Katrina devastation not unrivaled, analysis finds Chron.com - Houston Chronicle: "Put simply, the devastation wrought by Katrina in 2005 was not unprecedented.

"That's significant in an era when some blame global warming for catastrophic hurricanes. The research concludes that economic damage from hurricanes, after being adjusted, has remained relatively constant during the last century."
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Hmmmmm. Algore should read the article.