The flooding of New Orleans during Hurricane Katrina on August 29, 2005, was the costliest engineering failure in American history, and one of the deadliest. Local and federal authorities had spent hundreds of millions of dollars to build a comprehensive hurricane protection system for the city; yet, this system failed catastrophically during Katrina. Discover the economic development decisions over two centuries that contributed to the disaster. And, learn how the disaster has stimulated a more sustainable approach to flood protection.