Posted: Fri, 19 Feb 2010 06:47 AM - 37,754 Readers

By: Pat Shingleton

I have filed numerous columns on global warming and weather changes, from tree frogs, with skin affected by too much sunlight, to depleted ice sheets in Greenland. Some scientists insist carbon dioxide is speeding the warming process, while climatologists contend it is cyclical. On Thursday, “ABC World News Tonight” reported just four years ago half the nation was running dry. A recent survey shows 92 percent of the  U.S. is drought free, representing the most dramatic turnaround on record. Georgia’s Lake Lanier in 2007 was bone dry; folks were walking on the bottom. Today, the lake may be too full as the U.S. Army Corps of Engineers is monitoring its levels. Lake Travis was empty in 2004; today it’s at bank-full.