Negotiators from around the world are working toward a ban on hydrofluorocarbons, coolants that replaced ozone-depleting chemicals but brought global warming problems of their own.
CORAL DAVENPORT, NY Times: Politics
Sat, 07/23/2016 - 8:31am
Negotiators from around the world are working toward a ban on hydrofluorocarbons, coolants that replaced ozone-depleting chemicals but brought global warming problems of their own.