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Articles on Ozone hole

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Concentration of ozone (in Dobson units) as of mid-September 2022, based on measurements by the IASI infrared sounder over 15 years above Antarctica. The extent of damage and geographical distribution of the hole (in blue) varies according to weather conditions. Anne Boynard/LATMOS

How science saved the ozone layer

In 1987, the Montreal Protocol established a ban on substances responsible for destroying the ozone layer, which is essential for protection against the sun’s rays.
Temperatures are warming faster in the Arctic than anywhere else in the world. Water and sewer pipes in Iqaluit, Nunavut, are cracking during the winter as the ground shifts. THE CANADIAN PRESS/Sean Kilpatrick

The unexpected link between the ozone hole and Arctic warming

New research finds that chlorofluorocarbons (CFCs) and other ozone-depleting substances have boosted the effects of climate change in the Arctic.
Sunset at Australia’s Cape Grim observatory, one of the key global background monitoring sites for CFC-11. Paul Krummel/CSIRO

Eastern China pinpointed as source of rogue ozone-depleting emissions

For several years, emissions of CFCs have been rising, in apparent defiance of a global ban in place since 2010. A new global detective effort has traced the source to two eastern Chinese provinces.

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