The oceans have been used as the dumping grounds for all manner of toxic waste. Outrage over such dumping led to the Marine Protection, Research, and Sanctuaries Act of 1972 in the United States and the London Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter in 1975. Today I discuss the dumping of DDT and other wastes off the coast of Southern California with Dave Valentine. Dave completed a BS in chemistry and biochemistry at the University of California San Diego in 1995, followed by an MS in chemistry also at UCSD the following year. He then completed MS and PhD degrees in earth system science at the University of California Irvine in 1998 and 2000. Dave is now the Norris Presidential Chair in Earth Science at UC Santa Barbara. He has participated in 25 oceanographic expeditions, including 13 as chief scientist.

Episode 56. Marine Pollution: David Valentine

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