- The world agreed to ban this ozone killer years ago—but it looks like someone is making more https://www.popsci.com/cfc-ozone-emission#page-4 10 comments worldnews
- The world agreed to ban this ozone killer years ago—but it looks like someone is making more. CFC-11 isn't leaving the atmosphere as quickly as it should. https://www.popsci.com/cfc-ozone-emission 1383 comments science
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- The ozone hole is at its smallest size since 1988, thanks to hot air and a massive international effort https://www.popsci.com/ozone-hole-small 32 comments
- What would America be like without the EPA? | Popular Science http://www.popsci.com/getting-rid-of-the-environmental-protection-agency 7 comments
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