Posted by
Average Voter on Sunday, January 27, 2008 8:55:10 PM
Here is a study that was news to me.
Jet contrails over the Southeastern U.S
Some U.S. scientists came to the conclusion a few years back that the two days flights were grounded after 9/11, day and night temperatures went up 1.5 degrees celsius. Now some researchers are studying the data and don't see the evidence.
The lead researcher on the original U.S. study told the Star that the negative results from Canada don't necessarily undermine his group's findings. "It's possible that Canada simply doesn't have a high enough density of jet traffic for contrails to make any difference," said David Travis, a geography professor at the University of Wisconsin in Whitewater.
Your hard earned tax dollars at work!