Despite deep chill, global warming is allegedly still a peril
"The major trend is unmistakably one of warming," Michel Jarraud, secretary general of the World Meteorological Organisation (WMO), said.Stagecraft during the hot summer of 1988 - Chris Horner
"If we look at the trajectory over the last 160 [why was this number chosen?] years, it overlays a large natural variability, and that's what causes confusion."
The cooler weather that was a hallmark of 2008 can be explained partly by La Nina, a reversal of the phenomenon by which warm waters build up on the surface of the Pacific, said Jarraud.
"The problem is that people are confusing weather with climate," Susan Solomon, a top scientist on the UN's Intergovernmental Panel for Climate Change (IPCC), said in a recent interview.
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Cold snaps are routinely seized upon by a dwindling rearguard of climate skeptics as "proof" that climate change is exaggerated or an outright fabrication, Jouzel said.
But that is no reason for serious climate scientists to exaggerate either, he added.
"It also up to us to be careful to not say every time we have a hot summer, 'See, it's global warming!'," he said.
DEBORAH AMOS: On Capitol Hill, Sen. Timothy Wirth was one of the few politicians already concerned about global warming, and he was not above using a little stagecraft for Hansen's testimony.
TIMOTHY WIRTH: We called the Weather Bureau and found out what historically was the hottest day of the summer. Well, it was June 6th or June 9th or whatever it was. So we scheduled the hearing that day, and bingo, it was the hottest day on record in Washington, or close to it.
DEBORAH AMOS: [on camera] Did you also alter the temperature in the hearing room that day?
TIMOTHY WIRTH: What we did is that we went in the night before and opened all the windows, I will admit, right, so that the air conditioning wasn't working inside the room. And so when the- when the hearing occurred, there was not only bliss, which is television cameras and double figures, but it was really hot.[Shot of witnesses at hearing]
WIRTH: Dr. Hansen, if you’d start us off, we’d appreciate it. The wonderful Jim Hansen was wiping his brow at the table at the hearing, at the witness table, and giving this remarkable testimony.[nice shot of a sweaty Hansen]
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