MIT just updated its seminal 2003 study on the role nuclear power could play in America's energy mix. The upshot: Nuclear power's appeal may have grown due to concern over greenhouse-gas emissions, but that hasn't translated into any real progress in the U.S.

Same as it ever was (AP) "The sober warning is that if more is not done, nuclear power will diminish as a practical and timely option for deployment at a scale that would constitute a material contribution to climate change risk mitigation," the study concludes.

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