Trailer for the new documentary Big River.

Following up on their Peabody-winning documentary King Corn, Ian Cheney and Curt Ellis are back for a new adventure in America's agribusiness underbelly. This time they're following the runoff that leaves their acre of corn, on a journey that takes them from heartland cancer clusters to a hypoxic dead zone in the Gulf.

Visit bigriverfilm.com for more information.

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