Devdutta "Dev" Niyogi, Indiana state climatologist at Purdue University, tries to dispel such clouds of speculation with cold, hard facts. He said that while climate is undergoing long-term changes, other factors are likely causing the Midwest's weird weather.I don't know of any sane person who is skeptical of "climate change". I do know of lots of people who are very skeptical of catastrophic anthropogenic climate change.
The most likely culprit, he said, is La Niña -- a cooling of the Pacific Ocean that causes a shift in weather over North America every four to six years.
Higher than normal precipitation and temperature extremes "are the swings we expect with a La Niña type pattern," Niyogi said.
"And we're not out of the woods yet," he said. Niyogi said La Niña could bring additional high precipitation this winter, followed by potentially more violent thunderstorms in spring and summer.
"I'm not a climate change skeptic," he said. "I agree there is some degree of climate change occurring. We need to make cause and effect more clear."
Monday, February 18, 2008
Disasters prompt concerns, but experts say worry not
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