Why U.S. rivers have changed colors
Why U.S. rivers have changed colors

Why U.S. rivers have changed colors

FOX 13?s meteorologist Dave Osterberg ? a.k.a Dave-O the Science Pro ? discusses a new study that found a third of U.S. rivers have changed color since the 1980s and humans are largely to blame. He?s also got some interesting news on the pre-historic sharks, megalodons.

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