Feature

Why New Orleans flooded

Hurricane Katrina left 80 percent of New Orleans underwater after wrecking one of the most extensive systems of levees in the country. Why did these barriers fail?

What exactly is a levee?A levee, one of the oldest and most widely used methods of flood control, is simply a raised embankment built along a body of water. Levees are usually made by piling earth, stones, and other

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