Prepared by the Hurricane Katrina Assessment Ports, Harbors, and Marine Team of the Coasts, Oceans, Ports, and Rivers Institute of ASCE. This report assesses the impact of Hurricane Katrina upon coastal, port, harbor, and marine infrastructure, including levees, in the states of Louisiana, Alabama, and Mississippi. This comprehensive evaluation also offers lessons learned for the protection of existing natural coastal barriers, re-establishment of lost natural coastal barriers, and design of future coastal infrastructure to withstand storm events of Katrina's magnitude. An enlightening read, this book will be of interest to coastal engineers and anyone involved in natural disaster management and prevention.