How to reduce light pollution, an underestimated threat to our environment


There is so little artificial light in Flagstaff that you can see the Milky Way from downtown. The city has banned sweeping searchlights, required outdoor light to be shielded downwards, and switched illumination on all roadways and parking lots to low-pressure sodium lights. Annual “star parties” and other events keep residents committed to reducing light pollution, which has big impacts on human and animal health.

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