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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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In a worst case scenario, Chu said, up to 90% of the Sierra Nevada snowpack could disappear, all but eliminating a natural storage system for water vital to agriculture as well as cities. ºF) above pre-industrial levels as well as the long-term stabilization of greenhouse gases at a 350 ppm CO2 equivalent.

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