2020 emission targets after applying updated GWPs from IPCC AR4

In IPCC’s 2007 Fourth Assessment Report (AR4) the Global Warming Potentials (GWPs) were updated from those in the 1995 Second Assessment Report (SAR). The SAR GWPs are used in the national inventories of UNFCCC Parties and to account for greenhouse gases (GHGs) under the Kyoto Protocoll.