Climate scientist Chip Knappenberger takes as his baseline the IPCC’s assumptions about temperature change due to Global Warming under a “Business As Usual” (BAU) scenario. For the sake of argument, he gives these numbers the benefit of the doubt, despite many questions about their accuracy.

From there, his calculations lead him to question whether a massive, economy-killing Global Warming bill like that proposed by Sens. John Kerry, D-Mass., and Joe Lieberman, ID-Conn., will even do anything to save the planet:

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