Stop hyperventilating, all you climate-change deniers. The purloined e-mail correspondence... does not prove that global warming is a fraud.  If I'm wrong, somebody ought to tell the polar ice caps that they're free to stop melting.Eugene Robinson in The Washington Post. A picture is worth a thousand emails and pictures of the polar ice caps show a 20% decrease since 1979.  Katie Couric in her Notebook. Source:  University of Illinois, Polar Research Group.Hoven's Index for March 19, 2010Global warming rate, from 1850 to 2000:  0.5 degrees Celsius per centurySea level rise rate, from 1870 to 2000:  14 centimeters (5.5 inches) per century"Best estimate" of temperature rise over next century:  1.8 to 4.0 degrees CelsiusPredicted sea level rise over next century:  18 to 59 cm (7 to 23 inches)Source:  The UN International Panel on Climate Change, 2007 report.Average temperature difference between Memphis and Knoxville, TN:  4.7...(Read Full Post)