NOVA: Bring me back: Katrina comes through Florida and starts making its way across the Gulf. Here at the Hurricane Center at LSU [Louisiana State University], what do you do? VAN HEERDEN: Early ...

Long before Hurricane Katrina, most experts knew the city of New Orleans was vulnerable. Situated up to 3.7 meters (12 feet) below sea level, between a lake and a river, and on the hurricane-prone ...

It was almost exactly a year ago. Mark Murphy and his wife had volunteered to help clean up a rocky beach near their home in Digby Neck, Nova Scotia. There’d been a storm, and the shoreline was ...

Paul Pearce, PhD, president of Nova Biologicals Inc., has tested the floodwaters in New Orleans for chemical and sewage levels at the request of ABC television, he said. The samples were picked up ...