region to implement effective adaptation measures.

24.       AdditionalityReduction in emissions by sources or enhancement of removals by sinks that is additional to any that would occur in the absence of a Joint Implementation or a Clean Development Mechanism project activity as defined in the Kyoto Protocol Articles on Joint Implementation and the Clean Development Mechanism is known as additionality.

25.       Adverse Effect: Changes in the physical environment or biota resulting from climate change which have significant deleterious effects on the composition, resilience or productivity of natural and managed ecosystems or on the operation of a socioeconomic systems or on human health and welfare is known as adverse effect.

26.       Aerosols: A collection of airborne solid or liquid particles, with a typical size between 0.01 and 10 mm that reside in the atmosphere for at least several hours is known as aerosols. Aerosols may be of either natural or anthropogenic origin. Aerosols may influence climate in two ways: directly through scattering and absorbing radiation and indirectly through acting as condensation nuclei for cloud formation or modifying the optical properties and lifetime of clouds.

27.       Afforestation: Planting of new forests on lands that historically have not contained forests or the direct human-induced conversion of land that has not been forested for a period of at least 50 years to forested land through planting, seeding and/or the human-induced promotion of natural seed sources is known as afforestation.

28.        Aggregate Impacts: Total impacts summed up across sectors and/or region is known as aggregate impacts. The aggregation of impacts requires knowledge of (or assumptions about) the relative importance of impacts in different sectors and regions. Measures of aggregate impacts include, for example, the total number of people affected, change in net primary productivity, number of systems undergoing change or total economic costs.

29.        Agriculture, Forestry and Other Land Use (AFOLU): This includes activities related to: Afforestation, Reforestation and Revegetation (ARR), Agricultural Land Management (ALM), Improved Forest Management (IFM) and Reduced Emissions from Deforestation and Degradation (REDD).

30.        Agroclimatology: The study of climate as to its effect on crops; it includes, for example, the relation of growth rate and crop yields to the various climatic factors and hence the optimum and limiting climates for any given crop is known as agroclimatology.

31.        Agroecology: The application of ecological principles to the production of food, fuel, fiber and pharmaceuticals is known as agroecology. The term encompasses a broad range of approaches and is considered a science, a movement and a practice.

32.        Agroforestry: An ecologically based natural resource management system in which trees are integrated in farmland and rangeland is known as agroforestry.

33.        Air: The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth’s gravity is known as air.

34.        Airborne Disease: Any diseases which are caused by pathogenic microbial agents and transmitted through the air is known as air borne disease. Airborne diseases effect humans and get discharged through coughing, sneezing, laughing or through close personal contact. These pathogens ride on either dust particles or small respiratory droplets and can stay suspended in air and or are capable of traveling distances on air currents.

35.        Air Pollution: The introduction of chemicals, particulate matter or biological materials that cause harm or discomfort to humans or other living organisms or cause damage to the natural environment or built environment into the atmosphere is known as air pollution.

36.       Allowance: An amount that is allowed or granted, for example, something such as money given at regular intervals or for a specific purpose is known as allowance.

37.       Alternative Energy: Energy derived from non-fossil-fuel sources or energy sources other than the traditional forest product and commercial energy items is known as alternative energy. They are tidal power, wind power, solar power etc.

38.       Alternative Technology: Technologies which are more environmentally friendly than the functionally equivalent technologies dominant in current practice is known as alternative technology. It is technology that has an alternative to resource-intensive and wasteful industry, aims to utilize resources sparingly with minimum damage to the environment at affordable cost and with a possible degree of control over the processes.

39.       Ancillary Benefits: The ancillary or side effects of policies aimed exclusively at Climate Change mitigation. Such policies have an impact not only on greenhouse gas emissions but also on resource use efficiency like reduction in emissions of local and regional air pollutants associated with fossil-fuel use and on issues such as transportation, agriculture, land-use practices, employment, and fuel security. Sometimes these benefits are referred to as “ancillary impacts”. In some cases the benefits may be negative.

40.       Annex B Countries/Parties: The countries included in Annex B to the Kyoto Protocol that have agreed to a target for their greenhouse-gas emissions, including all the Annex I countries (as amended in 1998) except for Turkey and Belarus is known as Annex B countries or Parties.

41.       Annex I Countries/Parties: Group of countries included in Annex I (as amended in 1998) to the United Nations Framework Convention on Climate Change, including all the developed countries in the Organization for Economic Cooperation and Development and economies in transition are known as Annex I countries or parties.

42.        Annex II Countries: Group of countries included in Annex II to the United Nations Framework Convention on Climate Change, including all developed countries in the Organization for Economic Cooperation and Development is known as Annex II countries. Under Article 4.2(g) of the Convention, these countries are expected to provide financial resources to assist developing countries to comply with their obligations, such as preparing national reports. Annex II countries are also expected to promote the transfer of environmentally sound technologies to developing countries.

43.        Anthropogenic: It is related to the influence of human beings or their ancestors on natural objects. Anthropogenic carbon dioxide is that portion of carbon dioxide in the atmosphere that is produced directly by human activities such as the burning of fossil fuels rather than by such processes as respiration and decay. Anthropogenic factors are human activities that change the environment. In some cases the chain of causality of human influence on the climate is direct and unambiguous (for e.g. the effects of irrigation on local humidity); while in other instances it is less clear.

44.        Anthropogenic Emissions: Emissions of greenhouse gases, greenhouse gas precursors and aerosols associated with human activities is known as anthropogenic emissions. These include burning of fossil fuels for energy, deforestation, and land use changes that result in net increase in emissions.

45.        Anthropogenic Source: A source of pollution caused or produced by human activities, such as the use of consumer products or industrial processes is known as anthropogenic source.

46.        Anticipatory Adaptation: Adaptation that takes place before an impact of climate change is observed is known as anticipatory adaptation.

47.        Appropriate Technology (AT): Technology that is designed with special consideration to the environmental, ethical, cultural, social, political, and economic aspects of the community it is intended for is known as appropriate technology. With environmental and ethical goals in mind, AT proponents claim their methods require fewer resources, are easier to maintain and have less impacts on the environment compared to techniques from mainstream technology which they contend is wasteful and environmentally polluting.

48.       Assigned Amounts: Under the Kyoto Protocol, the total amount of greenhouse gas emissions that each Annex B country has agreed that its emissions will not exceed in the first commitment period (2008 to 2012) is the assigned amount. This is calculated by multiplying the country’s total greenhouse gas emissions in 1990 by five (for the percentage it agreed to as listed in Annex B of the Kyoto Protocol (e.g. 92% for the European Union and 93% for the USA).

49.       Atmosphere: The gaseous envelop surrounding the Earth is known as atmosphere. The dry atmosphere consists almost entirely of nitrogen (78.1% volume mixing ratio) and oxygen (20.9% volume mixing ratio), together with a number of trace gases, such as argon (0.93% volume mixing ratio), helium, and radioactively active greenhouse gases such as carbon dioxide (0.035% volume mixing ratio) and ozone. In addition, the atmosphere contains water vapor, whose amount is highly variable but typically one percent volume mixing ratio. The atmosphere also contains clouds and aerosols.

50.       Autonomous Adaptation: Adaptation that does not constitute a conscious response to climatic stimuli but is triggered by ecological changes in natural systems and by market or welfare changes in human systems.

51.       Autumn: Autumn (fall in American English) is one of the four temperate seasons. Autumn marks the transition from summer into winter usually in September (Northern Hemisphere) or March (Southern Hemisphere) when the arrival of night becomes noticeably earlier.


52.        Bali Action Plan: Decision that was adopted by 1/CP.13 of the COP-13 is known as Bali action plan. It also includes the Ad Hoc Working Group on Further Commitments for Annex I Parties under the Kyoto Protocol (AWG-KP) negotiations and their 2009 deadline, the launch of the Adaptation Fund, the scope and content of the Article 9 review of the Kyoto Protocol, as well as decisions on technology transfer and on reducing emissions from deforestation. The Conference of Parties decided to launch a comprehensive process to enable the implementation of the Convention through long-term cooperative action, now, up to and beyond 2012.

53.        Belowground Biomass: All living biomass of live roots is known as belowground biomass. Fine roots of less than ~2mm diameter are sometimes excluded because these often cannot be distinguished empirically from soil organic matter or litter.

54.        Bio-Carbon: The carbon sequestered and stored in the world’s trees, plants, soils and oceans is known as bio-carbon. It is called bio-carbon because it is carbon sequestered biologically. Bio-Carbon is being rapidly released into the atmosphere through deforestation and land degradation. Bio-Carbon is both a leading driver of anthropogenic greenhouse gasses and one of the lowest-cost opportunities for abatement.

55.        Bio-Carbon Fund: The Bio-Carbon Fund provides carbon finance for projects that sequester or conserve greenhouse gases in forests, agro- and other ecosystems. Through its focus on bio-carbon, or ‘sinks’, it delivers carbon finance to many developing countries that otherwise have few opportunities to participate in the Clean Development Mechanism (CDM), or to countries with economies in transition through Joint Implementation (JI). The Bio-Carbon Fund tests and demonstrates how Land use, Land-use Change and Forestry (LULUCF) activities can generate high-quality Ecological Resilience (ERs) with environmental and livelihood benefits that can be measured, monitored and certified and stand the test of time.

56.        Bioclimatology: The interdisciplinary field of science that studies the interactions between the biosphere and the Earth’s atmosphere on time scales of the order of seasons or longer is known as bioclimatology.

57.        Biodiversity: The numbers and relative abundances of different genes (genetic diversity), species and ecosystems (communities) in a particular area is known as biodiversity or the total diversity of all organisms and ecosystems at various spatial scales (from genes to entire biomes).

58.       Bioenergy: The renewable energy derived from biological sources/biomass to be used for heat, electricity or vehicle fuel is known as bioenergy. Bio-fuel derived from plant materials is among the most rapidly growing renewable energy technologies.

59.       Bio-engineering: The application of concepts and methods of physics, chemistry and mathematics to solve problems in life sciences using engineering’s own analytical and synthetic methodologies is known as bio-engineering.

60.       Bio-fuel: A fuel produced from dry organic matter or combustible oil produced by plants is known as bio-fuel. Examples of bio-fuel include alcohol (from fermented sugar), black liquor from the paper manufacturing process, wood and soybean oil.

61.       Biogas: A gas produced by the biological breakdown of organic matter in the absence of oxygen is known as biogas. Biogas originates from biogenic material and is a type of bio-fuel. This type of biogas comprises primarily methane and carbon dioxide.

62.       Biogeochemical Cycle: Movements through the Earth system of key chemical constituents essential to life, such as carbon, nitrogen, oxygen and phosphorus is known as biogeochemical cycle.

63.       Biological Community: Community of plants, animals and other organisms of particular area is known as biological community.

64.       Biological Hazard: Process or phenomenon of organic origin or conveyed by biological vectors including exposure to pathogenic micro-organisms, toxins and bioactive substances that may cause loss of life, injury, illness or other health impacts, property damage, loss of livelihoods and services, social and economic disruption or environmental damage is known as biological hazard. Examples of biological hazards include outbreaks of epidemic diseases, plant or animal contagion, insect or other animal plagues and infestations.

65.        Biomass: The total mass of living organisms in a given area or volume; recently dead plant material is often included as dead biomass.

66.         Biomass Energy: A renewable energy source derived from biological material from living or recently living organisms such as wood, waste, (hydrogen) gas, and alcohol fuels is known as biomass energy. Biomass is commonly plant matter grown to generate electricity or produce heat. In this sense, living biomass can also be included as plants that can also generate electricity while still alive. The most conventional way in which biomass is used, however, still relies on direct incineration.

67.         Biome: A major and distinct regional element of the biosphere, typically consisting of several ecosystems (e.g. forests, rivers, ponds, and swamps within a region of similar climate) or a regional ecosystem with a distinct assemblage of vegetation, animals, microbes, and physical environment often reflecting a certain climate and soil is known as biome. Biomes are characterized by typical communities of plants and animals.

68.        Biosphere: The part of the Earth system comprising all ecosystems and living organisms in the atmosphere, on land (terrestrial biosphere) or in the oceans (marine biosphere), including derived dead organic matter such as litter, soil organic matter and oceanic detritus is known as biosphere.

69.        Biostabilizer: A machine that converts solid waste into compost by grinding and aeration is known as biostabilizer.

70.        Biota: All living organisms of an area; the flora and fauna considered as a unit is known as biota.

71.         Black Carbon (BC): A climate forcing agent formed through the incomplete combustion of fossil fuels, bio-fuel and biomass and is emitted in both anthropogenic and naturally occurring soot is known as black carbon. It has recently emerged as a major contributor to global climate change, now attributed as the second largest contributor to global warming. BC particles strongly absorb sunlight and give soot its black color. It consists of pure carbon in several linked forms. Primary sources include emissions from diesel engines, cook stoves, wood burning and forest fires. Black carbon warms the Earth by absorbing heat in the atmosphere and by reducing albedo, the ability to reflect sunlight, when deposited on snow and ice. BC remains in the atmosphere for only a few weeks.

72.       Blue Planet: A BBC nature documentary series narrated by David Attenborough, first transmitted in the UK from 12 September 2001 is known as blue planet. 


73.        Canopy Area: Leaves which acts as an umbrella over the ground surface is known as canopy area.

74.        Capacity: The combination of all the strengths, attributes and resources available within a community, society or organization that can be used to achieve agreed goals is known as capacity.

75.        Capacity Building: In the context of Climate Change, capacity building is a process of developing the technical skills and institutional capability in developing countries and economies in transition to enable them to participate in all aspects of adaptation to, mitigation of, and research on Climate Change and the implementation of the Kyoto Mechanisms, etc.

76.        Capacity Development: The process by which people, organizations and society systematically stimulate and develop their capacities over time to achieve social and economic goals, including through improvement of knowledge, skills, systems, and institutions is known as capacity development or capacity development is a concept that extends the term of capacity building to encompass all aspects of creating and sustaining capacity growth over time. It does not involve only learning and various types of training but also continuous efforts to develop institutions, political awareness, financial resources, technology systems and the wider social and cultural enabling environment.

77.        Carbon Accounting System: The accounting process undertaken to measure the amount of carbon dioxide equivalents that will not be released into the atmosphere as a result of Flexible Mechanisms projects under the Kyoto Protocol is known as carbon accounting system. These projects thus include (but are not limited to) renewable energy projects and biomass, forage and tree plantations.

78.        Carbon (Dioxide) Capture and Storage (CCS): A process consisting of separation of carbon dioxide from industrial and energy-related sources, transport to a storage location and long-term isolation from the atmosphere is known as carbon capture and storage.

79.       Carbon Cycle: The flow of carbon (in various forms, e.g. as carbon dioxide) through the atmosphere, ocean, terrestrial biosphere and lithosphere is known as carbon cycle.

80.       Carbon Dioxide (CO2): CO2 is a naturally occurring gas and a by-product of burning fossil fuels or biomass, of land-use changes and of industrial processes. It is the principal anthropogenic greenhouse gas that affects Earth’s radiative balance. It is the reference gas against which other greenhouse gases are measured and therefore it has a Global Warming Potential of one.

81.       Carbon Finance: Carbon finance is a new branch of environmental finance. Carbon finance explores the financial implications of living in a carbon-constrained world, a world in which emissions of carbon dioxide and other greenhouse gases (GHGs) carry a price. The general term is applied to investments in GHG emission reduction projects and the creation (origination) of financial instruments that are tradable on the carbon market.

82.       Carbon Footprint: The total set of greenhouse gas emissions caused by an organization, event or product is known as carbon footprint.

83.       Carbon Intensity: The amount of emission of carbon dioxide per unit of Gross Domestic Product is known as carbon intensity.

84.       Carbon Leakage: The part of emissions reductions in Annex B countries that may be offset by an increase of the emissions in the non-constrained countries above their baseline levels is known as carbon leakage. This can occur through (1) relocation of energy-intensive production in non-constrained regions; (2) increased consumption of fossil fuels in these regions through decline in the international price of oil and gas triggered by lower demand for these energies; and (3) changes in incomes (thus in energy demand) because of better terms of trade.

85.       Carbon Market: A carbon market is a market (institution of exchange) where carbon shares are traded (bought and sold). Carbon shares are also known as pollution credits. Carbon market functions with a limit on allowable level of emissions. Polluters who are under this set cap can sell their excess emission rights to those concerns who have crossed this cap.

86.        Carbon Monoxide (CO): Carbon monoxide also called carbonous oxide, is a colorless, odorless and tasteless gas which is slightly lighter than air. It is highly toxic to humans and animals in higher quantities although it is also produced in normal animal metabolism in low quantities and is thought to have some normal biological functions.

87.        Carbon Offset: A mechanism for individuals and businesses to neutralize rather than actually reduce their greenhouse gas emissions by purchasing the right to claim someone else’s reductions as their own is known as carbon offset.

88.        Carbon Pools: A reservoir of carbon that has the potential to accumulate (or lose) carbon over time is known as carbon pools. In Agriculture Forestry and Other Land Use (AFOLU), this encompasses aboveground biomass, belowground biomass, litter, dead wood and soil organic carbon.

89.        Carbon Rights: A carbon right is a new and unique form of land interest that confers upon the holder a right to the intangible benefit of carbon sequestration on a piece of forested land.

90.        Carbon Sequestration: The process of removing carbon from the atmosphere and depositing it in a reservoir is known as carbon sequestration.

91.        Carbon Sink: A carbon pool that is increasing in size is known as carbon sink. A carbon pool can be a sink for atmospheric carbon if during a given time interval more carbon is flowing into it than out of it.

92.        Carbon Stock: The quantity of carbon held within a pool is known as carbon stock. It is measured in metric tons of CO2.

93.        Carbon Substitution: The substitution of carbon intensive products with harvested [sustainable] wood products or substitution of fossil fuel with bio-fuels is known as carbon substitution.

94.        Carbonaceous Aerosol: Aerosol consisting predominantly of organic substances and various forms of black carbon is known as carbonaceous aerosol.

95.       Carrying Capacity: The carrying capacity of a biological species in an environment is the population size of the species that the environment can sustain indefinitely, given the food, habitat, water and other necessities available in the environment.

96.       Catastrophic Event: A climate related event having sudden onset and widely distributed and large magnitude impacts on human or natural systems such as historically rapid sea level rise or sudden shifts (over a decade or less) in atmospheric or oceanic circulation patterns is known as catastrophic event. Such events have occurred in the past due to natural causes.

97.       Catchment: An area that collects and drains rainwater is known as catchment.

98.       Certified Emission Reductions (CERs): Certified Emission Reductions (CERs) are a type of emissions unit (or carbon credits) issued by the Clean Development Mechanism (CDM) Executive Board for emission reductions achieved by CDM projects and verified by a Department of Energy (DoE) under the rules of the Kyoto Protocol. CERs are either long-term (lCER) or temporary (tCER), depending on the likely duration of their benefit. Both types of CER can be purchased from the primary market (purchased from original party that makes the reduction) or secondary market (resold from a marketplace).

99.       Character: The peculiar quality or the sum of qualities by which a person or a thing is distinguished from others; the stamp impressed by nature, education or habit; that which a person or thing really is; nature; and disposition is known as character.

100.  Chlorofluorocarbons: Greenhouse gases covered under the 1987 Montreal Protocol and used for refrigeration, air conditioning, packaging, insulation, solvents, or aerosol propellants is known as chlorofluorocarbons. Since they are not destroyed in the lower atmosphere, CFCs drift into the upper atmosphere where given suitable conditions they break down ozone. These gases are being replaced by other compounds, including hydro chlorofluorocarbons and hydrofluorocarbons, which are greenhouse gases covered under the Kyoto Protocol.

101.  City Climate: Climate characteristic of the interior of a landmass of continental size marked by large annual, daily and day-to-day temperature ranges, low relative humidity and a moderate or small irregular rainfall. Annual extremes of temperature that occur soon after the solstices is known as city climate.

102.  Clean Development Mechanism: Defined in Article 12 of the Kyoto Protocol, the Clean Development Mechanism is intended to meet two objectives: (1) to assist Parties not included in Annex I in achieving sustainable development and in contributing to the ultimate objective of the convention; and (2) to assist Parties included in Annex I in achieving compliance with their quantified emission limitation and reduction commitments. Certified Emission Reduction Units from Clean Development Mechanism projects undertaken in Non-Annex I countries that limit or reduce greenhouse gas emissions, when certified by operational entities designated by Conference of the Parties/Meeting of the Parties can be accrued to the investor (government or industry) from Parties in Annex B. A share of the proceeds from the certified project. A mechanism under the Kyoto protocol through which developed countries may finance greenhouse gas emission reduction or removal projects in developing countries and receive credits for doing so which they may apply towards meeting mandatory limits on their own emissions is known as clean development mechanism.

103. Climate: Climate is in a narrow sense is usually defined as the “average weather” or more rigorously as the statistical description in terms of the mean and variability of relevant quantities over a period of time ranging from months to thousands or millions of years. The classical period is 30 years, as defined by the World Meteorological Organization (WMO). These relevant quantities are most often surface variables such as temperature, precipitation and wind. Climate in a wider sense is the state including a statistical description of the climate system.

104.    Climate Change: It refers to a statistically significant variation in either the mean state of the climate or in its variability, persisting for an extended period (typically decades or longer). Climate Change may be due to natural processes or external forcing or to persistent anthropogenic changes in the composition of the atmosphere or in land-use. This means a change of climate which is attributed directly or indirectly to human activity that alters the composition of the global  
atmosphere and which is in addition to natural climate variability observed over comparable time periods. The UN Framework Convention on Climate Change (UNFCCC) uses the term “Climate Change” for human-caused change and “climate variability” for other changes.

105.   Climate Change Adaptation: Adjustment in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderates harm or exploits beneficial opportunities is known as Climate Change Adaptation.

106. Climate Change Adaptation Strategy: A general plan of action of any country for addressing the impacts of Climate Change including climate variability and extremes is known as Climate Change Adaptation Strategy of a country. It may include a mix of policies and measures selected to meet the overarching objective of reducing the country’s vulnerability. Depending on the circumstances, the strategy can be comprehensive at a national level, addressing adaptation across sectors, regions and vulnerable populations or it can be more limited, focusing on just one or two sectors or regions.

107.   Climate Change Impacts: The effect of Climate Change on natural and human systems is known as Climate Change Impacts. Depending on the consideration of adaptation, one can distinguish between potential impacts and residual impacts

108.   Climate Change Impact Assessment: Impacts that affect ecosystems or human welfare but that are not directly linked to market transactions, for example, an increased risk of premature death. The analysis of positive and negative consequences of Climate Changes on natural systems and human societies, both with and without adaptation to such changes is known as Climate Change Impact Assessment.

109.   Climate Change Mitigation: Strategies and policies that reduce the concentration of greenhouse gases in the atmosphere either by reducing their emissions or by increasing their capture is known as Climate Change Mitigation.

110.  Climate Change Scenario: A coherent and internally-consistent description of the change in climate by a certain time in the future using a specific modeling technique and under specific assumptions about the growth of greenhouse gas and other emissions and about other factors that may influence climate in the future is known as Climate Change Scenario. A “Climate Change Scenario” is the difference between a climate scenario and the current climate. A plausible and often simplified representation of the future climate based on an internally consistent set of climatological relationships, that has been constructed for explicit use in investigating the potential consequences of anthropogenic climate change, often serving as input to impact models. Climate projections often serve as the raw material for constructing climate scenarios but climate scenarios usually require additional information such as about the observed current climate.

111.    Climate Change Vulnerability Assessment: A range of tools that exist to help communities understand the hazards that affect them and take appropriate measures to minimize their potential impact is known as Climate Change Vulnerability Assessment.

112.    Climate Hazard: The harmful effect of Climate Change on livelihoods and ecosystems is known as climate hazard. They can be caused by gradual climate variability or extreme weather events. Some hazards are continuous phenomena that start slowly such as the increasing unpredictability of temperatures and rainfall. Others are sudden but relatively discrete events such as heat waves or floods.

113.    Climate Model: A numerical representation of the climate system based on the physical, chemical and biological properties of its components, their interactions and feedback processes and accounting for all or some of its known properties is known as climate model. The climate system can be represented by models of varying complexity - that is, for any one component or combination of components a “hierarchy” of models can be identified differing in such aspects as the number of spatial dimensions, the extent to which physical, chemical or biological processes are explicitly represented or the level at which empirical parameterizations are involved. Coupled Atmosphere/Ocean/Sea-ice General Circulation Models (AOGCMs) provide a comprehensive representation of the climate system. There is an evolution towards more complex models with active chemistry and biology. Climate models are applied as search tool to study and simulate the climate but also for operational purposes, including monthly, seasonal and inter-annual climate predictions.

114.   Climate Prediction: A climate prediction or climate forecast is the result of an attempt to produce a most likely description or estimate of the actual evolution of the climate in the future (for e.g. at seasonal, inter-annual or long-term time-scales).

115.   Climate Profile: An analysis (often in graphical form) represents the extent to which something exhibits various characteristics, such as biographical sketch is known as climate profile.

116.   Climate Projection: A projection of the response of the climate system to emission or concentration scenarios of greenhouse gases and
aerosols, or radiative forcing scenarios, often based upon simulations by climate models is known as climate projection. Climate projections are distinguished from climate predictions; it depend upon the emission/ concentration/radiative forcing scenario used which are based on assumptions concerning, for example, future socio-economic and technological developments that may or may not be realized and are therefore subject to substantial uncertainty.

117.   Climate Risk: The likelihood that the harmful effects will happen is known as climate risk or it is a measure of the probability of harm to life, property and the environment that would occur if a hazard took place. Risk is estimated by combining the probability of events and the consequences (usually seen as losses) that would arise if the events took place. It denotes the result of the interaction of physically defined hazards with the properties of the exposed systems i.e. their sensitivity or social vulnerability. Risk can also be considered as the combination of an event, its likelihood and its consequences i.e. risk equals the probability of climate hazard multiplied by a given system’s vulnerability.

118.   Climate Sensitivity: A measure of how responsive the temperature of the climate system is to a change in the radioactive forcing is known as climate sensitivity. It is usually expressed as the temperature change associated with a doubling of the concentration of carbon dioxide in Earth’s atmosphere.

119.   Climate Shift: An abrupt shift or jump in mean values signaling a change in climate regime is known as climate shift. Most widely used in conjunction with the 1976/1977 climate shift that seems to correspond to a change in El Niño-Southern Oscillation behavior.

120.    Climate System: The climate system is the highly complex system consisting of five major components: the atmosphere, the hydrosphere, the cryosphere, the land surface and the biosphere and the interactions between them. The climate system evolves in time under the influence of its own internal dynamics and because of external forcing such as volcanic eruptions, solar variations and anthropogenic forcing such as the changing composition of the atmosphere and land use change.

121.    Climate Trend: The general direction in which climate factors such as average annual temperature or rainfall tend to move over time is known as climate trend.

122.    Climate Variability: Variations in the mean state and other statistics (such as standard deviations, the occurrence of extremes, etc.) of the climate on all spatial and temporal scales beyond that of individual weather events is known as climate variability.

123.    Climate Variation: Change in the statistical properties of the climate system when considered over periods of decades or longer, regardless of cause is known as climate variation.

124.    Climatology (Climate Science): The study of climate, scientifically defined as weather conditions averaged over a period of time is known as climatology.

125.    Cloud Albedo Effect or Twomey Effect: A radiative forcing induced by an increase in anthropogenic aerosols which cause an initial increase in droplet concentration and a decrease in droplet size for fixed liquid water content leading to an increase of cloud albedo is known as cloud albedo effect or “Twomey effect.”

126.    Cloud Lifetime Effect or Albrecht Effect: A radiative forcing induced by an increase in anthropogenic aerosols which cause a decrease in droplet size, reducing the precipitation efficiency, thereby modifying the liquid water content, cloud thickness and cloud lifetime is known as “cloud lifetime effect” or “Albrecht affect.”

127.    Coalition of Rainforest Nations: The Coalition for Rainforest Nations (CfRN) is an organization established by forested tropical countries to collaboratively reconcile forest stewardship with economic

development. The Rainforest Coalition aims to bring together both developing and industrialized nations for the purpose of creating community-driven, environmentally sustainable economic growth.

128.   Cold Waves: Weather phenomenon that is distinguished by a cooling of the air is known as cold waves.

129.   Common Property Resources: It means real property owned by “tenants in common,” who each have an “undivided interest” in the entire property. Common Property also means lands owned by the government for public (common) use like parks and national forests.

130.   Communicable Disease: A communicable disease is carried by

Microorganisms and transmitted through people, animals, surfaces, foods or air. Communicable diseases rely on fluid exchange, contaminated substances or close contact to travel from an infected carrier to a healthy individual.

131.   Community: In the context of vulnerability assessment, a community can be defined as people living in one geographical area who are exposed to common hazards due to their location. They may have common experience in responding to hazards and disasters. However, they may have different perceptions of and exposure to risk. Groups within the locality will have a stake in risk reduction measures (either in favour or against).

132.   Community Based Adaptation: Community based adaptation is one where the explicit objective is to reduce vulnerability to climate change.

133.   Community Based Adaptation Planning: Community Based Adaptation (CBA) can be viewed simply as an additional layer of community based development activities, practices, research and policies.

134.   Community Based Vulnerability Assessment: Community based vulnerability assessments are policy and action oriented assessment done in the community with the help of a range of community based participatory tools with overall objective to mitigate the negative impacts of disaster. It is done in full participation of the community.

135.    Community Development (CD): Community Development is a broad term applied to the practices and academic disciplines of civic leaders, activists, involved citizens and professionals to improve various aspects of local communities. Community Development seeks to empower individuals and groups of people by providing these groups with the skills they need to affect change in their own communities. These skills are often concentrated around building political power through the formation of large social groups working for a common agenda.

136.    Community and/or Environmental Impacts: The effect that project activities may have on the socio-economic or environmental landscape is known as community or environmental impacts. The General Approval Process of the Voluntary Carbon Standards (VCS) requires that project activities which do not have any negative impacts and do not provide perverse incentives for the clearing of land to generate carbon credits.

137.   Conference of Parties: The supreme body of the United Nations Framework Convention on Climate Change (UNFCCC), comprising countries that have ratified or acceded to the UNFCCC is known as conference of parties. The first session of the Conference of the Parties (COP- 1) was held in Berlin, Germany in 1995, followed by COP-2 in Geneva, Switzerland 1996, COP-3 in Kyoto, Japan 1997, COP-4 in Buenos Aires, Argentina 1998, COP-5 in Bonn, Germany 1999, COP-6 Part 1 in The Hague, Netherland 2000, and COP-6 Part 2 in Bonn, Germany 2001, COP-7 in Marrakech, Morocco 2001, COP-8 in New Delhi, India 2002, COP-9 in Milan, Italy 2003, COP-10 in Buenos Aires, Argentina 2004, COP-11 in Montreal, Canada 2005, COP-12 in Nairobi 2006, COP-13 in Bali, Indonesia 2007, COP-14 in Poznañ, Poland 2008, COP-15 in Copenhagen, Denmark 2009, COP-16 in Cancún, Mexico 2010 and COP-17 to be held in Durban, South Africa 2011.

138.    Conservation Area: A tract of land that has been awarded protected status in order to ensure that natural features, cultural heritage or biota are safeguarded is known as conservation area. A conservation area may be a nature reserve, a park, a land reclamation project or other area.

139.   Conservation of Natural Resources: The wise use of the earth’s resources by humanity is known as conservation of natural resources. The term conservation came into use in the late 19th century. It refers to the management, mainly for economic reasons, of such valuable natural resources as timber, fish, topsoil, pastureland and minerals and also to the preservation of forests, wildlife, parkland, wilderness and watershed areas. Conservation of natural resources is now usually embraced in the broader conception of conserving the earth itself by protecting its capacity for self-renewal.

140.   Contingency Planning: A management process that analyses specific potential events or emerging situations that might threaten society or the environment and establishes arrangements in advance to enable timely, effective and appropriate responses to such events and situations is known as contingency planning. Contingency planning results in organized and coordinated courses of action with clearly identified institutional roles and resources, information processes and operational arrangements for specific actors at times of need. Based      on scenarios of possible emergency conditions or disaster events, it allows key actors to envision, anticipate and solve problems that can arise during crises. Contingency planning is an important part of overall preparedness. Contingency plans need to be regularly updated and exercised.
141.   Convention: A large gathering of people who share a common interest is known as convention.

142.   Convention of Biological Diversity (or biodiversity): Known informally as the Biodiversity Convention, is an international legally binding treaty. It is one of the three environmental conventions to arise from the UN Earth Summit in Rio de Janeiro in 1992. Its objective is to develop national strategies for the conservation and sustainable use of biological diversity. It is often seen as the key document regarding sustainable development. The agreement covers all ecosystems, species and genetic resources. It links traditional conservation efforts to the economic goal of using biological resources sustainably. It sets principles for the fair and equitable sharing of the benefits arising from the use of genetic resources, notably those destined for commercial use.

143.   Copenhagen Accord: The Copenhagen Accord is a document that delegates at the session of the Conference of Parties (COP 15) to the United Nations Framework Convention on Climate Change UNFCC) agreed to “take note of” at the final plenary on 18 December 2009. The Accord, drafted by, on the one hand, the United States and on the other, in a united position as the BASIC countries (China, India, South Africa and Brazil), is not legally binding and does not commit countries to agree to a binding successor to the Kyoto Protocol whose present round ends in 2012.

144.  Coping: The use of existing resources to achieve desired goals during and immediately after a climate-induced hazard is knows as coping.

145.    Coping Capacity: The ability of people, organizations and systems, using available skills and resources to face and manage adverse conditions, emergencies or disasters is known as coping capacity. The capacity to cope requires continuing awareness, resources and good management, both in normal times as well as during crises or adverse conditions. Coping capacities contribute to the reduction of disaster risks.

146.    Coping Mechanism: Those means by which societies unassisted from the outside meet relief and recovery needs and adjust to future disaster risk is known as coping mechanism.

147.    Coping Range: The variation in climatic stimuli that a system can absorb without producing significant impacts is known as coping range or it is the range of climate where the outcomes are beneficial or negative but tolerable. Beyond the coping range, the damages or loss are no longer tolerable and a society (or a system) is said to be vulnerable.

148.    Coping Strategies: Households develop short-term responses to specific shocks known as coping strategies. These are ‘next best’ efforts to make do in a difficult situation with the hope that the household can return to normal activities and their normal livelihoods strategy.

149.    Corrective Disaster Management: Management activities that address and seek to correct or reduce disaster risks which are already present is known as corrective disaster management.

150.    Cropland: Arable and tillage land, and agro-forestry systems where vegetation falls below the threshold used for the forest land category is known as cropland.

151. Cultural Services: The benefits that ecosystem can provide such as recreational, spiritual, religious and other non-material benefit is known as “cultural services”.

152.   Customary Rights: Rights which are acquired by custom for local usages, belonging to all the inhabitants of a particular place or district are known as customary rights.


153.    Deadwood: Includes all non-living woody biomass not contained in the litter, either standing, lying on the ground or in the soil is known as deadwood. Deadwood includes wood lying on the surface, dead roots, and stumps larger than or equal to 10 cm in diameter or any other diameter used by the host country.

154.    Declaration: A non-binding political statement made by ministers attending a major meeting (e.g. the Delhi Ministerial Declaration on climate change and sustainable development at COP-8) is known as declaration.

155.    Deforestation: Conversion of forest to non-forest is known as deforestation.

156.    Degradation: Changes which negatively affect the structure or function of the site and thereby lower the capacity to supply products and/or services.

157.    Demography: Demography is the scientific study of characteristics and dynamics pertaining to the human population. The characteristics encompassed by this study include size, growth rate, density, vital statistics and distribution of a specified population.

158.    Desertification: Land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors including climatic variations and human activities is known as desertification. The progressive destruction or degradation of vegetative cover, especially in arid or semi-arid regions bordering existing deserts. Overgrazing of rangelands, large-scale cutting of forests and woodlands, drought, burning of extensive areas and climate changes all serve to destroy or degrade the vegetation cover.

159.   Designated National Authority: A designated national authority (DNA) is the body granted responsibility by a Party to authorize and approve participation in Clean Development Mechanism (CDM) projects. Establishment of a DNA is one of the requirements for participation by a Party in the CDM. The main task of the DNA is to assess potential CDM projects to determine whether they will assist the host country in achieving its sustainable development goals and to provide a letter of approval to project participants in CDM projects. An office, ministry or other official entity appointed by a party to the Kyoto protocol to review and give national approval to projects proposed under the Clean Development Mechanism.

160.   Developing Countries: Developing country is a term generally used to describe a nation with a low level of material well-being. These are countries which in most cases have low standard of living.

161.   Development: A step or stage in growth, advancement etc. is known as development. Development does not just involve the biological and physical aspects of growth but also the cognitive and social aspects associated with development throughout life. The United Nations Development Programme uses a more detailed definition, according to them development is ‘to lead long and healthy lives, to be knowledgeable, to have access to the resources needed for a decent standard of living and to be able to participate in the life of the community.

162. Disaster: A serious disruption of the functioning of a community or a society causing widespread human, material, economic or environmental losses which exceed the ability of the affected community or society to cope using its own resources is known as disaster. Disasters are often described as a result of the combination of: the exposure to a hazard; the conditions of vulnerability that are present; and insufficient capacity or measures to reduce or cope with the potential negative consequences. Disaster impacts may include loss of life, injury, disease and other negative effects on human physical, mental and social well-being together with damage to property, destruction of assets, loss of services, social and economic disruption and environmental degradation.

163. Disaster Risk: The potential disaster losses, in lives, health status, livelihoods, assets and services which could occur to a particular community or a society over some specified future time period is known as disaster risk. The definition of disaster risk reflects the concept of disasters as the outcome of continuously present conditions of risk. Disaster risk comprises different types of potential losses which are often difficult to quantify. Nevertheless, with knowledge of the prevailing hazards and the patterns of population and socio -economic development, disaster risks can be assessed and mapped in broad terms at least.

164.    Disaster Risk Management: The systematic process of using administrative directives, organizations, and operational skills and capacities to implement strategies, policies and improved coping capacities in order to lessen the adverse impacts of hazards and the possibility of disaster is knows as disaster risk management. This term is an extension of the more general term “risk management” to address the specific issue of disaster risks. Disaster risk management aims to avoid, lessen or transfer the adverse effects of hazards through activities and measures for prevention, mitigation and preparedness.

166.    Disaster Risk Reduction: The concept and practice of reducing disaster risks through systematic efforts to analyze and manage the causal factors of disasters including through reduced exposure to hazards, lessened vulnerability of people and property, wise management of land and the environment and improved preparedness for adverse events is known as disaster risk reduction.

166.    Disaster Risk Reduction Plans: A document prepared by an authority, sector, organization or enterprise that sets out goals and specific objectives for reducing disaster risks together with related actions to accomplish these objectives. Disaster risk reduction plans should be guided by the Hyogo Framework and considered and coordinated within relevant development plans, resource allocations and programme activities. National level plans needs to be specific to each level of administrative responsibility and adapted to the different social and geographical circumstances that are present. The time frame and responsibilities for implementation and the sources of funding should be specified in the plan. Linkages to Climate Change adaptation plans should be made where possible.

167.    Disturbance Regime: Frequency, intensity, and types of disturbances such as fires, insect or pest outbreaks, floods and drought is known as disturbance regime.

168.   Diurnal Temperature Range: The difference between the maximum and minimum temperature during a day is known as diurnal temperature range.

169.   Dominant Species: The species that predominates in an ecological community, particularly when they are most numerous or form the bulk of the biomass is known as dominant species.

170.   Downscaling: Downscaling is a method that derives local-to-regional-scale (10 to 100 km) information from larger-scale models or data analyses. Two main methods are distinguished: dynamical downscaling and empirical/statistical downscaling. In all cases, the quality of the downscaled product depends on the quality of the driving model.

171.   Drivers of Deforestation and Forest Degradation: According to REDD the drivers of deforestation and forest degradation are divided into two as: National Drivers: military personnel, government officials, economic land concessions and Sub-National Drivers: forest fires, migrant encroachment, land speculation, agricultural expansion, illegal logging and firewood consumption.

172.   Drought: The phenomenon that exists when precipitation has been significantly below normal recorded levels causing serious hydrological imbalances that adversely affect land resource production systems is known as drought. A drought is an extended period of months or years when a region notes a deficiency in its water supply. Generally, this occurs when a region receives consistently below average precipitation. It can have a substantial impact on the ecosystem and agriculture of the affected region. Although droughts can persist for several years, even a short intense drought can cause significant damage and harm the local economy.

173.   Dynamical Downscaling: The method of downscaling which uses the output of regional climate models, global models with variable spatial resolution or high-resolution global models is known as dynamical downscaling.


174.    Early Warning System: The set of capacities needed to generate and disseminate timely and meaningful warning information to enable individuals, communities, and organizations threatened by a hazard to prepare and to act appropriately in sufficient time to reduce the possibility of harm or loss is known as early warning system.

175.    Earth Summit: Conference held in Rio de Janeiro (June 3-14, 1992) to reconcile worldwide economic development with environmental protection is known as earth summit. It was the largest gathering of world leaders in history with 117 heads of state and representatives of 178 countries.

176.    Eco Tax: An eco tax is designated for the purpose of influencing human behavior (specifically economic behavior) to follow an ecologically benign path.

177.    Ecological Community: A group of actually or potentially interacting species living in the same place is known as ecological community. A community is bound together by the network of influences that species have on one another.

178.    Ecological Footprint: A measure of human demand on the ecosystem is known as ecological footprint. It compares human consumption of natural resources with the planet’s ecological capacity to regenerate them.

179.    Ecological Resilience: The ability of a system to absorb impacts before a threshold is reached where the system changes into a different state is known as ecological resilience.

180.    Ecosystem: Dynamic complexes of plant, animal and microorganism communities and the non-living environment interacting as functional units or a community of all plants and animals and their physical environment functioning together as an interdependent unit is known as ecosystem.

181.   Ecosystem Approach: A strategy for the integrated management of land, water, and living resources that promotes conservation and sustainable use is known as ecosystem approach. An ecosystem approach is based on the application of appropriate scientific methods  focused on levels of biological organization, which encompass the essential structure, processes, functions and interactions among organisms and their environment. It recognizes that humans with their cultural diversity are an integral component of many ecosystems.

182.   Ecosystem Based Adaptation: It includes a range of local and landscape scale strategies for managing ecosystems to increase resilience and maintain essential ecosystem services and reduce the vulnerability of people, their livelihoods and nature in the face of climate change. It also identifies and implements a range of strategies for the management, conservation and restoration of ecosystems to ensure that they continue to provide the services that enable people to adapt to the impacts of Climate Change. It involves collective action among governments, communities, conservation and development organizations, and other stakeholders to plan and empower local action that will increase environmental and community resilience to the changing climate. Ecosystem based adaptation and community based adaptation are therefore mutually supportive.

183. Ecosystem Services: Ecological processes or a function that have value to individuals or society or the benefits people obtain from ecosystems is known as ecosystem services. The concept ‘ecosystem goods and services’ is synonymous with ecosystem services. Integrated management of land, water and living resources that promotes conservation and sustainable use provide the basis for maintaining ecosystem services, including those that contribute to reduced disaster risks.

184.   Effect: The first event A (the cause) is a reason that brings about the second event B (the effect) is known as effect.

185.   Effective Climate Sensitivity: It is a measure of the strengths of the feedbacks at a particular time and may vary with forcing history and climate state. It is evaluated from model output for evolving non-equilibrium conditions.

186.   Embodied Energy: The energy used to produce a material substance (such as processed metals or building materials) taking into account energy used at the manufacturing facility (zero order) and energy used in producing the materials that are used in the manufacturing facility (first order) and so on is known as embodied energy.

187.    Emergency Management: The organization and management of resources and responsibilities for addressing all aspects of emergencies, in particular preparedness, response and rehabilitation is known as emergency management.

188.    Emergency Services: The set of specialized agencies that have specific responsibilities and objectives in serving and protecting people and property in emergency situations is known as emergency services.

189.    Emissions: In the climate change context, emissions refer to the release of greenhouse gases and/or their precursors and aerosols into the atmosphere over a specified area and period of time.

190.    Emission Factor: The relationship between the amount of pollution produced and the amount of raw material processed is known as emission factor. For example, an emission factor for a blast frame making iron would be the number of pounds of particulates per ton of raw materials.

191.    Emission Inventory: A listing by source of the amount of air pollutant discharge into the atmosphere of a community is known as emission inventory. It is used to establish emission standards.

192.    Emission Standard: A level of emission that by law or by voluntary agreement may not be exceeded is known as emission standard. Many standards use emission factors in their prescription and therefore do not impose absolute limits on the emissions.

193.    Emissions Permit: The non-transferable or tradable allocation of entitlements by an administrative authority (intergovernmental organization, central or local government agency) to a regional (country, sub-national) or a sectoral (an individual firm) entity to emit a specified amount of a substance is known as emissions permit.

194.    Emissions Quota: The portion or share of total allowable emissions assigned to a country or group of countries within a framework of maximum total emissions and mandatory allocations of resources is known as emissions quota.

195.   Emissions Reduction Unit: Equal to one tonne (metric ton) of carbon dioxide emissions reduced or sequestered arising from a Joint Implementation (defined in Article 6 of the Kyoto Protocol) project calculated by using Global Warming Potential is known as emissions reduction unit.

196.   Emissions Scenario: A plausible representation of the future development of emissions of substances that are potentially radiatively active (e.g. greenhouse gases and aerosols), based on a coherent and internally consistent set of assumptions about driving forces (such as demographic and socio-economic development, technological change) and their key relationships. Concentration scenarios derived from emissions scenarios are used as input into a climate model to compute climate projections. In IPCC (1992), a set of emissions scenarios were used as a basis for the climate projections in IPCC (1996). These emissions scenarios are referred to as the IS92 scenarios.

197.   Emissions Tax: Levy imposed by a government on each unit of CO2 equivalent emissions by a source subject to the tax is known as emissions tax. Since virtually all of the carbon in fossil fuels is ultimately emitted as carbon dioxide, a levy on the carbon content of fossil fuels a carbon tax is equivalent to an emissions tax for emissions caused by fossil-fuel combustion.

198.   Emissions Trading: One of the three Kyoto mechanisms, by which an Annex I party may transfer Kyoto Protocol units to or acquire units from another Annex I party is known as emissions trading. A market-based approach to achieving environmental objectives that allows, those reducing greenhouse gas emissions below what is required, to use or trade the excess reductions to offset emissions at another source inside or outside the country. In general, trading can occur at the intra-company, domestic, and international levels. An emission trading under Article 17 of the Kyoto Protocol is a tradable quota system based on the assigned amounts calculated from the emission reduction and limitation commitments listed in Annex B of the Protocol.

199.   Empirical /Statistical Downscaling: The methods of downscaling which develop statistical relationships that link the large-scale atmospheric variables with local/regional climate variables is known as empirical/statistical downscaling.

200.    Endangered: Species whose population is so small that it is in danger of becoming extinct is known as endangered.

201. Endemic: It is restricted or peculiar to a locality or region. With regard to human health, endemic can refer to a disease or agent present or usually prevalent in a population or geographical area at all times.

202.    Energy: The amount of work or heat delivered is known as energy. Energy is classified in a variety of types and becomes useful to human ends when it flows from one place to another or is converted from one type into another.

203.    Energy Efficiency: Ratio of energy output of a conversion process or of a system to its energy input is known as energy efficiency.

204.    Energy Service: The application of useful energy to tasks desired by the consumer such as transportation, a warm room or light is known as energy services.

205.    Energy Tax: An energy tax is a levy on the energy content of fuels reduces demand for energy and so reduces carbon dioxide emissions from fossil fuel use.

206. Energy Transformation: The change from one form of energy, such as the energy embodied in fossil fuels to electricity is known as energy transformation.

207.    Engineering Resilience: The capacity of a system to return to its pre-disturbance state is known as engineering resilience.

208.   Ensemble: A group of parallel model simulations used for climate projections is known as ensemble. Variation of the results across the ensemble members gives an estimate of uncertainty. Ensembles made with the same model but different initial conditions only characterize the uncertainty associated with internal climate variability.

209.    Environment: It encompasses all living and non-living things occurring naturally on Earth or some region thereof.

210.   Environment Impact Auditing: Environmental audit is the assessment of the compliance of environmental administration and performance of an operating business with environmental protection requirements, with sound environmental practice in general, and with the principles of sustainable development. Environmental auditing is mandatory only in cases stipulated by law.

211.   Environment Impact Monitoring: Environmental impact monitoring is the systematic observation of the state of the environment and of the factors influencing it. Its main purposes are to forecast changes to the state of the environment and to provide initial data for planning documents, programmes and projects. The procedure of environmental monitoring shall be established by law.

212.   Environmental Audit: An independent assessment of the current state of a party’s compliance with applicable environmental requirements is known as environmental audit.

213.   Environmental Degradation: The reduction of the capacity of the environment to meet social and ecological objectives and needs is known as environmental degradation. Degradation of the environment can alter the frequency and intensity of natural hazards and increase the vulnerability of communities. The types of human-induced degradation are varied and include land misuse, soil erosion and loss, desertification, wild land fires, loss of biodiversity, deforestation, mangrove destruction, land, water and air pollution, climate change, sea level rise and ozone depletion.

214.   Environmental Impact Assessment: Process by which the environmental consequences of a proposed project or programme are evaluated is known as environmental impact assessment. It is undertaken as an integral part of planning and decision making processes with a view to limiting or reducing the adverse impacts of the project or programme. Environmental impact assessment is a policy tool that provides evidence and analysis of environmental impacts of activities from conception to decision-making. It is utilized extensively in national programming and project approval processes and for international development assistance projects. Environmental impact assessments should include detailed risk assessments and provide alternatives, solutions or options to deal with identified problems.

215.    Environmental Refugee: These are people forced to migrate away from their homeland due to sudden or long-term changes to their local environment. When the migration is considered to be forced and not a matter of choice, additionally, if the causes for the migration are believed to be due to global warming related environmental disasters, the term climate refugee is sometimes used.

216.    Environmentally Sound Technologies: Technologies that protect the environment are less polluting, use all resources in a more sustainable manner, recycle more of their wastes and products, and handle residual wastes in a more acceptable manner than the technologies for which they were substitutes and are compatible with nationally determined socio-economic, cultural and environmental priorities is known as environmentally sound technologies.

217.    Epidemic: Occurring suddenly in numbers clearly in excess of normal expectancy for example infectious diseases. It is also applied to any disease, injury or other health-related event occurring in such outbreaks is known as epidemic.

218.    Equilibrium Climate Experiment: An “equilibrium climate experiment” is an experiment in which a climate model is allowed to fully adjust to a change in radiative forcing. Such experiments provide information on the difference between the initial and final states of the model, but not on the time dependent response.

219.    Equilibrium Climate Sensitivity: Equilibrium climate sensitivity refers to the equilibrium change in global mean surface temperature following a doubling of the atmospheric (equivalent) CO2 concentration. More generally, equilibrium climate sensitivity refers to the equilibrium change in surface air temperature following a unit change in radiative forcing (°C/Wm -2 ). In practice, the evaluation of the equilibrium climate sensitivity requires very long simulations with coupled general circulation models.

220.    Equilibrium line: The level on a glacier where the net balance equals zero and accumulation equals ablation, the point at which expansion of the glacier by accumulation is outstripped by losses of ice through ablation is known as equilibrium line. Snow does not remain below the equilibrium line throughout the warmer season.

221.   Erosion: The process of removal and transport of soil and rock by weathering, mass wasting by the action of streams, glaciers, waves, winds and underground water is known as erosion.

222.   Ethnic group: An ethnic group (or ethnicity) is a group of people whose members identify with each other through a common heritage, often consisting of a common language, a common culture (often including a shared religion) and an ideology that stresses common ancestry or endogamy.

223.   Eustatic Sea Level Rise: Change in global average sea level brought about by an alteration to the volume of the world ocean is known as eustatic sea level rise.

224.   Eutrophication: The process by which a body of water (often shallow) becomes (either naturally or by pollution) rich in dissolved nutrients with a seasonal deficiency in dissolved oxygen is known as eutrophication.

225.   Evaporation: The process by which a liquid becomes a gas is known as evaporation.

226.   Evapotransportation: The combined process of evaporation from the Earth’s surface and transpiration from vegetation is known as evapotransportation.

227.   Exhaust Emission: Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline/petrol, diesel fuel, fuel oil or coal is known as exhaust emission. It is discharged into the atmosphere through an exhaust pipe, flue gas stack or propelling nozzle.

228.   Expert Group on Technology Transfer (EGTT): An expert group established at COP-7 with the objective of enhancing the implementation of Article 4.5 of the Convention by analyzing and identifying ways to facilitate and advance technology transfer activities under the convention.

229.   Exposure: The degree of climate stress upon a particular unit analysis is known as exposure. It may be represented as either long-term change in climate conditions or by changes in climate variability including the magnitude and frequency of extreme events or people, property, systems or other elements present in hazard zones that are thereby

subject to potential losses or the nature and degree to which a system is exposed to significant climatic variations is known as exposure. Measures of exposure can include the number of people or types of assets in an area.

230.    Extensive Risk: The widespread risk associated with the exposure of dispersed populations to repeated or persistent hazard conditions of low or moderate intensity, often of a highly localized nature, which can lead to debilitating cumulative disaster impacts is known as extensive risk. Extensive risk is mainly a characteristic of rural areas and urban margins where communities are exposed to, and vulnerable to, recurring localized floods, landslides storms or droughts. Extensive risk is often associated with poverty, urbanization and environmental degradation.

231.    External Climate Variability: Variability may result from natural or anthropogenic external forcing within the climate system is called external climate variability.

232.    Externalities: Externalities occur when the activity of one person has an inadvertent impact on the well-being of another person. Many aspects of environmental degradation such as air pollution, global warming, loss of wilderness and contamination of water bodies are viewed as externalities of economic transactions.

233.    Extinction: The complete disappearance of an entire species is known as extinction.

234.    Extirpation: The disappearance of a species from part of its range; local extinction is known as extirpation.

235.    Extreme Weather Event: Meteorological conditions that are rare for a particular place and/or time, such as an intense storm or heat wave is known as extreme weather event. An extreme climate event is an unusual average over time of a number of weather events, for example heavy rainfall over a season. Definitions of rare vary, but an extreme weather event would normally be as rare as or rarer than the 10th or 90th percentile of the observed probability density function. By definition, the characteristics of what is called extreme weather may vary from place to place in an absolute sense. Single extreme events cannot be simply and directly attributed to anthropogenic climate change, as there is always a finite chance the event in question might have occurred naturally. When a pattern of extreme weather persists for some time, such as a season, it may be classed as an extreme climate event, especially if it yields an average or total that is itself extreme (e.g. drought or heavy rainfall over a season).


236.    Fallow: A period during the year when the land is kept bare and no crop is raised on it is known as fallow.

237.    Financial Additionality: If the project activity funding will be additional to existing Global Environmental Facility, other financial commitments of Parties included in Annex I, Official Development Assistance, and other systems of cooperation then it is known as financial additionality.

238.    Financial Capital: The financial resource which are available to people (whether savings, supplies of credit or regular remittances or pensions) and which provide them with different livelihood options is known as financial capital. Financial capital generally refers to saved-up financial wealth especially that used to start or maintain a business.

239.    Financial Mechanism: Developed country Parties (Annex II Parties) are required to provide financial resources to assist developing country parties implement the convention. To facilitate this, the convention established a financial mechanism to provide funds to developing country parties. The parties to the convention assigned operation of the financial mechanism to the Global Environment Facility (GEF) on an on- going basis, subject to review every four years. The financial mechanism is accountable to the COP.

240.    Flood: A flood is an overflow of an expanse of water that submerges land. Flooding may result from the volume of water within a body of water, such as a river or lake, which overflows or breaks levees with the result that some of the water escapes its usual boundaries.

241.    Fog: Fog is a collection of water droplets or ice crystals suspended in the air at or near the Earth’s surface. While fog is a type of a cloud, the term “fog” is typically distinguished from the more generic term “cloud” in that fog is low-lying and the moisture in the fog is often generated locally (such as from a nearby body of water, like a lake or the ocean or from nearby moist ground or marshes).

242.   Food Insecurity: A situation that exists when people lack secure access to sufficient amounts of safe and nutritious food for normal growth and development and an active and healthy life is known as food insecurity. It may be caused by the unavailability of food, insufficient purchasing power, inappropriate distribution, or inadequate use of food at the household level. Food insecurity may be chronic, seasonal or transitory.

243.   Food Security: It’s availability of food and one’s access to it. A household is considered food-secure when its occupants do not live in hunger or fear of starvation. “Food security exists when all the people, at all times, have physical and economic access to sufficient, safe and nutritious food to meet their dieatary and food preferences for an active and healthy life.” (World Food Simmit 1996).

244.   Food Sufficiency: Food sufficiency is the ability to produce enough food to support a population.

245.   Forecast: Definite statement or statistical estimate of the likely occurrence of a future event or conditions for a specific area.

246.   Forest Carbon Partnership Facility: The Forest Carbon Partnership Facility (FCPF) which became operational in June 2008, is a global partnership focused on reducing emissions from deforestation and forest degradation, forest carbon stock conservation, sustainable management of forests and enhancement of forest carbon stocks (REDD+).

247.   Forest Degradation: Changes within the forest which negatively affects the structure or functions of the stand or site, and thereby lowers the capacity to supply products and/or services is known as forest degradation. Deforestation defined broadly can include not only conversion to non-forest but also degradation that reduces forest quality, the density and structure of the trees, the ecological services supplied, the biomass of plants and animals, the species diversity and the genetic diversity.

248.   Forest Dweller: Someone who subsists in a forest environment is known as forest dweller.

249.  Forest Governance: Forest Governance is the act of governing the forest. It relates to decisions that define expectations, grant power or verify performance. It consists of either a separate process or part of management or leadership processes. These processes and systems are typically administered by a government.

250.    Forest Investment Program: The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the Climate Investment Funds (CIF). The FIP supports developing countries’ efforts to reduce deforestation and forest degradation (REDD) and promotes sustainable forest management that leads to emission reductions and the protection of carbon reservoirs.

251.    Forest Management: Forest management is the branch of forestry concerned with the overall administrative, economic, legal and social aspects and with the essentially scientific and technical aspects, especially silviculture, protection and forest regulation.

252.    Forest State: Most commonly considered in terms of the dominant assemblage of tree species forming an ecosystem at a location, the functional roles those species play and the characteristic vegetation structures (height, layers, stems density, etc.) at maturity is known as forest state.

253.    Forest Transition: Forest transition refers to a geographic theory describing a reversal or turnaround in land-use trends for a given territory from a period of net forest area loss (i.e. deforestation) to a period of net forest area gain.

254.    Fossil Fuels: Carbon-based fuels from fossil carbon deposits including coal, oil and natural gas is known as fossil fuel.

255.    Frost: Frost is the solid deposition of water vapor from saturated air. It is formed when solid surfaces are cooled to below the dew point of the adjacent air as well as below the freezing point of water.

256.    Functional Groups: Assemblages of species performing similar functional roles within an ecosystem, such as pollination, production or decomposition (i.e. trophic groups), hence providing some redundancy is known as functional groups.

257.   Fund Mechanism: Method or source through which funding is made available such as bank loans, bond or share issue, reserves or savings, sales revenue is known as fund mechanism.

258.   Fundamental Niche: A geographic area with the appropriate set of abiotic factors in which a species could occur is known as fundamental niche.

259.   Fungibility Emission: Interchangeability, such as the flexibility mechanisms for reducing greenhouse gas emissions that were agreed under the Kyoto Protocol.


260.    Genetic Diversity: Genetic diversity refers to the total number of genetic characteristics in the genetic makeup of a species or any variation in the nucleotides, genes, chromosomes, or whole genomes of organisms is known as genetic diversity. It is distinguished from genetic variability which describes the tendency of genetic characteristics to vary. Genetic diversity serves as a way for populations to adapt to changing environments.

261.    Geo-Engineering: Efforts to stabilize the climate system by directly managing the energy balance of the Earth thereby overcoming the enhanced greenhouse effect is known as geo-engineering.

262.    Geographic Information System (GIS): A computer-based system designed to collect, store, manage and analyze spatially referenced information and associated attribute data is known as Geographic Information System.

263.    Geological Hazard: Geological process or phenomenon that may cause loss of life, injury or other health impacts, property damage, loss of livelihoods and services, social and economic disruption or environmental damage is known as geological hazard. Geological hazards include internal earth processes, such as earthquakes, volcanic activity and emissions, and related geophysical processes such as mass movements, landslides, rockslides, surface collapses and debris or mud flows. Hydro meteorological factors are important contributors to some of these processes.

264.    Glacial Lake: A lake formed by glacier melt water located either at the front of a glacier (known as a pro-glacial lake), on the surface of a glacier (supra-glacial lake), within the glacier (englacial lake) or at the glacier bed (sub-glacial lake) is known as glacial lake.

265.    Glacial Lake Outburst: A glacial lake outburst flood is created when water dammed by a glacier or a moraine is released.

266.    Glacier: A mass of land ice flowing downhill (by internal deformation and sliding at the base) and is constrained by the internal stress and friction at the base and sides, surrounding topography (e.g. the sides of

a valley or surrounding peaks) is known as glacier. The bedrock topography is the major influence on the dynamics and surface slope of a glacier. A glacier is maintained by accumulation of snow at high altitudes, balanced by melting at low altitudes or discharge into the sea.

267.   Global Environment Facility: The Global Environment Facility (GEF) unites 182 member governments in partnership with international institutions, nongovernmental organizations, and the private sector to address global environmental issues. As an independent financial organization, the GEF provides grants to developing countries and countries with economies in transition for projects related to biodiversity, climate change, international waters, land degradation, the ozone layer, and persistent organic pollutants. These projects benefit the global environment, linking local, national, and global environmental challenges and promoting sustainable livelihoods.

268.   Global Surface Temperature: The global surface temperature is the area weighted global average of (i) the sea surface temperature over the oceans (i.e. the sub-surface bulk temperature in the first few meters of the ocean) and (ii) the surface air temperature over land at 1.5 m above the ground. The global surface temperature is an estimate of the global mean surface air temperature. However, for changes over time only anomalies as departures from climatology are used. Most commonly based on the area weighted global average of the sea surface temperature anomaly and land surface air temperature anomaly.

269.   Global Warming: The gradual increase observed or projected in global surface temperature as one of the consequences of radioactive forcing caused by anthropogenic emissions is known as global warming.

270.   Global Warming Potential: An index, describing the radiative characteristics of well-mixed greenhouse gases that represents the combined effect of the differing times these gases remain in the atmosphere and their relative effectiveness in absorbing outgoing infrared radiation is known as global warming potential. This index approximates the time-integrated warming effect of a unit mass of a given greenhouse gas in today’s atmosphere, relative to that of carbon dioxide.

271.    Globalization: The growing integration and interdependence of countries worldwide through the increasing volume and variety of cross border transactions in goods and services, free international capital flows and the more rapid and widespread diffusion of technology, information and culture.

272.    Grass Land: Grasslands (also called greenswards) are areas where the vegetation is dominated by grasses (Poaceae) and other herbaceous (non-woody) plants.

273.    Greenhouse Effect: Greenhouse gases effectively absorb thermal infrared radiation, emitted by the Earth’s surface, by the atmosphere itself due to the same gases, and by clouds. Atmospheric radiation is emitted to all sides, including downward to the Earth’s surface. Thus, greenhouse gases trap heat within the surface-troposphere system. This is called the greenhouse effect. Thermal infrared radiation in the troposphere is strongly coupled to the temperature of the atmosphere at the altitude at which it is emitted. In the troposphere, the temperature generally decreases with height. Effectively, infrared radiation emitted to space originates from an altitude with a temperature of on average, –190C, in balance with the net incoming solar radiation, whereas the Earth’s surface is kept at a much higher temperature of on average, +140C. An increase in the concentration of greenhouse gases leads to an increased infrared opacity of the atmosphere, and therefore to an effective radiation into space from a higher altitude at a lower temperature. This causes a radioactive forcing that leads to an enhancement of the greenhouse effect, the so-called enhanced greenhouse effect.

274.    Greenhouse Gases: The atmospheric gases responsible for causing global warming and climate change. The major GHGs are carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). Less prevalent but very powerful greenhouse gases are hydroflurocarbons (HFCs), periflurocarbons (PFCs) and sulphur hexafluoride (SF6).

275.    Gross Primary Production: The amount of carbon fixed from the atmosphere through photosynthesis is known as gross primary production.

276.   Group of 77 (G-77) and China: A large negotiating alliance of developing countries that focuses on numerous international topics, including climate change. The G-77 was founded in 1967 under the auspices of the United Nations Conference on Trade and Development (UNCTAD). It seeks to harmonize the negotiating positions of its 131 member states.


277.    Habit: An acquired pattern of behavior that often occurs automatically is known as habit.

278.    Habitat: The particular environment or place where an organism or species tend to live; a more locally circumscribed portion of the total environment is known as habitat.

279.    Hail: Hail is a form of solid precipitation which consists of balls or irregular lumps of ice, that are individually called hail stones. Hail stones on Earth consist mostly of water ice and measure between 5 millimetres (0.20 inch) and 150 millimetres (5.9 inch) in diameter, with the larger stones coming from severe thunderstorms.

280.  Halocarbons: Halocarbon compounds are chemicals in which one or more carbon atoms are linked by covalent bonds with one or more halogen atoms (fluorine, chlorine,bromine or iodine) resulting in the formation of organofluorine compounds, organochlorine compounds, organobromine compounds, and organoiodine compounds. Chlorine halocarbons are the most common and are called organochlorides. Halocarbons are typically nonflammable and nonreactive though some halocarbons are broken down by ultraviolet radiation in the upper atmosphere and this process releases free halogen atoms that damage the ozone layer. Some halocarbons have also been implicated as greenhouse gases.

281.    Hazard: A dangerous phenomenon, substance, human activity or condition that may cause loss of life, injury or other health impacts, property damage, loss of livelihoods and services, social and economic disruption, or environmental damage is known as hazard. The hazards of concern to disaster risk reduction as stated in footnote 3 of the Hyogo Framework are “… hazards of natural origin and related environmental and technological hazards and risks.” Such hazards arise from a variety of geological, meteorological, hydrological, oceanic, biological and technological sources, sometimes acting in combination. In technical settings, hazards are described quantitatively by the likely frequency of occurrence of different intensities for different areas as determined from historical data or scientific analysis.

282.   Hazard Based Approach: One of several conceptual and analytical approaches to adaptation projects, this approach places its starting emphasis on the biophysical aspects of climate - related risk - that is the climate hazard.

283.   Hazard Mapping: The process of establishing hazard geographically where certain phenomena are likely to pose a threat to human settlements is known as hazard mapping. Hazard maps identify areas that are subject to natural phenomena, such as earthquakes, hurricanes and tornadoes and areas that could be threatened by manmade disasters. For example, areas surrounding nuclear power plants, chemical disposal sites or areas (such as refineries) subject to threat from explosion or fire.

284.   Heritage Site: A UNESCO World Heritage Site is a place (such as a forest, mountain, lake, desert, monument, building, complex or city) that is listed by the UNESCO as of special cultural or physical significance.

285.   Hot Air/ Paper Credit: Hot Air refers to the concern that some governments will be able to meet their targets for greenhouse-gas emissions under the Kyoto Protocol with minimal effort and could then flood the market with emissions credits, reducing the incentive for other countries to cut their own domestic emissions. Paper credit founded upon evidences of debt, such as promissory notes, due bills, etc.

286.   Hot waves: A heat wave is a prolonged period of excessively hot weather which may be accompanied by high humidity.

287.   Human Capital: The skill, knowledge, ability to labour and good health important to the ability to pursue different livelihood strategies is known as human capital.

288.   Human Development: Human Development is a development paradigm that is about much more than the rise or fall of national incomes. It is about creating an environment in which people can develop their full potential and lead productive, creative lives in accord with their needs and interests.

289.   Humidity: The amount of water vapor in the air is known as humidity.

290.    Hybrid: It is used here to refer to approaches that apply uniform and site-specific methods in tandem and within an iterative process to develop and assess the range of adaptation strategies.

291.    Hydro Meteorological Hazard: Process or phenomenon of atmospheric, hydrological or oceanographic nature that may cause loss of life, injury or other health impacts, property damage, loss of livelihoods and services, social and economic disruption or environmental damage is known as hydro meteorological hazard.

292.    Hydrofluorocarbons (HFC5): Among the six greenhouse gases to be curbed under the Kyoto Protocol. They are produced commercially as a substitute for chlorofluorocarbons. HFCs largely are used in refrigeration and semiconductor manufacturing. Their Global Warming Potentials range from 1,300 to 11,700.

293.    Hydrological Cycle: The process of evaporation, vertical and horizontal transport of vapor, condensation, precipitation, and the flow of water from continents to oceans is known as hydrological cycle. It is a major factor in determining climate through its influence on surface vegetation, the clouds, snow and ice, and soil moisture. The hydrologic cycle is responsible for 25 to 30 per cent of the mid-latitudes’ heat transport from the equatorial to polar regions.


294.   ILO Convention 169: ILO Convention 169 is a legally binding international instrument open to ratification, which deals specifically with the rights of indigenous and tribal peoples. It is adopted in 1989. Today, it has been ratified by 20 countries. Once it ratifies the Convention, a country has one year to align legislation, policies and programmes to the Convention before it becomes legally binding. Countries that have ratified the Convention are subject to supervision with regards to its implementation. The Convention applies to (a) “tribal peoples in independent countries whose social, cultural and economic conditions distinguish them from other sections of the national community, and whose status is regulated wholly or partially by their own customs and traditions or by special laws and regulations”; and (b) “peoples in independent countries who are regarded as indigenous on account of their descent from the populations which inhabited the country at the time of the conquest or colonization or the establishment of the present state boundaries and who, irrespective of their legal status, retain some or all of their won social, economic, cultural and political institutions.” The REDD strategy thus must respect traditional knowledge, skills and the practices of indigenous people.

295.   Impact: The detrimental and beneficial consequence of climate change on natural and human systems is known as impact.

296.   Impact Assessment: The practice of identifying and evaluating the detrimental and beneficial consequences of climate change on natural and human systems is known as impact assessment.

297.   Incentives: Any factor (financial or non-financial) that enables or motivates a particular course of action or a tangible or intangible reward that is designed to motivate a person or group to behave in a certain way is known as incentives.

298.   Indicators: Quantitative or qualitative parameters that provide a simple and reliable basis for assessing change is known as indicators. In the context of the Adaptation Planning Framework (APF), a set of indicators is used to characterize an adaptation phenomenon to construct a baseline and to measure and assess changes in the priority system.

299.    Indigenous Peoples: People whose ancestors inhabited a place or a country when persons from another culture or ethnic background arrived on the scene and dominated them through conquest, settlement, or other means and who today live more in conformity with their own social, economic, and cultural customs and traditions than those of the country of which they now form a part (also referred to as “native,” “aboriginal” or “tribal” peoples) is known as indigenous peoples.

300.    Indirect Aerosol Effect: Aerosols may lead to an indirect radiative forcing of the climate system through acting as condensation nuclei or modifying the optical properties and lifetime of clouds. Two indirect effects are distinguished: First indirect effect: cloud albedo or twomey effect and second indirect effect: cloud lifetime effect or Albrecht effect.

301.    Infectious Diseases: Infectious diseases, also known as communicable diseases or transmissible diseases comprise clinically evident illness (i.e. characteristic medical signs and/or symptoms of disease) resulting from the infection, presence and growth of pathogenic biological agents in an individual host organism. In certain cases, infectious diseases may be asymtomatic for much of their entire course. Infectious pathogens include some viruses, bacteria, fungi, protozoa, multicellular parasites and aberrant proteins known as prions. These pathogens are the cause of disease epidemics, in the sense that without the pathogen no infectious epidemic occurs.

302.    Input Based Payment: Something put into a system or expended in its operation to achieve output or a result, especially energy, work or power used to drive a machine is known as input based payment.

303.    Institutional Appraisal: The analysis of institutions, particularly institutions that are influential in any given context: their role, degree of influence, how they function and how they inter-relate is known as institutional appraisal. This is important for understanding key influences on local livelihoods. It is often done by and with local people through participatory methods to establish their perceptions of institutional roles. This can also be called ‘institutional appraisal’ or ‘institutional mapping’. The term can also apply to analysis of a single institution: its strengths, weaknesses, leadership, internal structures etc. with a view to institutional strengthening.

304.   Integrated Assessment: A method of analysis that combines results and models from the physical, biological, economic, and social sciences, and the interactions between these components, in a consistent framework, to evaluate the status and the consequences of environmental change and the policy responses to it is known as integrated assessment.

305.   Integrated Risk Assessment: The integrated risk assessment for an asset should jointly consider the likelihood that the asset will experience a particular impact and the consequences of that impact on the surrounding community or region (from a health/safety, economic, environmental, cultural or other point of view)

306.   Intensive Risk: The risk associated with the exposure of large concentrations of people and economic activities to intense hazard events, which can lead to potentially catastrophic disaster impacts involving high mortality and asset loss is known as intensive risk. Intensive risk is mainly a characteristic of large cities or densely populated areas that are not only exposed to intense hazards such as strong earthquakes, active volcanoes, heavy floods, tsunamis or major storms but also have high levels of vulnerability to these hazards.

307.   Interaction Effect: The result or consequence of the interaction of climate change policy instruments with existing domestic tax systems, including both cost-increasing tax interaction and cost-reducing revenue-recycling effect is known as interaction effect. The former reflects the impact that greenhouse gas policies can have on the functioning of labor and capital markets through their effects on real wages and the real return to capital. By restricting the allowable greenhouse gas emissions, permits, regulations, or a carbon tax raise the costs of production and the prices of output, thus reducing the real return to labor and capital.

308.   Intergovernmental Panel on Climate Change (IPCC): The Intergovernmental Panel on Climate Change (IPCC) is a scientific intergovernmental body tasked with reviewing and assessing the most recent scientific, technical and socio-economic information produced worldwide relevant to the understanding of climate change. It provides the world with a clear scientific view on the current state of climate change and its potential environmental and socio-economic

consequences, notably the risk of climate change caused by human activity. The panel was first established in 1988 by the World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP), two organizations of the United Nations, an action confirmed on 6 December 1988 by the United Nations General Assembly through Resolution 43/53.

309.    Internal Climate Variability: Variability may result from natural internal processes within the climate system is known as internal climate variability.

310.    International Emissions/Carbon/Energy Tax: International emissions/ carbon/energy tax is a tax imposed on specified sources in participating countries by an international agency. The revenue is distributed or used as specified by participating countries or the international agency.

311.    Introduced Species: A species occurring in an area outside its historically known natural range as a result of accidental dispersal by humans is known as introduced species.

312.    Invasive Species: An introduced species that invades natural habitats is known as invasive species.

313.    Investment Additionality: If the value of the Emissions Reduction Unit/ Certified Emission Reduction Unit will significantly improve the financial and/or commercial viability of the project activity then it is known as investment additionality.


314.   Joint Implementation: Joint Implementation (JI), is another mechanism allowing investments in developed countries to generate emission credit for the same or another developed country.

315.   Joint Liaison Group (JLG): Group of representative of UNFCCC, CBD and UNCCD Secretariats set up to explore common activities to confront problems related to climate change, biodiversity and desertification.


316.    Known Technological Options: Technologies that exist in operation or pilot plant stage to-date is known as known technological options. It does not include any new technologies that will require drastic technological breakthroughs.

317.    Kyoto Mechanism: Economic mechanisms based on market principles that Parties to the Kyoto Protocol can use in an attempt to lessen the potential economic impacts of greenhouse gas emission reduction requirements. They include Joint Implementation (Article 6), the Clean Development Mechanism (Article 12) and Emissions Trading (Article 17) is known as Kyoto mechanism.

318.    Kyoto Protocol: The Kyoto Protocol to the United Nations Framework Convention on Climate Change (UNFCCC) was adopted at the Third Session of the Conference of the Parties to the UNFCCC in 1997 in Kyoto, Japan. It contains legally binding commitments, in addition to those included in the UNFCCC. Countries included in Annex B of the Protocol (most countries in the Organization for Economic Cooperation and Development, and countries with economies in transition) agreed to reduce their anthropogenic greenhouse gas emissions (carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride) by at least 5% below 1990 levels in the commitment period 2008 to 2012. 


319.   Land Degradation: The United Nations Convention to Combat Desertification defines land degradation as a reduction or loss in arid, semiarid, and dry sub-humid areas of the biological or economic productivity and complexity of rain-fed cropland, irrigated cropland, or range, pasture, forest and woodlands resulting from land uses or from a process or combination of processes including processes arising from human activities and habitation patterns such as: (i) soil erosion caused by wind and/or water; (ii) deterioration of the physical, chemical and biological or economic properties of soil; and (iii) long-term loss of natural vegetation. Land degradation is a concept in which the value of the biophysical environment is affected by one or more combination of human-induced processes acting upon the land. It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable.

320.   Land Pollution: Land pollution is the degradation of Earth’s land surfaces often caused by human activities and their misuse of land resources. It occurs when waste is not disposed properly.

321.   Land Tenure: Land tenure is the name given, particularly in common law systems, to the legal regime in which land is owned by an individual, who is said to “hold” the land.

322.   Land Use: The total of arrangements, activities, and inputs undertaken in a certain land cover type (a set of human actions) is known as land use or it is the social and economic purposes for which land is managed (e.g. grazing, timber extraction and conservation).

323.   Land Use Change: A change in the use or management of land by humans, which may lead to a change in land cover is known as land use change. Land cover and land-use change may have an impact on the albedo, evapotranspiration, sources and sinks of greenhouse gases or other properties of the climate system, and may thus have an impact on climate locally or globally.

324.   Land Use Planning: The process undertaken by public authorities to identify, evaluate and decide on different options for the use of land including consideration of long term economic, social and environmental objectives and the implications for different communities and interest groups, and the subsequent formulation and promulgation of plans that describe the permitted or acceptable uses is known as land use planning. Land-use planning can help to mitigate disasters and reduce risks by discouraging settlements and construction of key installations in hazard-prone areas, including consideration of service routes for transport, power, water, sewage and other critical facilities.

325.    Land Use, Land Use Change and Forestry (LULUCF): Land use, land-use change and forestry (LULUCF) is defined as, “A greenhouse gas inventory sector that covers emissions and removals of greenhouse gases resulting from direct human-induced land use, land-use change and forestry activities.”

326.    Landscape: Landscape comprises the visible features of an area of land including the physical elements of landforms, water bodies such as rivers, lakes and the sea, living elements of land cover including indigenous vegetation, human elements including land uses, buildings and structures and transitory elements such as lighting and weather conditions.

327.    Landslide: A mass of material that has slipped downhill by gravity, often assisted by water when the material is saturated. Rapid movement of a mass of soil, rock or debris down a slope is known as landslide.

328.    Leakage: The part of emissions reductions in Annex B countries that may be offset by an increase of the emission in the non-constrained countries above their baseline levels is known as leakage. This can occur through (i) relocation of energy-intensive production in non-constrained regions; (ii) increased consumption of fossil fuels in these regions through decline in the international price of oil and gas triggered by lower demand for these energies; and (iii) changes in incomes (thus in energy demand) because of better terms of trade. Leakage also refers to the situation in which a carbon sequestration activity (e.g. tree planting) on one piece of land inadvertently, directly or indirectly, triggers an activity, which in whole or part counteracts the carbon effects of the initial activity.

329.    Least Developed Countries: Least Developed Country (LDC) is the name given to a country which, according to the United Nations, exhibits the lowest indicators of socioeconomic development and with the lowest Human Development Index ratings of all countries in the world.

330.   Least Developed Countries Expert Group (LEG): A panel of 12 experts which provides advice to LDCs on the preparation and implementation of national adaptation programmes of actions (NAPAs)-plans for addressing the urgent and immediate needs of those countries to adapt to climate change is known as least developed countries expert group.

331.   Least Developed Country Fund (LDCF): The LDCF is a fund established to support a work programme to assist Least Developed Country Parties to carry out, inter alia, the preparation and implementation of National Adaptation Programmes of Action (NAPAs). The global environment facility as the entity that operated the financial mechanism of the Convention has been entrusted to operate this fund.

332.   Livelihood: A livelihood comprises the capabilities, assets and activities required for a means of living. A livelihood comprises the capabilities, assets (stores, resources, claims and access) and activities required for a means of living. A livelihood is sustainable when it can cope with and recover from stress and shocks, maintain or enhance its capabilities and assets and provide sustainable livelihood opportunities for the next generation; and which contributes net benefits to other livelihoods at the local and global levels in the long- and short-term.

333.   Livelihood Assets: Assets that the resource poor people possess or have access to and use to gain a livelihood is known as livelihood assets. Livelihood assets serve as the basis for people’s livelihoods.

334.   Livelihood Outcome: Livelihood outcomes are the achievements of livelihood strategies. Successful livelihood strategies should lead to more income and more economically sustainable livelihoods, increased well-being, reduced vulnerability and more sustainable use of the natural resource base.

335.  Livelihood Strategies: Livelihood strategies include productive activities, investment strategies and reproductive choices. The ways in which poor people deploy their assets and capabilities to improve their livelihoods (i.e. consumption, production, processing, exchange and income-generating activities) is known as livelihood strategies. These are the range and combination of activities and choices that people make/ undertake in order to achieve their livelihood goals. Livelihood strategies encompass productive activities, investment strategies and reproductive choices among other things.

336.    Local Adaptation Plan of Action (LAPA): This will enable communities to understand the uncertainty of future climatic conditions and engage effectively in a process of developing adaptation programmes. They will implement climate resilient plans that are flexible enough to respond to changing climate and vulnerability conditions. They will also inform sectoral programmes and catalyze an integrated response to Climate Change between sectors. Local level adaptation planning begins at community level, contributes to village development committee level plans which in turn inform district and national level plans.

337.    Local Adaptive Capacity: The ability of a local system to adjust to climate change (including climate variability and extremes) to moderate potential damages, to take advantage of opportunities or to cope with the consequences is known as local adaptive capacity.

338.    Local Communities: A community is a group of interacting organisms sharing an environment. In human local communities; intent, belief, resources, preferences, needs, risks and a number of other conditions may be present and are common affecting the identity of the participants and their degree of cohesiveness. A local community has been defined as a group of interacting people living in a common location.

339.    Local Institutions: A custom, practice, relationship or behavioral pattern of importance in the life of a community or society is known as local institutions.


340.   Magnitude: The property of relative size or extent (whether large or small)

341.   Maladaptation: Any changes in natural or human systems that inadvertently increase vulnerability to climatic stimuli. An adaptation that does not succeed in reducing vulnerability but increases it instead is known as maladaptation.

342.   Market Impact: Impacts that are linked to market transactions and directly affect gross domestic product (GDP, a country’s national accounts) for example, changes in the supply and price of agricultural goods is known as market impact.

343.   Market Mechanism: Market mechanism is a term from economics referring to the use of money exchanged by buyers and sellers with an open and understood system of value and time tradeoffs to produce the best distribution of goods and services.

344.   Marrakesh Account: The principles in the Marrakesh Accords respond to concerns that the use of LULUCF (Land Use, Land Use Change and Forestry) activities should not undermine the environmental integrity of the Kyoto Protocol. These principles underscore, for example, the need for sound science and consistent methodologies as well as the importance of conserving biodiversity. They also specify that naturally-occurring removals including removals as a consequence of indirect anthropogenic effects should be excluded from the system and that any re-release of greenhouse gases (e.g. through forest fires) must be promptly accounted for.

345.   Mean Sea Level: Mean Sea Level is normally defined as the average relative sea level over a period, such as a month or a year, long enough to average out transients such as waves.

346.   Meeting of Parties: The Conference of the Parties of the United Nations Framework Convention on Climate Change will serve as the Meeting of the Parties (MOP), the supreme body of the Kyoto Protocol but only Parties to the Kyoto Protocol may participate in deliberations and make decisions. Until the Protocol enters into force, MOP cannot meet.

347.    Meteorology: Meteorology is the interdisciplinary scientific study of the atmosphere.

348.  Methane (CH4): Methane is a chemical compound with the chemical formula CH4. It is the simplest alkane, and the principal component of natural gas, about 87% by volume. It is a relatively potent greenhouse gas. Compared with carbon dioxide, it has a high global warming potential of 72 (calculated over a period of 20 years) or 25 (for a time period of 100 years). It has a net lifetime of about 10 years; it also affects the degradation of the ozone layer.

349.    Micro-climate: A local atmospheric zone where the climate differs from the surrounding area is known as micro-climate.

350.    Millennium Development Goals (MDGs): A set of time-bound and measurable goals for combating poverty, hunger, disease, illiteracy, discrimination against women and environmental degradation, agreed at the UN Millennium Summit in 2000 is known as Millennium Development Goals.

351.    Mist: Mist is a phenomenon of small droplets suspended in air. It can occur as part of natural weather and is common in cold air above warmer water, in exhaled air in the cold. The only difference between mist and fog is visibility.

352.    Mitigation: In the context of climate change, mitigation is a human intervention to reduce the sources or enhance the sinks of greenhouse gases. Examples include using fossil fuels more efficiently for industrial processes or electricity generation, switching to solar energy or wind power, improving the insulation of buildings and expanding forests and other sinks to remove greater amount of carbon dioxide from the atmosphere. Tackling climate change by limiting greenhouse gas emissions is known as mitigation. In Climate Change policy, “mitigation” is defined differently, being the term used for the reduction of greenhouse gas emissions that are the source of Climate Change.

353.    Mitigation Option: Options that maintain existing carbon stocks or pool of carbon is known as mitigation option.

354.   Mitigation Measures: Mitigation measures encompass engineering techniques and hazard-resistant construction as well as improved environmental policies and public awareness.

355.   Mitigative Capacity: The social, political and economic structures and conditions that is required for effective mitigation is known as mitigative capacity.

356.   Modified Natural Forest: Forest/other wooded land of naturally regenerated native species which show clear and visible indications of human activities is known as modified natural forest. It includes but is not limited to, selectively logged-over areas, naturally regenerating areas following agricultural land use, areas recovering from human induced fires, areas where it is not possible to distinguish whether the regeneration has been natural or assisted monotypic stand: a forest stand containing one tree species.

357.   Monitoring, Reporting and Verification (MRV): MRV can require that Parties monitor, report and verify environmental compliance data. Reporting, monitoring, and verification measures can assist States in tracking their compliance under the respective MRVs. These requirements vary in formality and reporting methodologies. As technology has evolved, compliance-related information systems with computerized databases are increasingly used to collect, sort and process this information. The advantages of using compliance-related information systems include increased transparency, ease of data analysis and verification, and increased efficiency, organization and prompt compilation of data.

358.   Monsoon: Wind in the general atmospheric circulation typified by a seasonal persistent wind direction and by a pronounced change in direction from one season to the next is known as monsoon.

359.   Montreal Protocol: The Montreal Protocol on substances that deplete the ozone layer was adopted in Montreal in 1987 and subsequently adjusted and amended in London (1990), Copenhagen (1992), Vienna (1995), Montreal (1997), and Beijing (1999). It controls the consumption and production of chlorine - and bromine-containing chemicals that destroy stratospheric ozone, such as chlorofluorocarbons (CFCs), methyl chloroform, carbon tetrachloride and many others.

360.    Multi-model Ensemble: Multi-model ensembles include simulations by several models and also include the impact of model differences.


361.   National Accounting System: National accounts or National Account Systems (NAS) are the implementation of complete and consistent accounting techniques for measuring the economic activity of a nation (more broadly termed, social accounts).

362.   National Adaptation Programmes of Actions (NAPAs): Documents prepared by least developed countries (LDCs) identifying urgent and immediate activities useful for coping with climate change is known as national adaptation programes of actions. The NAPAs are then presented to the international donor community for support to start adapting to current and projected adverse effects of climate change.

363.   National (Nepal) Biodiversity Strategy: The Nepal Biodiversity Strategy (NBS) is an important output of the Biodiversity Conservation Project of the Ministry of Forests and Soil Conservation (MFSC) of His Majesty’s Government of Nepal. The Biodiversity Conservation Project is supported by the Global Environment Facility (GEF) and the United Nations Development Programme UNDP).The preparation of the NBS is based on the substantial efforts of and assistance from numerous scientists, policy-makers and organizations who generously shared their data and expertise. The document represents the culmination of hard work by a broad range of government sectors, nongovernmental organizations and individual stakeholders.

364.   National Communication: A document submitted in accordance with the convention (and the protocol) by which a party informs other parties of activities undertaken to address climate change is known as national communication. Most developed countries have now submitted their fourth national communications; most developing countries have completed their first national communication and are in the process of preparing their second. Nepal is in the process of preparation of second national communication.

365.   National Conservation Strategy: The National Conservation Strategy are in response to the need for laying down the guidelines that will help to weave environmental considerations into the fabric of our national life and of our development process. It is an expression of our commitment for reorienting policies and action in unison with the environmental perspective.

366.    National Platform for Disaster Risk Reduction: A generic term for national mechanisms for coordination and policy guidance on disaster risk reduction that are multi-sectoral and inter-disciplinary in nature, with public, private and civil society participation involving all concerned entities within a country. Disaster risk reduction requires the knowledge, capacities and inputs of a wide range of sectors and organizations, including United Nations agencies present at the national level, as appropriate. Most sectors are affected directly or indirectly by disasters and many have specific responsibilities that impinge upon disaster risks. National platforms provide a means to enhance national action to reduce disaster risks, and they represent the national mechanism for the International Strategy for Disaster Reduction.

367.    National Sovereignty: National sovereignty is the doctrine that sovereignty belongs to and derives from the nation, an abstract entity normally linked to a physical territory and its past, present and future citizens.

368.    Nationally Appropriate Mitigation Action: Nationally Appropriate Mitigation Action (NAMA) refers to a set of policies and actions countries undertake as part of a commitment to reduce greenhouse gas emissions. The term recognizes that different countries may take different nationally appropriate action on the basis of equity and in accordance with common but differentiated responsibilities and respective capabilities. It also emphasizes financial assistance from developed countries to developing countries to reduce emissions.

369.    Natural Capital: The natural resource stocks from which resource flows useful for livelihoods are derived (including land, water, wildlife, biodiversity and environmental resources) is known as natural capital.

370.    Natural Disaster: A natural disaster is the effect of a natural hazard (e.g. flood, tornado, hurricane, volcanic eruption, earthquake or landslide). It leads to financial, environmental or human losses. The resulting loss depends on the vulnerability of the affected population to resist the hazard also called their resilience. This understanding is concentrated in the formulation: “disasters occur when hazards meet vulnerability.” A natural hazard will hence never result in a natural disaster in areas without vulnerability (e.g. strong earthquakes in uninhabited areas).

371.   Natural Ecosystem: A natural ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving, physical components of the environment with which the organisms interact, such as air, soil, water and sunlight. It is all the organisms in a given area along with the nonliving (abiotic) factors with which they interact.

372.   Natural Gas: Natural gas is a gas consisting primarily of methane, typically with 0-20% higher hydrocarbons (primarily ethane). It is found associated with other hydrocarbon fuel in coal beds as methane clathrates and is an important fuel source and a major feedstock for fertilizers.

373.   Natural Hazard: Natural process or phenomenon that may cause loss of life, injury or other health impacts, property damage, loss of livelihoods and services, social and economic disruption or environmental damage is known as natural hazard. Natural hazards are a sub-set of all hazards. The term is used to describe actual hazard events as well as the latent hazard conditions that may give rise to future events. Natural hazard events can be characterized by their magnitude or intensity, speed of onset, duration, and area of extent. For example, earthquakes have short durations and usually affect a relatively small region, whereas droughts are slow to develop and fade away and often affect large regions. In some cases hazards may be coupled, as in the flood caused by a hurricane or the tsunami that is created by an earthquake.

374.   Natural Regeneration: The natural regeneration of vegetation is a dynamic process by which life recolonises land when the vegetation has been partially or totally destroyed. Life recovers the lost ground through the mechanism of the succession of species.

375.   Nested Approach: A flexible mechanism to reduce emissions from deforestation is known as nested approach. It is mix of both national and sub-national approaches where transition to national approach is mandatory and accounting and crediting take place at both national and sub-national levels.

376.   Net Biome Production: Net gain or loss of carbon from a region is known as Net Biome Production. NBP is equal to the Net Ecosystem 


     390. OECD Countries: Organization for Economic Co-operation and Development (OECD) was established at 1992 to promote policies that will improve the economic and social well- being of people around the world. The OECD provides a forum in which governments can work together to share experiences and seek solutions to common problems.

          391. Offset: A carbon offset is a reduction in emissions of carbon or greenhouse gases made in order to compensate for or to offset an emission made elsewhere. Carbon offsets are measured in metric tons of carbon dioxide-equivalent (CO2e) and may represent six primary categories of greenhouse gases. One carbon offset represents the reduction of one metric ton of carbon dioxide or its equivalent in other greenhouse gases.

          392. Open Access: Easy and open access to the resources is known as open access.

          393. Opportunity Cost: Opportunity cost is the cost related to the next-best choice available to someone who has picked among several mutually exclusive choices. It is a key concept in economics. It has been described as expressing “the basic relationship between scarcity and choice.”

 394. Organic Aerosol: Aerosol particles consisting predominantly of organic compounds, mainly C, H and O, and lesser amounts of other elements is known as organic aerosol.
  395. Output Based Payment: The Output Based Payment System (OPS) is based on the simple principle of exchanging goods and services against a reasonable price. OPS is a performance based management approach which links the payment of service providers (SP) to their delivery of services or outputs.

  396. Ozone: The triatomic form of oxygen (O3) is a gaseous atmospheric constituen i known as ozone. It is created in troposphere and stratosphere.

397. Ozone Layer: The stratosphere contains a layer in which the concentration of ozone is greatest; this is known as ozone layer. The layer extends from about 12 to 40 km. The ozone concentration reaches a maximum between about 20 and 25 km. This layer is being depleted by human emissions of chlorine and bromine compounds. Every yearduring the Southern Hemisphere spring, a very strong depletion of the ozone layer takes place over the Antarctic region also caused by human-made chlorine and bromine compounds in combination with the specific meteorological conditions of that region. This phenomenon is called the ozone hole.

398. Ozone Layer Depletion: Ozone depletion describes two distinct but related observations: a slow, steady decline of about four per cent per decade in the total volume of ozone in Earths stratosphere (the ozone layer) since the late 1970s and a much larger but seasonal decrease in stratospheric ozone over Earths polar regions during the same period. The latter phenomenon is commonly referred to as the ozone hole. In addition to this well-known stratospheric ozone depletion there are also tropospheric ozone depletion events which occur near the surface in Polar Regions during spring.

399. Ozone Pollution: Ozone pollution is a form of pollution which is characterized by high concentrations of ozone, a form of oxygen, at ground level. Exposure to ozone can cause serious health problems in plants and people, and ozone pollution is a major problem in some regions of the world.


400. Parameterization: In climate models, this term refers to the technique of representing processes that cannot be explicitly resolved at the spatial or temporal resolution of the model (sub-grid scale processes) by relationships between the area or time-averaged effect of such sub-grid-scale processes and the larger scale flow.

401. Parts Per Billion (ppb): Represents the concentration of something in water or soil. One ppb represents one microgram of something per liter of water (ug/l) or one microgram of something per kilogram of soil (ug/kg).

402. Parts Per Million (ppm): This is a way of expressing very dilute concentrations of substances. Just as per cent means out of a hundred, so parts per million or ppm means out of a million. Usually describes the concentration of something in water or soil. One ppm is equivalent to one milligram of something per liter of water (mg/l) or one milligram of something per kilogram soil (mg/kg).

403. Payment: A payment is the transfer of wealth from one party (such as person or company) to another. A payment is usually made in exchange for the provision of goods, services or both or to fulfill a legal obligation.

404. Payment for Environmental Services (PES): Payments for Environmental Services are part of a new and more direct conservation paradigm, explicitly recognizing the need to bridge the interests of landowners and outsiders. Eloquent theoretical assessments have praised the absolute advantages of PES over traditional conservation approaches. PES is a highly promising conservation approach that can benefit buyers, sellers and improve the resource base but it is unlikely to completely outstrip other conservation instruments.

405. Perluorocarbons (PFCs): It is among the six greenhouse gases to be abated under the Kyoto Protocol. These are broducts of aluminum smelting   and   uranium   enrichment.   They   also   replace chlorofluorocarbons in manufacturing semiconductors. The Global Warming Potential of PFCs is 6,500 - 9,200 times that of carbon dioxide.

406. Performance Based Payment (PBP): It is a form of contractor financing based on the completion of authorized work. PBPs are for use on fixed-price contractual arrangements. The main focus is on the completion of authorized work taking the form of milestones points in time. No payments are paid tcontractors until the agreed-to milestones are completely finished.

407. Permanence: Temporary nature of credits is known as permanence. It is the property of being able to exist for an indefinite duration.

408. Permits: Emissions trading in domestic systems is known as permits.

409. Perturbed Parameter Ensembles: Ensembles in which model parameters are varied in a systematic manner. It aims to produce a more objective estimate of modeling uncertainty than is possible with traditional multi- model ensembles is known as perturbed parameter ensembles.

410. Phased Approach:  It is the stage or the approach in a process of change or development.

411. Phenology: The study of natural phenomena in biological systems that recur periodically (e.g. development stages and migration) and their relation to climate and seasonal changes is known as phenology.

412. Photosynthesis: The process by which plants take carbon dioxide (CO2from the air (or bicarbonate in water) to build carbohydrates, releasing oxygen (O2) in thprocess. There are several pathways of photosynthesis with differen responses to atmospheric COconcentrations is known as photosynthesis.

413. Physical Capital: The basic infrastructure (transport, shelter, waterenergy and communications) and the production equipment and means which enable people to pursue their livelihoods is known as physical capital.

414. Planned Adaptation: Adaptation that is the result of a deliberate policy decision based on an awareness that conditions have changed or are about to change and that action is required to return to maintain or achieve a desired state is known as planned adaptation.

415. Plantation: Forest/other wooded land of introduced species and in some cases native species established through planting or seeding, mainly for production of wood or non-wood goods is known as plantation.

416. Polluters Pay Principle (PPP): The Polluter Pays Principle is an environmental policy principle which requires that the costs of pollution be borne by those who cause it. In its original emergence the Polluter Pays Principle aims at determining how the costs of pollution prevention and control must be allocated.

417. Pollution: Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat or light.

418. Post Glacial Rebound: The vertical movement of the continents and sea floor following the disappearance and shrinking of ice sheets for example, since the Last Glacial Maximum (21 ky BP) is known as post glacial rebound. The rebound is an isostatic land movement.

419. Potential Impacts: All impacts that may occur given a projected change in climate, without considering adaptation is known as potential impacts.

420. Precipitation: Precipitation is any product of the condensation of atmospheric water vapor that falls under gravity. The main forms of precipitation include drizzle, rain, sleet, snow, graupel and hail. It occurs when a local portion of the atmosphere becomes saturated with water vapor and the water condenses two processes possibly acting together that can lead to air becoming saturated: cooling the air or adding water vapor to the air.

421. Preparedness: The knowledge and capacities developed by governments, professional response and recovery organizations, communities and individuals to effectively anticipate, respond to and recover from the impacts of likely, imminent or current hazard events or conditions is known as preparedness. Preparedness action is carried out within the context of disaster risk management and aims to build the capacities needed to efficiently manage all types of emergencies and achieve orderly transitions from response through to sustained recoveryPreparedness is based on a sound analysis of disaster risks and good

linkages with early warning systems, and includes such activities as contingency planning, stockpiling of equipment and supplies, the development of arrangements for coordination, evacuation and public information and associated training and field exercises. The related term “readiness describes the ability to quickly and appropriately respond when required.

422. Prevention: The outright avoidance of adverse impacts of hazards and related disasters is known as prevention. Prevention (i.e. disaster prevention) expresses the concept and intention to completely avoid potential adverse impacts through action taken in advance. Examples include dams or embankments that eliminate flood risks, land-use regulations that do not permit any settlement in high risk zones, and seismic engineering designs that ensure the survival and function of critical building in any likely earthquake.

423. Primary Energy/Energy Sources: Primary energy (also referred to as energsources) is the energy embodied in natural resources (e.g. coal, crude oil, natural gas and uranium) that has not undergone any anthropogenic conversion. This primary energy needs to be converted and transported to become usable energy (e.g. light).

424. Primary forest: Forest/other wooded land of native species where there are no clearly visible indications of human activities and the ecological processes are not significantly disturbed is known as primary forest.

425. Priority Sector: The sectors or the area which needs urgent attention to address is known as priority sector.

426. Private Adaptation: Adaptation that is initiated and implemented by individuals, households or private companies is known as private adaptation. Privatadaptation is usually in the actors rational self-interest.

427. Productivity or Production: The rate at which biomass is produced per unit area by any class of organisms is known as productivity or production.

428. Projection: A projection is a potential future evolution of a quantity or set of quantities often computed with the aid of a model. Projections are distinguished from “predictions in order to emphasize that projections involve assumptions concerning, for example, future socio-economic and technological developments that may or may not be realized and are therefore subject to substantial uncertainty.

429. Prospective Disaster Risk Management: A Management activity that addresses and seeks to avoid the development of new or increased disaster risks is known as prospective disaster risk management. This concept focuses on addressing risks that may develop in future if risk reduction policies are not put in place, rather than on the risks that are already present and which can be managed and reduced now.

430. Protocol: An international agreement linked to an existing convention, but as a separate and additional agreement which must be signed and ratified by the parties to the convention concerned is known as protocol. Protocols typically strengthen a convention by adding newmore detailed commitments.

431. Provisioning Services: The benefits that ecosystem can provide such as food and water is known as “provisioning services”.

432. Proxy: A proxy climate indicator is a local record that is interpreted, usinphysical and biophysical principles, to represent some combination of climate-related variations back in time. Climate-related data derived in this way are referred to as proxy data. Examples of proxies are tree ring records, characteristics of corals and various data derived from ice cores.

433. Public Adaptation: Adaptation that is initiated and implemented by governments at all levels is known as public adaptation. Public adaptation is usually directed at collective needs.

434. Public Awareness: The extent of common knowledge about Climate Change, the factors that lead to climate induced disasters and the actions that can be taken individually and collectively to reduce exposure and vulnerability to hazards is known as public awareness. Public awareness is a key factor in effective adaptation strategies. Its development is pursued, for example, through the development and dissemination of information through media and educational channels, the establishment of information centres, networks, and community or participation actions and advocacy by senior public officials and community leaders.


435. Quotas: Emissions trading in international systems is known as quotas.


436. Rainfall: Rain is liquid precipitation, as opposed to nonliquid kinds of precipitation such as snow, hail and sleet. Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earths surface

437. Rapid Climate Change: The nonlinearity of the climate system may lead to rapid Climate Change, sometimes called abrupt events or even surprises. Some such abrupt events may be imaginable, such as dramatic reorganization of the thermohaline circulation, rapid deglaciation or massive melting of permafrost leading to fast changes in the carbon cycle. Others may be truly unexpected, as a consequence of a strong, rapidly changing and forcing of a non-linear system.

438. Ratification: Formal approval, often by a parliament or other national legislature, of a convention, protocol or treaty, enabling a country to become a Party is known as ratification. Ratification is a separateprocess that occurs after a country has signed an agreement, the instrument of ratification must be deposited with a depositary (in the case of the climate change convention the UN secretary general) to start the countdown to becoming a party (in the case of the convention, the countdown is 90 days).

439. Reactive Adaptation: Adaptation that takes place after impacts of climate change have been observed is known as reactive adaptation.

440. Readiness Preparation Proposal (RPP): The RPP is a roadmap toward achieving REDD Readiness. It indicates what activities could be undertaken anprovides a guide to how these activities can be undertaken and what resources will be needed. It does not seek to define the outcome of these activities but provides draft Terms of Reference (ToR) for further defining them.

441. Recovery: The restoration and improvement where appropriate of facilities livelihoods and living conditions of disaster-affected communities including efforts to reduce disaster risk factors is known as recovery.

442. REDD Standards: This initiative is developing standards that can be used bgovernments, NGOs, financing agencies and other stakeholders to design and implement REDD+ programs that respect the rights of indigenous peoples and local communities and generate significant social and environmental co-benefits. The standards have been developed through an inclusive process engaging governments, NGOs and other civil society organizations, indigenous peoples organizations, international policy and research institutions and the private sector.

443. Reference Scenario: The reference scenario provides a plausible picture of a future in the priority system without adaptation, to allow for comparison of different adaptation strategies, policies and measures.

444. Reforestation: Planting of forests on lands that have previously contained forests but that have been converted to some other use or the direct human-induced conversion of non-forested land to forested land through planting, seeding and/or the human-induced promotion of natural seed sources, on land that was forested but that has been converted to non-forested land is known as reforestation.

445. Regeneration: In biology, regeneration is the process of renewal, restoration, and growth that makes genomes, cells, organs, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. Every species is capable of regeneration from bacteria to humans.

446. Regime: A regime is a preferred state of the climate system, often representing one phase of dominant patterns or modes of climate variability.

447. Region: A region is a territory characterized by specific geographical and climatological features. The climate of a region is affected by regional anlocal scale forcing such as topography, land use characteristics, lakes etc. as well as remote influences from other regions.

448. Regulating Services: The benefits that ecosystems can provide such as regulation of floods, drought, land degradation and disease is known as “regulating services.”

449. Rehabilitation: Rehabilitation is a treatment or treatments designed to facilitate the process of recovery from injury, illness or disease to as normal a condition as possible.

450. Relative Sea Level Rise: Relative sea-level rise occurs where there is a net increase in the level of the ocean relative to local land movements. Impact researchers focus on relative sea-level change.

451. Relief Response: Relief Response also known as Emergency Management is the generic name of an interdisciplinary field dealing with the strategic organizational management processes used to protect critical assets of an organization from hazard risks that can cause disasters or catastrophes and to ensure their continuance within their planned lifetime.

452. Remote Sensing: Remote sensing is the small or large scale acquisition of information of an object or phenomenon by the use of either recording or real-time sensing device(s) that are wireless, or not in physical or intimate contact with the object (such as by way of aircraft, spacecraft, satellite, buoy, or ship). In practice, remote sensing is the stand-off collection through the use of a variety of devices for gathering information on a given object or area.

453. Removals: The act of removing or state of being removed is known as removals.

454. Removals Unit (RMU): A Removal Unit is a tradable carbon credit or ‘Kyoto unit representing an allowance to emit one metric tons of greenhouse gases absorbed by a removal or Carbon sink activity in an Annex I country. Removal Units are generated and issued by Kyoto Protocol Annex I Parties for carbon absorption by Land use, Land-use Change and Forestry (LULUCF) activities such as reforestation.

455. Renewable Energy: The gases circling the Earth that are essential in helping to determine the temperature of the Earth; without them this planet would likely be so cold as to be uninhabitable is known as renewable energy. Renewable energy is obtained from the continuing or repetitive currents of energy occurring in the natural environment, and includes non-carbon technologies such as solar energy, hydropower, wind, tide and waves and geothermal heat as well as carbon neutral technologies such as biomass.

456. Reservoirs: A component or components of the climate system where a greenhouse gas or a precursor of a greenhouse gas is stored is known as reservoirs. Trees are reservoirs for carbon dioxide.

457. Residual Impacts: The impacts of climate change that would occur after adaptation is known as residual impacts.

458. Residual Risk: The risk that remains in unmanaged form, even when effective disaster risk reduction measures are in place and for which emergency response and recovery capacities must be maintained is known as residual risk. Thpresence of residual risk implies continuing need to develop and supporeffective capacities for emergency services, preparedness, response and recovery together with socio-economic policies such as safety nets and risk transfer mechanisms.

459. Resilience: The capacity of a system, community or society potentially exposed to hazards to adapt by resisting or changing in order to reach and maintain an acceptable level of functioning and structure is known as resilience. This is determined by the degree to which the social system is capable of organizing itself to increase its capacity for learning from past disasters for better future protection and to improve risk reduction measures. The ability of a system, community or society exposed to hazards to resist, absorb, accommodate to and recover from the effects of a hazard in a timely and efficient manner, including through the preservation and restoration of its essential basic structures and functions. It is the amount of change a system can undergo without changing state.

460. Resistance: The capacity of the ecosystem to absorb disturbances and remain largely unchanged.

461. Response: The provision of emergency services and public assistance during or immediately after a disaster in order to save lives reduces health impacts, ensure public safety and meet the basic subsistence needs of the people affected is known as response.

462. Response Time: The response time or adjustment time is the time needed for the climate system or its components to re-equilibrate to a new state following a forcing resulting from external and internal processes or feedbacks. It is very different for various components of the climate system. The response time of the troposphere is relatively short, from days to  weeks, whereas the stratosphere comes into equilibrium on a time scale of typically a few months. Due to their large heat capacity the oceans have a much longer response time, typically decades but up to centuries or millennia. The response time of the strongly coupled surface troposphere system is, therefore, slow compared to that of the stratosphere and mainly determined by the oceans. The biosphere may respond fast (e.g. to droughts) but also very slowly to imposed changes.

463. Restoration: Returning a work to a better state is known as restoration.

464. Result Based Payment: Result based payment is an initiative to and implements a reimbursement system that rewards care quality and results is known as result based payment. Result based payment would align the positive attributes of thcurrent payment process with reimbursement system based on appraisaof quality care and appropriate outcomes.

465. Retrofitting: Reinforcement or upgrading of existing structures to become more resistant and resilient to the damaging effects of hazards is known as retrofitting. Retrofitting requires consideration of the design and function of the structure, the stresses that the structure may be subject to from particular hazards ohazard scenarios and the practicality and costs of different retrofitting options. Examples of retrofitting include adding bracing to stiffen walls, reinforcing pillars, adding steel ties between walls and roofs, installing shutters on windows and improving the protection of important facilities and equipment.

466. Risk: The combination of the probability of an event and its negative consequences is known as risk. It is the result of interaction of physically defined hazards with the properties of the exposed systems that is their sensitivity or (social) vulnerability. Risk can also be considered as the combination of an event, its likelihood and its consequences that is risk equals the probability of climate hazard multiplied by a given systemvulnerability.

467. Risk Assessment: A methodology to determine the nature and extent of risk by analyzing potential hazards and evaluating existing conditions of vulnerability that together could potentially harm exposed people, property, services, livelihoods and the environment on which they depend is known as risk assessment.

468. Risk Management: The systematic approach and practice of managing uncertainty to minimize potential harm and loss is known as risk management. Risk management comprises risk assessment and analysis, and the implementation of strategies and specific actions to control, reduce and transfer risks. It is widely practiced by organizations to minimize risk in environmental damage, social impacts and damage from fire and natural hazards. Risk management is a core issue for sectors such as water supply, energy and agriculture whose production is directly affected by extremes of weather and climate.

469. Risk Mapping: The process of identifying high-risk areas is known as risk mapping This is done by correlating a hazard, such as an earthquake, to the terrain and to the probability that such an event will occur. The results of these analyses are usually presented in the form of risk maps, which show the type and degree of hazard represented by a particular natural phenomenon at a given geographic location. Risk mapping is usually the first step in vulnerability reduction.

470. Risk Transfer: The process of formally or informally shifting the financial consequences of particular risks from one party to another hereby a household, community, enterprise or state authority will obtain resources from the other  party after a disaster occurs, in exchange for ongoing or compensatory social or financial benefits provided to that other party is known as risk transfer. Insurance is a well-known form of risk transfer, where coverage of a risk is obtained from an insurer in exchange for ongoing premiums paid to the insurer. Risk transfer can occur informally within family and community networks where there are reciprocal expectations of mutual aid by means of gifts or credit, as well as formally where governments, insurers, multi-lateral banks and other large risk-bearing entities establish mechanisms to help cope with losses in major events. Such mechanisms include insurance and re-insurance contracts, catastrophe bonds, contingent credit facilities and reserve funds, where the costs are covered by premiums, investor contributions, interest rates and past savings respectively. 

471. Runoff: Runoff is a term used to describe the water from rain, snowmelt or irrigation that flows over the land surface and is not absorbed into the ground, instead flowing into streams or other surface waters or land depressions.


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