The Montreal Protocol, the international treaty adopted to restore Earth's protective ozone layer in 1989, has significantly reduced emissions of ozone-depleting chemicals from the United States. In a twist, a new study shows ...
Environment
Aug 14, 2017
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Recent increases in an unregulated ozone-depleting substance, could delay recovery of Antarctic ozone levels by 5-30 years, depending on emissions scenarios.
Environment
Jun 27, 2017
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Even if there comes a day when the world completely stops emitting greenhouse gases into the atmosphere, coastal regions and island nations will continue to experience rising sea levels for centuries afterward, according ...
Environment
Jan 9, 2017
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Hopes were high Friday that world envoys meeting in Rwanda will agree to phase out potent gases used in refrigerators and air conditioners that are one of the biggest contributors to global warming.
Environment
Oct 14, 2016
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Greenhouse gases that are more powerful than carbon dioxide are the focus of a global gathering this week in Africa. Experts say cutting hydrofluorocarbons, or HFCs, is the fastest way to reduce global warming. The United ...
Environment
Oct 13, 2016
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If the Montreal Protocol had been rejected and the risks of ozone depleting substances had been ignored by the world, we would be facing even more intense tropical cyclones in the near future, according to a new study in ...
Environment
Feb 2, 2016
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We are already reaping the rewards of the Montreal Protocol, with the ozone layer in much better shape than it would have been without the UN treaty, according to a new study in Nature Communications.
Earth Sciences
May 26, 2015
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Several decades ago, chlorofluorocarbons (CFCs) were chemicals used in hairspray, deodorants, foam products, air conditioners and more. In 1974 chemists Sherwood Rowland and Mario Molina published a paper that indicated ...
Environment
Apr 7, 2015
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Scientists report that chemicals that are not controlled by a United Nations treaty designed to protect the Ozone Layer are contributing to ozone depletion.
Earth Sciences
Feb 16, 2015
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Research from the University of Leeds and an international team of scientists has shown a recent increase in atmospheric hydrogen chloride (HCI), a substance linked to destruction of the ozone layer.
Environment
Nov 5, 2014
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