The Hole in the Antarctic Ozone Layer Is Starting to Heal

There may finally be some good climate news.

A paper published today in Science details the the first strong evidence that the hole in the ozone layer is beginning to heal. In 1987, the Montreal Protocol banned the class of ozone-gobbling chemicals called chlorofluorocarbons (CFCs) in developed countries around the world, and it appears that the policy is, perhaps, starting to pay off. Since 2000, the hole has shrunk by some 2.5 million square miles and could close completely by the middl

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