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Study finds unprecedented Arctic ozone loss

(PhysOrg.com) -- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low ...

dateOct 02, 2011 in Earth Sciences
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Chemistry trick kills climate controversy

Volcanoes are well known for cooling the climate. But just how much and when has been a bone of contention among historians, glaciologists and archeologists. Now a team of atmosphere chemists, from the Tokyo ...

dateFeb 11, 2013 in Earth Sciences
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