Hurricane Isaac prepares to test New Orleans
Wednesday, August 29, 2012 - 02:30
in Earth & Climate
Since Katrina, billions have been spent to improve levees, pumps and flood walls. Experts caution that no system can entirely protect the city from a storm.With Hurricane Isaac's arrival, New Orleans will get its first glimpse of the effectiveness of $14.5 billion in improved levees, pumps, flood walls and other protections built after Hurricane Katrina.