What are HFCs and what’s their role in climate change?

October 17, 2016
About 70 percent of Earth is covered by clouds at any given moment.
About 70 percent of Earth is covered by clouds at any given moment.
NOAA/FLICKR

An agreement signed in Kigali, Rwanda last Saturday mandates an 85 percent reduction of a class of greenhouse gases called HFCs (hydrofluorocarbons) in wealthy nations—including the United States—by 2036. Edward Parson, a professor of environmental law at UCLA’s Emmett Institute on Climate Change and the Environment, identifies the deal as “a step forward,” but maintains that CO2 reduction still represents a more pressing concern.

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