Treaty ending use of planet-warming HFCs takes effect in 2019The question is whether or not the US will ratify it.By J. Fingas, 11.19.2017
Kigali Amendment reached to cut use of planet-warming HFCsMore than 170 countries negotiated a deal to avoid 'the equivalent of 80 billion tons of carbon dioxide.'By R. Lawler, 10.15.2016