Why using 20-year Global Warming Potentials (GWPs) for emission targets are a very bad idea for climate policy

There have been proposals for the UNFCCC to adopt a dual-term greenhouse gas accounting standard: 20-year GWPs alongside the presently accepted 100-year GWPs. It is argued that the advantage of such a change would be to more rapidly reduce short term warming and buy time for CO2 reductions. This briefing shows why these changes would be counterproductive and the benefits overstated.

Date Published
2017, November 16

Authors
Climate Analytics

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