Global warming report ominous

BREITBART.COM - Global warming report ominous: "Earth's surface temperature could rise by 4.5 C (8.1 F) if carbon dioxide levels double over pre-industrial levels, but higher warming cannot be ruled out, according to a draft report under debate by the UN's top climate experts.

The draft -- being discussed line by line at the four-day meeting of the Intergovernmental Panel on Climate Change (IPCC) -- grimly states that the evidence for man-made influence on the climate system is now stronger than ever.

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