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Lights Out!

Every year, billions of birds migrate in the spring and fall, mostly flying in the dark and navigating by the night sky. And every year, tens of thousands of these birds die along the way from disorientation and collisions caused by artificial lights and what the International Dark-Sky Association calls “skyglow” — “the brightness of the night sky in a built-up area as a result of light pollution.”

To address the impacts of light pollution on bird migration, the Audubon Society launched a program called Lights Out.


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