Carbon dioxide equivalent (CO2e / CO2-eq)

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A metric measure used to compare the emissions from various greenhouse gases based upon their global warming potential (GWP). Carbon dioxide equivalents are commonly expressed as: million metric tons of carbon dioxide equivalents (MMTCO2Eq). The carbon dioxide equivalent for a gas is derived by multiplying the tons of the gas by the associated GWP.

MMTCO2Eq = (million metric tons of a gas) x (GWP of the gas)

See also: Greenhouse Gas (GHG), Global Warming Potential (GWP)


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