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Unformatted text preview: cing in my opinion."
She also told the New York Times: "I was invited to be a co-author on the new paper. I declined. I gave them my review of the
paper, which was highly critical. I don't think this new paper adds anything to our understanding of attribution of the warming."
The Berkeley Earth project studies have not yet been published in peer reviewed scientific journals, but the team has submitted
them to the Journal of Geophysical Research: Atmospheres.
Prof Michael Mann, director of the Earth Science System Center at Penn State University, said that there was "a certain ironic
satisfaction" in seeing a study funded by the Koch Brothers "demonstrate what scientists have known with some degree of
confidence for nearly two decades: that the globe is indeed warming, and that this warming can only be explained by humancaused increases in greenhouse gas concentrations".
Prof Muller, meanwhile, describes his own change in standpoint as "a total turnaround".
He explained: "These findings are stronger than those of the Intergovernmental Panel on Climate Change [IPCC], the United
Nations group that defines the scientific and diplomatic consensus on global warming."
The University of California physics professor added: "I hope that the Berkeley Earth analysis will help settle the scientific debate
regarding global warming and its human causes.
"Then comes the difficult part: agreeing across the political and diplomatic spectrum about what can and should be done."
Sceptical blogger Anthony Watts criticised elements of the team's findings, releasing details of his own analysis which claims to
show that US temperature trends in recent decades show "spurious doubling". More Science & Environment stories Ebola confirmed in Uganda capital
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