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2016-10-10. World leaders discuss ban of climate-busting refrigerants.

posted Oct 15, 2016, 9:01 AM by Alan Gould   [ updated Oct 25, 2016, 3:52 PM ]

By Robynne Boyd, Nature. For GSS Climate Change chapter 9. Excerpt: After being directed for almost 30 years at substances that destroy ozone, the Montreal Protocol will for the first time target a group of greenhouse gases. Beginning today in Kigali, Rwanda, member states of the United Nations are finalizing the terms of what could be the largest commitment to reducing global warming since the Paris Agreement on climate last December. Delegates are likely to take till the meeting’s final day on 14 October to hammer out the knotty details of an amendment to the protocol. Ideally, the amendment will set the terms for a rapid phasedown of hydrofluorocarbons (HFCs), the most common of which is the refrigerant HFC-134a, which has 1,430 times more warming potential than carbon dioxide (CO2) over 100 years. The amendment would stop the manufacture of HFCs and then reduce their use over time.... See also articles in Science, BBC News, New York Times, and The Washington Post http://www.nature.com/news/world-leaders-discuss-ban-of-climate-busting-refrigerants-1.20768