Earth Hottest It’s Been in 400 Years or More, Report Says

Publication: National Geographic News   Date: June 23, 2006   View Article

The last two decades of the 20th century were the hottest in 400 years and quite likely the warmest for several millennia, a leading U.S. scientific body concludes in a new report.

The National Academies’ National Research Council report also said “human activities are responsible for much of the recent warming.”

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