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That ozone hole the world thought it was fixing? There may be a glitch | Guest editorial

This is a problem the world thought it had fixed. Scientists discovered in the 1980s that chlorofluorocarbons — used for refrigeration and in aerosol sprays — were creating a hole in the stratospheric ozone layer far above Antarctica, which could have devastating consequences for life on Earth....
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It wasn't until the late 1980s that the world finally came to terms with the fact that manmade chemicals were destroying the Earth's ozone layer. By that point the hole had grown at a rapid pace due to the use of chlorofluorocarbons...

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Nearly 30 years ago, almost every country in the world signed the Montreal Protocol to ban chlorofluorocarbons (CFCs) used in refrigerators, aerosols, and dry cleaning. The chlorine in CFCs was said to interact with ozone in the atm...

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Remember the hole in the ozone layer? The one caused by refrigerants used in air conditioners and aerosol spray cans? Yeah, that never really went away. Each frigid Antarctic winter, the ozone hole has reappeared, allowing higher am...


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