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  The heat is on - A new analysis of the temperature record leaves little room for the doubters. The world is warming
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Last EditedRP  Oct 20, 2011 07:17pm
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MediaNewspaper - Economist (The)
News DateSunday, October 23, 2011 01:00:00 AM UTC0:0
DescriptionMarshalled by an astrophysicist, Richard Muller, this group, which calls itself the Berkeley Earth Surface Temperature, is notable in several ways. When embarking on the project 18 months ago, its members (including Saul Perlmutter, who won the Nobel prize for physics this month for his work on dark energy) were mostly new to climate science. And Dr Muller, for one, was mildly sceptical of its findings. This was partly, he says, because of “climategate”: the 2009 revelation of e-mails from scientists at CRU which suggested they had sometimes taken steps to disguise their adjustments of inconvenient palaeo-data. With this reputation, the Berkeley Earth team found it unusually easy to attract sponsors, including a donation of $150,000 from the Koch Foundation.

Yet Berkeley Earth’s results, as described in four papers currently undergoing peer review, but which were nonetheless released on October 20th, offer strong support to the existing temperature compilations. The group estimates that over the past 50 years the land surface warmed by 0.911°C: a mere 2% less than NOAA’s estimate. That is despite its use of a novel methodology—designed, at least in part, to address the concerns of what Dr Muller terms “legitimate sceptics”.
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