You might be surprised to learn the hole in the ozone layer has almost healed. Even more surprising? We actually fixed it with legislation. Here’s how.
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The Montreal Protocol Is the Most Successful Climate Agreement Ever
“In 1987, almost every country in the world signed the Montreal Protocol, agreeing on a plan to phase out damaging CFCs. Consumers bought in, too, voluntarily boycotting the spray cans. As a result of this global effort to get rid of CFCs, scientists now say the ozone layer is slowly healing.”
The Hole in the Ozone Layer Is at Its Smallest in Nearly Three Decades
“In 1987, the Montreal Protocol initiated the phase-out of these chemicals. As they gradually leave the atmosphere, the ozone hole will heal, and scientists expect it to return to 1980s size by 2070.”
What Ever Happened To The Hole In The Ozone Layer?
“Ozone is an allotrope of oxygen -- three oxygen atoms linked together -- that occurs naturally in the atmosphere. The ozone layer isn't an actual layer, as such. The term refers to scattered ozone molecules floating in the stratosphere, anywhere from 6 to 30 miles overhead.”
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Special thanks to Amy Shira Teitel and Julian Huguet for writing this episode of Seeker!
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