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After Several Decades, Antarctic Ozone Hole Shrunk By 1.5 Million Square Miles

Updated on 5 November, 2016 at 12:16 pm By

In a good news, ozone layer over Antarctic has shrunk by 1.5 million square miles since 2000- an area about the size of India.

“It’s a big surprise. I didn’t think it would be this early,” said lead author Susan Solomon, an atmospheric chemist at the Massachusetts Institute of Technology, in an interview with Science magazine.


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The study attributed the development to the continuing decline of atmospheric chlorine originating from chlorofluorocarbons (CFC).



The researchers said that the trend towards recovery became apparent when they studied the required measurements in the month of September, not October.

“I think people, myself included, had been too focused on October, because that’s when the ozone hole is enormous. But October is also subject to the slings and arrows of other things that vary, like slight changes in meteorology,” said Solomon.

The ozone hole was first discovered in the 1950s. “We can now be confident that the things we’ve done have put the planet on a path to heal,” said Solomon.


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