Yellowstone’s Thermal Pools Changing Colors Due To Tourist Pollution

December 21, 2014 7:56 PM

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Yellowstone National Park is famous for its beauty, and its unusual hydrothermic activity. The geysers like Old Faithful have made it famous for generations, and its thermal pools have captivated tourists with their beauty. Scientists have begun to determine that these famous thermal pools are changing their colors over time, and the catalyst is pollution from the tourists coming to visit them.

Yellowstone is a massive national park, that the US National Park Service maintains across the states of Idaho, Wyoming, and Montana. It was officially America’s first national park, and has been protected by the government since its establishment in 1872. Over time the park has drawn many respectfu...

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