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Light pollution is the human-made alteration of outdoor light levels from those ocurring naturally. It has harmful effects on:

Find news, events, volunteer opportunities, and more.

Find responsible lighting for your outdoor project.

Find a stunning night sky experience near you.
Together, we can preserve the nighttime environment and keep the stars shining bright.

Join our growing network of official DarkSky Advocates—passionate volunteers around the world working to reduce light pollution and protect the night.
Whether it’s replacing lights at home or championing dark sky-friendly policies at the local or regional level, DarkSky Advocates are at the heart of a global movement to preserve dark skies in their communities and beyond.
Search our growing list of DarkSky Approved products for your home or community.
When looking for outdoor light fixtures, whether online or in a retail store, be sure to look for the DarkSky Approved logo: the trusted industry standard for quality outdoor lighting that protects the night.


Help protect the night—your donation supports a future where the stars shine bright.
By giving to DarkSky International, you power programs and initiatives proven to make a difference, from the International Dark Sky Places program to advancing dark sky-friendly lighting policies in communities worldwide. Your support makes it all possible. Your donation also makes you an official DarkSky member, unlocking special member benefits.

DarkSky has certified more than 200 Places since Flagstaff, Arizona, was named the first International Dark Sky City in 2001.
There are now over 160,000 square kilometers of protected land and night skies in 22 countries on 6 continents, and the list grows every year as new places achieve certification.
200+
Dark Sky Places around the world
22
Countries represented
160,798+
Square kilometers of protected land and night sky