“… a triumph for global cooperation”: Ozone hole will heal, say scientists. “The hole in the Southern Hemisphere’s ozone layer will start
shrinking within a decade and should close completely in the next
50 years, according to an international panel.

Data unveiled at a conference in Argentina suggest that the global
effort to reduce the use of chlorofluorocarbons (CFCs)— the
main menace to the ozone layer — is succeeding, just three
months after Nasa revealed that the size of the ozone hole in the
Southern Hemisphere had grown to 11 million square miles and
had reached the tip of South America for the first time.” The good news is attriutable to global cooperation in reducing chlorofluorocarbon (CFC) use since a 1987 worldwide protocol was signed in Montreal. Global warming, however, will slow ozone recovery. The Times of London