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Published on Aug 4, 2012
Dr. James Hansen of NASA, says there is now enough evidence to connect global warming to some of the extreme weather events of the recent past. Hansen tells the Newshour that there is now a 1 in 10 chance of extreme heat events like the 2010 Texas/ Oklahoma droughts, the 2010 heat wave in Russia and possibly even the heat wave scorching the Midwest in 2012.