Mario Molina, 77, Dies; Sounded an Alarm on the Ozone Layer October 13, 2020 Chlorofluorocarbons +9 Deaths (Obituaries) Global Warming Greenhouse Gas Emissions IFTTT Nobel Prizes NYT NYTimes Ozone Science Science and Technology Space Technology Chlorofluorocarbons Deaths (Obituaries) Global Warming Greenhouse Gas Emissions IFTTT Nobel Prizes NYT NYTimes Ozone Science Science and Technology Space Technology