In a High-Stakes Environmental Whodunit, Many Clues Point to China https://www.nytimes.com/2018/06/24/world/asia/china-ozone-cfc.html?partner=rss&emc=rss #EnvironmentalInvestigationAgency #ShandongProvince(China) #Chlorofluorocarbons #Carbontetrachloride #MontrealProtocol #AirPollution #Insulation #Chemicals #CFC-11 #Ozone #China #Foam