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How Much Will the Earth Warm Up? – NYTimes.com

‘Now comes a new entry in the effort to specify the value known as “climate sensitivity,” and it falls on the low side of the existing estimates. The paper, in the journal Science, calculates that a doubling of carbon dioxide will most likely lead to a warming of 4.1 degrees Fahrenheit, though the number could be as low as 3 degrees or as high as 4.7 degrees.’

via How Much Will the Earth Warm Up? – NYTimes.com.