Eye on Science, Science Blog, Michael D. Lemonick, TIME

July 6, 2006 1:40

Global Warming and Wildfires

Posted by Michael Lemonick | Comments (3) | Permalink | Trackbacks (0) | Email This

Hot, dry weather is pretty much always a big factor in how bad the wildfire season is in the American West. Hotter, dryer weather in that part of the country is one of the predicted effects of global warming. Anyone see some dots to connect here?

A team of scientists at the Scripps Institution of Oceanography and the University of Arizona does. They've published a paper in Science that makes a good case for a warming-fire link that's already measurable. Meticulously cataloging every fire that burned over 1,000 acres between 1970 and 2003--there were more than 1,100 of them--the scientists found that the number of fires every year quadrupled beginning in the late 1980s, when warming first became pronounced. The fires burned an average of five weeks, compared with about a week in the 1970s and early 1980s, and the total area of devastation was about six times greater.

That's bad news for two reasons. First and most obviously, wildfires can be deadly to people and destructive of property. But secondarily, fires destroy plant life, which tends to breathe in the greenhouse gas carbon dioxide. With less forest to absorb excess CO2, more will stay in the atmosphere, which will only accelerate the warming. Which will lead to more wildfires...and so on.

Reader Comments (3)

Stacy:

AWESOME STUFF KEEP UP THE GOOD WORK!!!!

Posted by Stacy | December 12, 2006 8:50 PM

2000:



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Posted by 2000 | July 22, 2008 5:53 PM

lolo Author Profile Page:

thanks ,, this subject is very important .

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Posted by lolo Author Profile Page | August 27, 2008 4:04 AM

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Eye On Science

TIME contributing writer Michael D. Lemonick fills you in on what's hot, what's cool, what's controversial and what's just plain silly in the world of science. Comments encouraged.

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