News alert from Nature:
http://www.nature.com/news/2008/080402/pdf/452508a.pdf
Main article:
http://www.nature.com/nature/journal/v452/n7187/pdf/452531a.pdf
The gist: The IPCC has underestimated the difficulty of stabilizing carbon emissions. In other words, greater technological advances than estimated will be required to reduce carbon emissions. In other words, from a skeptic's perspective, there might be far greater costs to mitigate something that isn't a problem to begin with. From an alarmist's viewpoint, it might be that an already hopeless situation became just that much bleaker.
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