CHLOROFLUOROCARBONS (CFCs)
(See also Aerosol Sprays)
atmospheric greenhouse effect: g96 9/22 19-20; g89 9/8 7
Montreal Protocol (1987, Canada): g96 1/8 5
nations agree to stop producing: g89 8/8 29
ozone layer attacked by: g05 1/22 29; g96 1/8 5, 12-13; g94 12/22 6-7; g89 1/22 24-27
proposal to use lasers to diminish atmospheric: g89 9/8 9
uses: g89 1/22 24-25