Carbon dioxide equivalent

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Carbon dioxide equivalent or CO2e is the amount of carbon dioxide (CO2) required to have a similar effect as a given mixture of other components. It is often used when comparing greenhouse gas (GHG) emissions. Greenhouse gases include carbon dioxide, methane, nitrous oxide, ozone, chlorofluorocarbons, hydrochlorofluorocarbons, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.[1][2]

See also[edit]


  1. Glossary of Climate Change Terms. United States Environmental Protection Agency. 9 Aug. 2016. Web. 23 Nov. 2016. Archived.
  2. IPCC, 2013: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Stocker, T.F., D. Qin, G.-K. Plattner, M. Tignor, S.K. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 1535 pp, doi:10.1017/CBO9781107415324.