How Hot Will the Greenhouse World Be?

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Science  01 Jul 2005:
Vol. 309, Issue 5731, pp. 100
DOI: 10.1126/science.309.5731.100

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How hot the planet gets in coming decades and centuries will depend on just how sensitively the climate system responds to the greenhouse gases we're pumping into the atmosphere. Researchers are finally beginning to tighten up the range of possible sensitivities, at least at one end.