These ozone-depleting gases include chlorofluorocarbons (CFCs), which we've been cracking down on since the global agreement known as the Montreal Protocol was finalized 33 years ago. CFCs ...
When CFCs drift up into the stratosphere, they can break down ozone under certain seasonal conditions. The following year, ...
The 'ozone hole ... to initiate a chain reaction that breaks down ozone. The Montreal Protocol, adopted in 1987, regulated the manufacture, consumption, and trade of CFCs and other chemicals ...
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