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

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Jacobson first showed in 2000 that black carbon was the second-leading cause of global warming after carbon dioxide in terms of radiative forcing and, in 2002, that its control would be the most effective method of slowing warming. “ We are not aiming to let anyone off the hook. Canada’s 2009 GHG emissions are 48.7%

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