Historic drought in the west and water diversion for human use are causing stretches of the Colorado and Mississippi rivers to run dry. "The American West is going to have to need to learn how to do more with less," says Laurence Smith, a river surveyor and environmental studies professor at Brown University. He recently dropped in for a chat with Short Wave co-host Emily Kwong about how scientists are turning a new page on managing two of The United States's central waterways, the Colorado and Mississippi Rivers.

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