News of the WeekClimate Change

Reducing Uncertainties of Global Warming

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Science  04 Jan 2002:
Vol. 295, Issue 5552, pp. 29-31
DOI: 10.1126/science.295.5552.29a

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Climate researchers have so far been unable to say how bad things could get as the world continues to warm. Now in this issue of Science (p. 113), a group of researchers report plugging different combinations of values for fundamental properties of the climate system--such as its sensitivity to the nudge that humans are giving it--into a computer model and looking to see how well the model's output matched long-term observations. The results are mixed.