Gaping hole in ozone layer now healing up, say scientists
The troublesome tear in Earth's protective blanket is getting stitched up.
A gaping hole in the ozone layer has been opening up over Antarctica each spring for decades. And now there are signs that the slow process of healing has begun, according to a study published Thursday in the journal Science.
Scientists credit this progress to the 1987 Montreal Protocol, an international treaty that phased out chemicals that eat away at the ozone layer, which shields our planet from deadly levels of radiation.
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