How often will Global Warming Potential values be updated?

How often will Global Warming Potential values be updated?

The Technical Advisory Committees (TACs) of Gold Standard will review and make any subsequent decisions as and when new GWP values become available from IPCC.

Until that time, the AR5 values as summarised in Table 1, below, will be applied by all GS4GG project activities and programmes of activities (PoAs).

Eligible GHGs

GWP Values 100 year time horizon

IPCC AR4

IPCC AR5

CO2

1

1

CH4

25

28

N2O

298

265