Safe drinking water gets harder to tap
Water is the subject of a new book called "Blue Planet Run." Kai Ryssdal talked with its author and photographer Rick Smolan about how so much of the water we do have is polluted and unusable.
Foul-smelling water mixed with coal runs from Kenny Stroud's faucet in Rawl, W.Va. For years, residents of the Appalachian coal-mining town have had to rely on water trucks and deliveries for clean water. (Melissa Farlow/From Blue Planet Run)
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