CO2 Equivalent

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CO2 Equivalent. The amount of CO2 that would cause the same integrated radiative forcing (a measure for the strength of climate change drivers) over a given time horizon as an emitted amount of another GHG or mixture of GHGs.

Conversion factors vary based on the underlying assumptions and as the science advances.

As a baseline, PCAF recommends using 100-year Global Warming Potentials without climate-carbon feedback from the most recent IPCC Assessment report.

As defined in[1]


  1. PCAF (2020). The Global GHG Accounting and Reporting Standard for the Financial Industry. First edition.