Geologist: Sun’s shift could mean global chill 

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Geologist: Sun’s shift could mean global chill
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8 Apr 08 - Fluctuations in solar radiation could mean colder weather in the decades ahead, despite all the talk about global warming, retired Western Washington University geologist Don Easterbrook said Tuesday.

Easterbrook is convinced that the threat of global warming from mankind’s carbon dioxide pollution is overblown.

"Despite all you hear about the debate being over, the debate is just starting," Easterbrook said.

Easterbrook doesn’t deny that the Earth’s climate has been warming slowly since about 1980. But he argued that this warming trend fits a longstanding pattern of warming and cooling cycles that last roughly 30 years. Sunspot activity and other solar changes appear to explain the 30-year cycles, he said.

If that pattern persists, the earth could now be close to the next 30-year cooling cycle, Easterbrook said.

He noted that the 2007-08 winter set records for cold and snow in many parts of the globe.

According to the data he displayed, the Earth’s temperature hit a peak in 1998 and has been steady or slightly cooler since then.

He contended that warming periods appear to match periods of sunspot activity, which currently is at a low point.

Prolonged periods of low activity could lead to a dramatic cooling such as occurred in Europe during the so-called "Little Ice Age," a term loosely used to describe cooler weather in the 14th to 19th centuries, Easterbrook said.

"In three years we’ll at least know the direction we are headed," Easterbrook said. "If we are one degree warmer in 2010 than we were in 2005, I will appear here and eat my words."

See entire article by John Stark in the Bellingham Herald
http://www.bellinghamherald.com/102/story/375112.html
Thanks to Steven Woodcock for this link

 



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