When the levees fail
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Flood victims are rescued in New Orleans. Credit: Federal Emergency Management Agency
"A hard rain's gonna fall..." So the Dylan song went... but when rain and storm surges fall on lands protected by weak levees, this means trouble…big trouble. Hurricanes Katrina and Rita were devastating reminders of this frightening fact. How then can we limit trouble when a levee breaches or, better yet, prevent such a break from ever happening again?
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