Scientists spotted what might be the biggest hole ever recorded in the Arctic's ozone layer

The Arctic's ozone layer developed a tear, which grew into a hole, and then a bigger hole. Now, it may be biggest hole the North Pole's ozone layer has ever incurred.

from CNN.com - RSS Channel - App International Edition https://www.cnn.com/2020/04/15/world/biggest-arctic-ozone-hole-scn-trnd/index.html
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