| http://www.w3.org/ns/prov#value | - Chlorofluorocarbons, or CFCs, in refrigerants, aerosol sprays and solvents have been largely blamed for most ozone depletion.Experts generally agree that the man-made chemicals are leveling off since more than 180 countries in the 1980s signed the Montreal Protocol, which phases out some CFCs and other compounds such as chlorine and bromine.
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