Rivers across the U.S. are changing colors. A new study reveals why. – Deseret News

Striking new images reveal that a third of U.S. rivers have significantly changed color from blue to yellow and green, over the last 36 years, The Weather Channel reports.
With help from NASA and the U.S. Geological Surveys Landsat program, a research team led by John Gardner a postdoctoral researcher in the global hydrology lab at University of North Carolina analyzed 235,000 satellite images taken over a 34-year period to compare hue changes in hundreds of rivers across the U.S.
Their findings…

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