A study by UN found evidence that the ozone layer, which protects the Earth from ultraviolet rays, beginning to recover after years of decline.
Scientists believe that good news is a result of global tax veto in the early 80s to the chlorofluorocarbons (CFCs), chemicals used in refrigerators and aerosols.
The report's authors say that this is an environmental success story thanks to international action and that the same level of urgency and unity should be directed to address climate change.
Retrieve the atmosphere
"We started doing the right thing for the atmosphere back to what it was before the start of the industrial revolution," he told the BBC Ken Jucks, Nasa scientist.
It is estimated that thanks to the 1987 Montreal Protocol which banned the harmful chemicals to the ozone layer two million annual cases of skin cancer in 2030, according to the United Nations Program for the Environment will be avoided.
Positive data on ozone arrive, by contrast, after learning record accumulation of carbon dioxide (C02) in the atmosphere dioxide, according to the World Meteorological Organization.
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