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30 years of healing the ozone layer

This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty is the first in the history of the United Nations to achieve universal ratification. Environmental science made it happen.
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What The Ozone Layer Would Have Looked Like Without A Global Treaty

Genres / Sci Fi : io9

The Montreal Protocol of 1987 placed strict controls on the release of ozone-depleting substances. A new study now shows what would have happened to the ozone layer in the absence of this critically important international treaty — ...

Decades after the Montreal Protocol, there are signs the hole in the ozone layer has begun to heal

Business & Finance : Money & Co

For the first time in 30 years, the gaping hole in the ozone layer above Antarctica is showing signs of healing. Every year since it was discovered in 1985, scientists have watched the hole grow bigger from one Antarctic spring to t...

Severe ozone depletion avoided

Academics / General Science : ScienceDaily: Science Society

We are already reaping the rewards of the Montreal Protocol, researchers say, with the ozone layer in much better shape than it would have been without the UN treaty. Although the Montreal Protocol came into force in 1987 and restri...

The Hole in the Antarctic Ozone Layer Is Starting to Heal

Issues & Causes / Environmentalism : Discover Magazine: Environment

There may finally be some good climate news. A paper published today in Science details the the first strong evidence that the hole in the ozone layer is beginning to heal. In 1987, the Montreal Protocol banned the class of ozone-go...

Ozone layer will take five more decades to fully recover

Issues & Causes / Environmentalism : Grist

It's been more than 20 years since the Montreal Protocol was signed, and scientists say it'll be another 70 years before the ozone layer fully heals.


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