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Heres Why Repairing the Hole in the Ozone Layer Is Delayed by a Decade

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 Environmental   |   Science
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A mysterious spike in ozone destroying emissions, CFC-11, has finally been located to 2 provinces in China. But what is CFC-11 and what happens now?

The Ozone Layer Was Doomed Until a Handful of Scientists Stood Up to Power - https://youtu.be/CvcvMkFGBi8

Read More:
Stratospheric Ozone - Monitoring and Research in NOAA
https://www.ozonelayer.noaa.gov/science/basics.htm
Ozone thus plays a key role in the temperature structure of the Earth's atmosphere. Without the filtering action of the ozone layer, more of the Sun's UV-B radiation would penetrate the atmosphere and would reach the Earth's surface.

Increase in CFC-11 emissions from eastern China based on atmospheric observations
https://www.nature.com/articles/s41586-019-1193-4#Abs1
A recently reported slowdown in the decline of the atmospheric concentration of CFC-11 after 2012, however, suggests that global emissions have increased. A concurrent increase in CFC-11 emissions from eastern Asia contributes to the global emission increase, but the location and magnitude of this regional source are unknown.

Montreal Protocol on Substances that Deplete the Ozone Layer
https://www.environment.gov.au/protection/ozone/montreal-protocol
The Montreal Protocol on Substances that Deplete the Ozone Layer (the Montreal Protocol) is an international agreement made in 1987. It was designed to stop the production and import of ozone depleting substances and reduce their concentration in the atmosphere to help protect the earth's ozone layer.

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