30 May 2006

World to be even hotter by century's end

While climate models predict significant global warming by the end of the century, these models don't take into account several poorly understood processes – the extra carbon dioxide pumped out by warmer soils and oceans – that will amplify the warming. Two UC Berkeley and LBNL researchers estimated this effect from past warming cycles and came up with temperatures 3.5 degrees Fahrenheit higher than today's climate models predict.

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