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New threat to ozone layer
https://popastro.com/forum/viewtopic.php?f=2&t=20497
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Author:  brian livesey [ Mon Oct 16, 2017 10:07 am ]
Post subject:  New threat to ozone layer

Earth's ozone layer gives us vital protection from solar UV radiation. Since the CFC revelations, it was thought that all ozone-destroying chemicals had been eliminated through the Montreal Protocol.
Now, an international team led by David Oram at the University of East Anglia, has discovered that a group of chemicals known as chlorocarbons are destroying the ozone layer and that China is responsible for over 50% of emissions. See today's www.spaceweather.com for a fuller treatment.

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