News tagged with ozone layer

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Mutant microbes test radiation resistance

Early Earth lacked an ozone layer to act as a shield against high-energy solar radiation, but microbes flourished by adapting to or finding other forms of protection from the higher ultraviolet radiation levels. ...

Mar 24, 2011
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Arctic on the verge of record ozone loss

Unusually low temperatures in the Arctic ozone layer have recently initiated massive ozone depletion. The Arctic appears to be heading for a record loss of this trace gas that protects the Earth's surface against ultraviolet ...

Mar 14, 2011
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UN board could rein in $2.7 billion carbon market

(AP) -- An obscure U.N. board that oversees a $2.7 billion market intended to cut heat-trapping gases has agreed to take steps that could lead to it eventually reining in what European and U.S. environmentalists are calling ...

Aug 21, 2010
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