The ‘environmental crime of the century’ solved
Grist
FEBRUARY 10, 2021
The gas, CFC-11, was banned in 2010 under the Montreal Protocol — the international treaty to eliminate substances that wreck the Earth’s protective ozone layer. CFC-11 also warms Earth with 5,000 times the intensity of carbon dioxide. They send experts to meet twice a year, every year, to review progress and negotiate changes.
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