Here's a passage from the washington post url you posted that particularly grabbed me
http://www.washingtonpost.com/wp-dyn/content/article/2006/01/28/AR2006012801021.html?referrer=emailScientists who read the history of Earth's climate in ancient sediments, ice cores and fossils find clear signs that it has shifted abruptly in the past on a scale that could prove disastrous for modern society. Peter B. deMenocal, an associate professor at the Lamont-Doherty Earth Observatory of Columbia University, said that about 8,200 years ago, a very sudden cooling shut down the Atlantic conveyor belt. As a result, the land temperature in Greenland dropped more than 9 degrees Fahrenheit within a decade or two.
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And here are some snips I made from a Nov. 30, 2005 Reuters article. I've been hearing of unusually cold temperatures in Moscow and much of Russia in the news. I've also heard some AirAmerica host say it is the coldest winter in a long time (I forgot in how long she said) in Europe. I wonder if it could be that the Gulf Stream is weaker than it used to be? A 30% drop in 12 years is pretty slow, though isn't it? Its not? Ummm....
Atlantic Conveyor slowed down 30% in last 12 years. - Reuters, 11/30/05
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(Snips of it here and there)
The Atlantic Conveyor, a life-giving ocean current that keeps northern Europe warm, is slowing down, scientists said on Wednesday.
If the 30 percent slowdown seen over the past 12 years is not just a blip, temperatures in northern Europe could drop significantly, despite global warming, they added.
... The Hadley Center for Climate Prediction and Research has calculated that if the current stopped, temperatures in northern Europe could drop by up to six degrees centigrade in 20 years.
The latest figures, collated last year, are from a string of monitoring devices at various depths in the Atlantic from Morocco to Miami.
It was the fifth snapshot since 1957 taken in the same area of the temperatures and currents in shallow, mid and deep ocean.
While measurements in 1981 and 1992 had shown little change, those in 1998 and 2004 had shown a major shift, with less of the warming Gulf Stream getting up to Greenland and less of the cold, deep returning current coming back.
AP: Researchers at the National Oceanography Centre at Britain's University of Southampton monitored the flow of the main circulatory system in the central Atlantic.
"If the conveyor belt continues to slow right down, a drop of 4 C (7.2 F) in the average annual temperature in northwestern Europe could happen," says Meric Srokosz, a science coordinator at Britain's Natural Environment Research Council (NERC), which oversaw the research