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

Briefings

November 2017
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.
Tropical cyclones: impacts, the link to climate change and adaptation

Briefings

November 2017

Following the string of high-intensity tropical cyclones in the Atlantic basin in 2017 and the devastating impacts on small island states, a number of questions have been raised about linkages between these cyclones and climate change. This briefing provides clarity on scientifically-supported connections between existing tropical cyclones and climate change.