WASHINGTON - Weighing in on the highest profile debate about global warming, the nation's premier science policy body on Thursday voiced a "high level of confidence" that Earth is the hottest it has been in at least 400 years, and possibly even the last 2,000 years.
A panel convened by the National Research Council reached that conclusion in a broad review of scientific studies, reporting that the evidence indicates “recent warmth is unprecedented for at least the last 400 years.”
The panel of top climate scientists told lawmakers that the Earth is running a fever and that “human activities are responsible for much of the recent warming.”
“There is nothing in this report that should raise any doubts about the broad scientific consensus on global climate change.” - Rep. Joe Barton, R-Texas, House Energy and Commerce Committee chairman.
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