A new report shows the ozone hole is healing, but it's not all good news


atmosphere earth ozone
Environment

Despite mostly positive changes, a scientific assessment of the Montreal Protocol shows how we still need to do better.

A three decades old international treaty to phase out chemicals that deplete the ozone layer protecting our planet from harmful solar radiation is paying off. Thanks to…
via Popular Science "https://ift.tt/2QlcW2z"

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