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NASA finds ozone hole did not form over Arctic this winter
NASA scientists report that after a record buildup of ozone damaging chemicals last January, rapid warming in February and March prevented severe depletion over the Arctic. Tests show thinning but no hole. concern remains over high chlorine levels and potential impacts on US Canada Europe. Joe Walters notes small temperature shifts can trigger ozone loss with existing chlorine in the stratosphere.
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Arctic
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Joe Walters