Maps of ozone concentrations over the Arctic on March 19, 2010 (left) and the same day in 2011 (right), measured by the Ozone Monitoring Instrument on NASA's Aura satellite. Cold temperatures, ...
Get unlimited access to ad-free articles and exclusive content. Cold temperatures, chlorine and a stagnant atmosphere caused a thinning in the ozone layer over the Arctic in 2011, a new NASA study ...
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