German Emissions Trading Authority

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KlimaschutzprojekteWhich greenhouse gases are relevant for CDM Projects?

019Answer

A CDM project can be directed towards reducing one or several of the following greenhouse gases listed in the Kyoto Protocol: Carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulphur hexafluoride (SF6).

As their individual contributions to the greenhouse effect vary, they are weighted according to their global-warming potential, which is defined as the amount of heat trapped by a certain mass of the gas in question compared to the amount of heat trapped by a similar mass of carbon dioxide.

All gases are therefore measured in tonnes of carbon dioxide equivalents (tCO2eq).

Thus, 1 tonne of CH4 would equal 21 tCO2eq.

24/04/2018

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