This report from Live Science gives an overview of the m assive DDT dumping ground found off the Los Angeles coast, and reports that recent mapping expeditions have revealed that it is bigger than anyone thought.

PBS News Hour This PBS News Hour investigation gives a good overview of the massive underwater toxic waste site off the Southern California shore. Between the 1940s and 1970s industrial companies used the ocean as a dumping ground. Marine scientists have identified over 25,000 barrels, and possibly as many as 100,000 barels, that hey believe contain the toxic chemical"DDT." UC Santa Barbara professor David Valentine, talks about these poisonous barrels.

This PBS investigation discusses the link between the DDT dump site on the sea floor, to the DDT contamination in animals higher up in the food chain, marine mammals and condors. KPBS reporter Katie Anastas says research links DDT to reproductive harm and cancer.

Dr. Shelley Luce, Heal the Bay CEO and President talks about the toxic superfund site lurking below the beautiful waves. She refers to the recent LA Times investigation into an underwater DDT dumping ground near Catalina Island.