Climate study confirms what skeptics scoffed at: global warming is real
Koch, Gates charities pay for research backing earlier claims that came under fire
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Beth Ipsen
AP
Ice chunks float in the Arctic Ocean as the sun sets near Barrow, Alaska. The Arctic is a thermostat against overheating and a barometer of change, but now its own protective ozone layer that keeps out damaging ultraviolet radiation has thinned to record levels, the U.N. weather agency has said.
Pete Spotts
Staff writer
Updated 10/22/2011 12:14:57 AM ET 2011-10-22T04:14:57
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http://www.msnbc.msn.com/id/44996377/ns/us_news-christian_science_monitor/