Ozone hole smallest in decades, NOAA and NASA say (al.com)

Posted November 16, 2017 at 11:22 AM

The hole in the ozone layer above Earth is the smallest observed since 1988, according to a recent report from NASA and NOAA.

But scientists are attributing that more to the weather than human help.
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But this year's Antarctic ozone hole was nearly 1 million miles smaller than in 2016, according to NASA earlier this month, and it will continue to shrink.

The Antarctic ozone hole is still immense, however. At its peak this year it extended about 7.6 million square miles, which NASA said is an area about 2.5 times the size of the United States.
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more: http://www.al.com/news/index.ssf/2017/11/ozone_hole_smallest_in_decades.html