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Global Warming. It’s So Fucking Irrational!!!
Submitted by Marcus on Sun, 2006-07-30 19:24
A news article from leading scientific Journal "Science", they are depressingly biased in favour of man-made Global Warming, reports on a "House Energy and Commerce Committee" hearing investigating the evidence for man-made climate change (esp. hockey stick).
"The additional data include a half-dozen other reconstructions of temperatures during the past millennium. None is convincing on its own, North testified, but "our reservations should not undermine the fact that the climate is warming and will continue to warm under human influence."
Global Warming. It’s so fucking irrational!!! Grrrrr!!!!
Science 28 July 2006:
Politicians Attack, But Evidence for Global Warming Doesn't Wilt
With hockey sticks in hand, U.S. legislators skeptical of global warming fired shots last week at what has become an iconic image in the debate. But their attack failed to change the outcome of the contest. Instead, scientists and politicians of every stripe agreed that the world is warming and that global warming is a serious issue. They also agreed to disagree about what's causing it.
On one of the hottest days of the summer in Washington, D.C., members of the investigations panel of the House Energy and Commerce Committee cast a cold eye on the so-called hockey stick curve of millennial temperature published in 1998 and 1999 papers by statistical climatologist Michael Mann of Pennsylvania State University in State College and colleagues. In a highly unusual move, the committee's chair, Representative Joe Barton (R-TX), had commissioned a statistical analysis of the contested but now-superceded curve, derived from tree rings and other proxy climate records. Statistician Edward Wegman of George Mason University in Fairfax, Virginia, Barton's choice to review Mann's work, testified that Mann's conclusion that the 1990s and 1998 were the hottest decade and year of the past millennium "cannot be supported by their analysis." An ill-advised step in Mann's statistical analysis may have created the hockey stick, Wegman said.
Because Mann wasn't there to defend himself (he was scheduled to appear at a second hearing this week), Barton bore down on the chair of a wide-ranging study of the climate of the past millennium by the U.S. National Academies' National Research Council (NRC), which also reviewed Mann's work. "No question university people like yourself believe [global warming] is caused by humans," Barton said to meteorologist Gerald North of Texas A&M University in College Station, whose 22 June NRC report concluded that the hockey stick was flawed but the sort of data on which it was based are still evidence of unprecedented warming (Science, 30 June, p. 1854). "My problem is that everyone seems to think we shouldn't debate the cause."
North deflected the charge like an all-star hockey goalie. He said he doesn't disagree with Wegman's main finding that a single year or a single decade cannot be shown to be the warmest of the millennium. But that's only part of the story, he added. Finding flaws "doesn't mean Mann et al.'s claims are wrong," he told Barton. The recent warming may well be unprecedented, he noted, and therefore more likely to be human-induced. The claims "are just not convincing by themselves," he said. "We bring in other evidence."
The additional data include a half-dozen other reconstructions of temperatures during the past millennium. None is convincing on its own, North testified, but "our reservations should not undermine the fact that the climate is warming and will continue to warm under human influence."
North got some unexpected support from Wegman, his putative opponent on the ice. With a couple of qualifiers, Wegman agreed with North that most climate scientists have concluded that much of global warming is human-induced. And North's 12-person committee agreed with Wegman's three-person panel that the record is too fragmentary to say anything about a single year or even a single decade. The only supportable conclusion from climate proxies, the academy committee found, is that the past few decades were likely the warmest of the millennium, a conclusion of Mann's that the Wegman panel did not address. And there's a one-in-three chance that even that conclusion is wrong, North's committee found.
Consensus or not, Barton was unmoved. Scientists in the 1970s were unanimous that the next ice age was only decades away, he said. "It's the same thing" this time around, he warned.
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