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“ozone hole”

Apr 14, 2014 06:03 AM ET // Becky Oskin, LiveScience
A global ban on the chemicals that caused the Antarctic ozone hole was successful in staving off one in the Arctic.
Dec 12, 2013 12:30 AM ET // Tia Ghose, LiveScience
The banning of ozone-depleting chemicals hasn't yet caused detectable improvements in the Antarctic ozone hole.
Apr 21, 2011 05:17 PM ET // John D. Cox
A new climate change culprit in the Southern Hemisphere has been identified -- the ozone hole.