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Climate data show global warming undeniable

Climate data show global warming undeniable 29 Jul 2010 A combination of the National Oceanic and Atmospheric Administration (NOAA) images show September Arctic sea ice in 1979, the first year these data were available, and 2009 in this image from a report released on July 28, 2010... September Arctic sea ice is one of the 10 key indicators of a warming planet. Melting glaciers, more humid air and eight other key indicators show that global warming is undeniable, scientists said on Wednesday, citing a new comprehensive review of the last decade of climate data.