GlobalPost: Human-driven climate change is to blame for extreme heat and drought seen in the US, Europe and other regions in recent years, a top NASA scientist has said.
James Hansen, who directs the NASA Goddard Institute for Space Studies, added in a Washington Post editorial that even his "grim" predictions of a warming future, delivered before the US Senate in 1988, were too "optimistic."
"I have a confession to make: I was too optimistic," Hansen wrote.
"My projections about increasing global temperature......
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Climate change to blame for worsening summer heat, drought, NASA scientist says
Posted by Washington Post: Juliet Eilperin on August 4th, 2012
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