Environmental coalition urges quick action on climate ‘superpollutants’

A coalition of 12 environmental groups is calling on EPA and the Biden administration to take quick action on tackling climate “superpollutants” -- including methane, hydrofluorocarbons (HFC) and black carbon -- in a bid to move fast on domestic greenhouse gas cuts and mobilize similar international action. “With your leadership, the U.S. can seize the significant national and international opportunities to reduce emissions of the short-lived super pollutants to complement aggressive action to cut carbon dioxide,” the groups write in...