Saturday, February 20, 2010

The Perils Of Politicized Science

Newsweek breaks the wall of silence? Sort of.

One of the most impressive visuals in Al Gore's now famous slide show on global warming is a graph known as the "hockey stick." It shows temperatures in the Northern Hemisphere rising slowly for most of the last thousand years and turning steeply upward in the last half of the 20th century. As evidence of the alarming rate of global warming, it tells a simple and compelling story. That's one reason the U.N.'s Intergovernmental Panel on Climate Change included the graph in the summary of its 2001 report. But is it true?

The question occurred to Steven McIntyre when he opened his newspaper one morning in 2002 and there it was—the hockey stick. It was published with an article on the debate over whether Canada should ratify the Kyoto agreement to curb greenhouse-gas emissions. McIntyre had little knowledge of the intricate science of climate change; he didn't even have a Ph.D. He did have a passion for numbers, however. He also had some experience in the minerals business, where, he says, people tend to use hockey-stick graphs when they are trying to pull one over on you. "Reality usually isn't so tidy."


Read it all and you should have this question in your heart: How can Newsweek simultaneously confess that the science is corrupt, but the conclusions are correct? Only a leftist could manage that.

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