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Carbon Dioxide Equivalent (CO2e)
Definition:
Carbon dioxide equivalent (CO2e) is the universal unit of measurement used to indicate the global warming potential of each of greenhouse gases. It is used to evaluate the impacts of releasing (or avoiding the release of) different greenhouse gases. The global warming potentials (GWP) of the three greenhouse gases associated with forestry are as follows: Carbon dioxide persists in the atmosphere for about 200–450 years and its global warming potential is defined as 1, methane (CH4) persists for 9–15 years and has a global warming potential of 22 (meaning that it has 22 times the warming ability of carbon dioxide), and nitrous oxide (N2O) persists for about 120 years and has a global warming potential of 310. The current concentration of greenhouse gases already has a heating power equaling that of a concentration of roughly 472 parts per million, which are high enough for a temperature rise of greater than 2° C.
Source:
The World Bank
Category:
General Carbon Accounting Methodology Vocabulary
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Carbon Finance Lexicon
The text is derived from the Finance and Carbon Markets Lexicon prepared by the Forest Carbon, Markets and Communities (FCMC) Program and Tetra Tech ARD and reviewed by the United States Agency for International Development (USAID).
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CARBON FINANCE LEXICON
Afforestation, Reforestation and Revegetation Methodology Vocabulary
Agriculture Land Management Methodology Vocabulary
Avoided Conversion of Grasslands and Shrublands Methodology Vocabulary
Carbon Pools Vocabulary
General Carbon Accounting Methodology Vocabulary
Improved Forest Management Methodology Vocabulary
Peat Rewetting and Conservation Methodology Vocabulary
Performance Vocabulary
Reducing Emissions from Deforestation and Degradation Methodology Vocabulary
Regulatory and Accounting Vocabulary
Risk Management Vocabulary
Valuation Vocabulary
Acronyms and Abbreviations
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