How Engineers Stop Floods

Another storm has come and gone, and New Orleans survived. But the antiquated levees in New Orleans may not withstand the force of a stronger storm. How can we save a city where so many people live below sea level? Seeking solutions, engineers are looking at high-tech flood control systems used in other countries. More:
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^{The Thames Barrier prevents flooding along the Thames River in England. Photo © Jason Walton/iStockPhoto.com}