Study Says Earth's Temp at 400-Year High Jun 22 11:10 AM US/Eastern By JOHN HEILPRIN Associated Press Writer WASHINGTON The Earth is the hottest it has been in at least 400 years, probably even longer. The National Academy of Sciences, reaching that conclusion in a broad review of scientific work requested by Congress, reported Thursday that the "recent warmth is unprecedented for at least the last 400 years and potentially the last several millennia." A 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...
