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More About Rivers
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Interactive Colorado River Map
Explore one of the most contested and carefully controlled rivers on Earth. See how its diversions, dams, and drought have altered river flow and threaten to change the lives of millions of people.
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Biggest Freshwater Floods
The Mississippi River floods are just drops in the bucket compared to known "megafloods" of the past two million years, experts say.
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Hudson River Fish Evolve Toxic PCB Immunity
Bottom-feeding fish in the Hudson River have developed a gene that renders them immune to the toxic effects of PCBs, according to new research.
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Blog: Why Rivers Need to Flow Again
A new study finds that 86 percent of U.S. rivers are impaired, with many no longer flowing the way they're supposed to—and that's changing the mix of fish and other organisms that call them home.
River Photos
Environment Photos
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Watch Videos
Celebrate RBC's 3-year partnership with National Geographic. Watch videos and test your water IQ!
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Enter Sweepstakes
Explore photos of Montana and enter for a chance to win a trip for two!
