Abrupt Climate Change Occurred Worldwide 5,200 Years Ago.

December 31, 2004  Columbus, Ohio - As we move into the New Year of 2005, our planet is giving many signals that big ­ and perhaps very sudden ­ climate changes are facing us in the foreseeable future. On December 16th, at the American Geophysical Union meeting in San Francisco, Distinguished Professor Lonnie Thompson from the Geology Department and Byrd Polar Research Center at Ohio State University, presented evidence that the ice in the world's glaciers is melting rapidly and he is finding surprises in the melting glacial ice.