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May 23, 2002

Running Time: 0:39:28
Format: RealAudio (Requires free RealPlayer)

Nearly 85 percent of the 29 million gallons of petroleum that enter North American ocean waters each year as a result of human activities comes from land-based runoff, polluted rivers, airplanes, and small boats and jet skis, while less than 8 percent comes from tanker or pipeline spills, says a new report from the National Academies' National Research Council. Oil exploration and extraction are responsible for only 3 percent of the petroleum that enters the sea. Another 47 million gallons seep into the ocean naturally from the seafloor.

Nancy N. Rabalais, Professor, Louisiana Universities Marine Consortium, Chauvin and Member, Committee on Oil in the Sea: Inputs, Fates, and Effects.