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Science 4 January 2002:
Vol. 295. no. 5552, pp. 29 - 31
DOI: 10.1126/science.295.5552.29a
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News of the Week

CLIMATE CHANGE:
Reducing Uncertainties of Global Warming

Richard A. Kerr

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.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)