Chlorofluorocarbons are to blame for global warming since the 1970s and not carbon dioxide, according to new research from the University of Waterloo published in the International Journal of ...

They were once abundant, in our hairsprays, bug sprays, and refrigerators. And then scientists figured out these substances ripped a hole in the ozone layer, leading to a 1987 plan to phase them ...

The 'ozone hole,' a phenomenon in which ozone levels over Antarctica decrease during the Southern Hemisphere's spring period from September to December and appear as if a hole has opened up, was ...