Request for resources
DarkSky members in the U.S. can request free printed brochures.
Who we are
Advocates
2,000+ volunteer Advocates around the world protect the night sky using education, advocacy, retrofits, community science, and more.
Delegates
Your local points of contact in 30+ countries.
What we do
International Dark Sky Places
We certify and help conserve starry sky parks, communities, and other places around the world.
DarkSky Approved lighting
We certify commercial, industrial, and residential outdoor lighting that reduces light pollution.
Advancing responsible outdoor lighting
We work with communities, governments, and professionals to prioritize night sky protection and quality outdoor lighting.
Light pollution education
We inform the public how excessive artificial light can harm humans, wildlife, and our climate.
Get involved
Attend the Global Conference
Meet DarkSky Advocates from around the world and learn effective techniques.
Find your local chapter
Regional groups all over the world can help you plug in to the dark sky movement.
Join the Advocates Network
DarkSky Advocates make positive change in the fight against light pollution.
More
What is light pollution?
Light pollution is the human-made alteration of outdoor light levels from those ocurring naturally. It has harmful effects on:
Causes of light pollution
Streetlights, greenhouses, and satellites are mong the many sources.
Five Principles for Responsible Outdoor Lighting
By applying these principles, properly designed lighting can be beautiful, healthy, and functional.
Guides and How-tos
What you need to know to: choose better outdoor lighting, pass a lighting ordinance locally, and much more.
Lighting ordinances
When citizens band together to enact local legislation, light pollution advocacy can make great strides.
News
About DarkSky International
Mission
DarkSky works to restore the nighttime environment and protect communities and wildlife from light pollution.
Our strategy
A bold new plan to slow the growth of light pollution and begin to reverse it.
Success stories
The dark sky movement is bursting with many successes, starting with 1958’s first-ever dark sky legislation.
History
We’ve come a long way in 30+ years, growing from a small Arizona-based nonprofit into the world’s leading authority on light pollution.
Donate / renew your membership
Sustaining membership
Become a Nighthawk — A monthly membership is the most sustainable way to support DarkSky.
Shop DarkSky
Show your love for starry skies! Our shop features exclusive T-shirts, hats, hoodies, mugs, and more.
Search
Dark Sky Places
Find a stunning night sky experience near you.
Search Dark Sky Places
Certified lighting
Find responsible lighting for your outdoor project.
Search certified lighting
Full site search
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