Freon and the ozone layer

Freon, used in various consumer products, contained chlorofluorocarbons that were later found to damage the ozone layer. This discovery led to increased awareness of environmental safety concerning chemical usage.
 F. Sherwood Rowland and Mario Molina United States 1974 Freon and the ozone layer

Freon, used in various consumer products, contained chlorofluorocarbons that were later found to damage the ozone layer. This discovery led to increased awareness of environmental safety concerning chemical usage.