August 14, 2011 8:03 PM

New study blames human beings for half of Arctic ice melt

About half the recent record loss of Arctic sea ice can be blamed on global warming caused by human activity, according to a new study by scientists from the nation's leading climate research center. The peer-reviewed study, funded by the National Science Foundation is the first to attribute a specific proportion of the ice melt to greenhouse gases and particulates from pollution.

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