Title: Protection against depletion of stratospheric ozone by chlorofluorocarbons
Subjects: Aerosols, Air, Chlorofluorocarbons, Environmental aspects, Environmental aspects of Aerosols, Environmental aspects of Chlorofluorocarbons, Ozone layer depletion, Pollution, Chlorofluorocarbures, Atmosphere, Aérosols, Ozone, Stratosphère, Aspect de l'environnement, Adverse effects, Air Pollutants, Ozone atmosphérique, Atmospheric ozone, Stratosphere, Organohalogen compounds