A global ban on the chemicals that caused the Antarctic ozone hole was successful in staving off one in the Arctic.
Worried scientists said Sunday they had found four new ozone-destroying gases in the atmosphere, most likely put there by humans in the last 50-odd years despite a ban on these dangerous compounds.
The banning of ozone-depleting chemicals hasn't yet caused detectable improvements in the Antarctic ozone hole.
Chlorine has a dark side, but giving it up is proving difficult.
Reflecting on our past success in fixing the hole in Earth's ozone layer could help us fight climate change.
NASA's doomed satellite provided critical information on the development of the ozone hole.
Here at Discovery News, we understand the crisis in Japan is confusing. There was an earthquake, a tsunami and now a nuclear disaster. Our experts are on hand to answer any questions you may have.
Vehicle pollutants in the Los Angeles Basin have dropped 98 percent since the 1960s.
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