Friday, June 30, 2006

Earth hottest now in 400 years, maybe longer

Random Gallery PhotoPhytoplankton and Hydrogen Sulfide off the Coast
Phytoplankton and Hydrogen Sulfide off the Coast
Posted by Ninja T. Penguin
Posted by Alfie
(John Heilprin - Sapa/AP) from United States of America.

Washington - The Earth is the hottest it has been in at least 400 years, perhaps even longer.

The National Academy of Sciences, reaching that conclusion in a broad review of scientific work requested by Congress, reported on 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 warming."

Their 155-page report said average global surface temperatures in the Northern Hemisphere rose about 1 degree Fahrenheit (about half a degree Celsius) during the 20th century.

The report was requested in November by the...
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