2011-06-09 22:06:26Heat gripping half of US expected to last for days -- AP
John Hartz
John Hartz
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Heat gripping half of US expected to last for days is the title of an in-depth AP article published in today’s (June 9) edition of our local (Columbia, SC) newspaper. 

Key paragraphs from the article:

At Stanford, Noah S. Diffenbaugh and Martin Scherer analyzed global climate computer models and concluded that by midcentury, large areas of the world could face unprecedented heat. They said the coolest summers will be hotter than the hottest ones of the 1900s.

Global warming in recent years has been blamed on increasing concentrations of gases such as carbon dioxide in the atmosphere. The permanent shift to extreme heat would occur first in the tropics and reach North America, South America and Eurasia by 2060, the scientist report in a paper that will be published in the journal Climatic Change Letters.