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cnnheroes tribute chad pregracke_00022814.jpg

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    CNN Hero cleans up America's rivers

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CNN Hero cleans up America's rivers

Nearly 70,000 volunteers have helped Chad Pregracke remove more than 7 million of pounds of trash from U.S. rivers.

CNN Hero cleans up America's rivers

Nearly 70,000 volunteers have helped Chad Pregracke remove more than 7 million of pounds of trash from U.S. rivers.