January 01, 2017

Historic Kigali Amendment eliminates warming from one of six main greenhouse gases

Durwood Zaelke

After an all-night negotiating session, Minister Vincent Biruta of Rwanda brought down the gavel shortly before 7 a.m. October 15, 2016, confirming the consensus reached by the 197 Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer to adopt the Kigali Amendment to phasedown the super climate pollutants called hydrofluorocarbons (HFCs). The amendment will avoid up to 0.5° Celsius (C) of warming by 2100 and significantly more when parallel efforts to improve energy efficiency of air conditioners and other products using HFCs are included.

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