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One scientist connects the dots between an aquatic dead zone in the Gulf of Mexico and fertilizer runoff from farms hundreds of miles up the Mississippi River.
Fertilizer runoff from farms in the Corn Belt is contributing to a growing marine dead zone in the Gulf of Mexico. Host Steve Curwood talks with scientist Don Scavia of the University of Michigan. Professor Scavia thinks he knows how to stop the dead zone…with a little help from the 2007 Farm Bill.