CNBC
A new study co-authored by MIT researchers finds that factories in China have been emitting a compound banned under the Montreal Protocol that destroys the Earth’s ozone layer, reports Yen Nee Lee for CNBC. The researchers found that “China accounted for 40% to 60% of the global increase in trichlorofluoromethane, or CFC-11, emissions between 2014 and 2017.”