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Plugging an ozone hole : Ozone levels in the Arctic haven’t yet sunk to the extreme lows seen in Antarctica.
Plugging an ozone hole
by Staff Writers
Boston MA (SPX) Apr 17, 2014
Since the discovery of the Antarctic ozone hole, scientists, policymakers, and the public have wondered whether we might someday see a similarly extreme depletion of ozone over the Arctic. 994 more words