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Protection areas for night skies multiply with growing movement

The movement against too much artificial light at night celebrates International Dark Sky Week in April.

The Milky Way and Magellanic clouds above a New Zealand observatory
The Milky Way and Magellanic clouds above a New Zealand observatory (AN/Paul Stewart)

Efforts among international organizations to fend off "light pollution" around some of the world's most pristine night skies have blossomed into a veritable dark sky movement.

The movement celebrates International Dark Sky Week during the first week of April with some recent gains. The European Union has new guidelines to cut night light from road and traffic signals. Germany has its first "dark sky community." Texas has its first "dark sky sanctuary."

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