Where the last pristine skies in America are

Read the full story in the Washington Post.

There are precious few places left in the United States where you can still view a “pristine” night sky, according to a new study in the Journal of Environmental Management. Situated far from the glare of city and small town lights, these places offer the same unimpeded view of the cosmos that our ancestors saw thousands of years ago, before electric lighting conquered the darkness.

The study, led by Fabio Falchi of the Light Pollution Science and Technology Institute in Italy, plotted artificial light pollution at the county level in the United States, research that builds on a global atlas that he and others produced in 2016. It also adds to a growing body of research on light pollution, which has been linked to a host of ailments — such as depression, obesity, even cancer — and can confuse wildlife, muddling their sense of direction and migration patterns.

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