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Larry's Environmental Issues Blog

By Larry West, About.com Guide to Environmental Issues since 2005

Did Global Warming Cause Hurricane Katrina?

Sunday September 25, 2005
The devastation created by Hurricane Katrina, following the four hurricanes that swept the Gulf states in 2004, has left many people wondering whether there is a cause-and-effect relationship between global warming and hurricanes.

While scientists generally agree that increases in atmospheric and surface temperatures eventually would lead to more frequent and severe storms, they are divided in their assessment of whether current climate changes are behind the recent hurricanes. Meanwhile, Hurricane Katrina may have created an environmental disaster of another kind in New Orleans and the surrounding area.

Comments

May 16, 2007 at 2:44 pm
(1) miss pooh-pooh says:

i think that they should keep this on here

August 29, 2007 at 1:49 pm
(2) Bob Brenzel, Sr says:

Why raise a hypothisis already disproved by 2006 Huricane Season in Atlantic. Global warming for recent years has been unrelenting. Huricane seasons up and down back to back years shows other variables control not warming. What other “science” is so poorly supported by emperical facts?

August 29, 2007 at 2:55 pm
(3) environment says:

Bob,

As long as a significant number of climate scientists continue to study and debate this question, I’ll continue to provide information about their inquiries and conclusions. That seems entirely reasonable to me.

Larry

January 21, 2008 at 5:19 pm
(4) Emily says:

What was the cause of Hurricane Katrina

September 24, 2008 at 10:30 am
(5) Skeptic says:

Hurricane Katrina was a Category 3 hurricane at landfall, so it was certainly not the biggest - or most powerful - hurricane to strike the mainland United States. The problem with Katrina was due to the intense flooding which occurred due to New Orleans being below sea level in addition to levees that wouldn’t hold the water back out of the city.

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