Donate Join

The International Dark-Sky Association works to protect the night skies for present and future generations.

Recent News

IDA 26th Annual General Meeting Program

Embassy Suites Phoenix Scottsdale

November 14 and 15, 2015 | Embassy Suites Hotel Phoenix | Scottsdale, ArizonaRegister Now   Annual General Meeting Schedule and Speakers One Coin ~ Two Sides: Impacts of Artificial Night Lighting on Fish and Wildlife […] Read More

Join us for our 2015 Annual General Meeting

One Coin two Sides-Impacts of Light Pollution to Fish and Wildlife Resources and the Mitigating Role of Emerging Lighting Technologies

The International Dark-Sky Association is thrilled to announce that our 26th Annual General Meeting will be held November 14-15, 2015, in Phoenix, Arizona. This year's conference theme is “One Coin ~ Two Sides: Impacts of […] Read More

Nearing Death Noted Brain Researcher Finds Solace in the Stars

Man gazing up at the Milky Way at Big Bend National Park in Texas.

By Peter Tyson, Editor in Chief of Sky & Telescope Oliver Sacks, the neurologist and author, wrote recently of seeing the night sky “powdered with stars” (in Milton’s phrase) while spending a night in the […] Read More

Lost Creek, Texas, Named Dark Sky Friendly Development of Distinction

Lost Creek, Texas, Named Dark Sky Friendly Development of Distinction Image

AUSTIN, Tex. and TUCSON, Ariz. (24 September 2015) – Despite the urban sprawl of the Austin metro area, some residents experience tranquil moments in the dark nights that still exist at the city’s margins. As […] Read More


Join Our Email List

Get important news, calls to action and other updates delivered directly to your inbox.

Become a Member

For as little as $35 a year you can join us on our mission to protect the natural night sky.

Make a Donation

Your contributions help us continue our programs and increase our public outreach.

Take Action

Learn what you can do at home and in your community to reduce light pollution.

Our Programs

Light Pollution Affects Us All!






How You Can Help

Support IDA

More than half of our annual operating budget comes from our supporters … folks like you! Our generous members and donors are the lifeblood of our organization and are passionate about protecting the night skies.

Learn More

Learn What You Can Do

Our members and supporters are on the ground making a difference every day by spreading the word about light pollution to their neighbors, communities and public officials. You can make a difference, too! Become a leader in night sky protection.

Learn More

Stay Informed

Join our email list and get current news, calls to action, press releases and other important information delivered directly to your inbox. You can unsubcribe anytime.

"It’s important to support the only nonprofit organization whose sole purpose is to combat light pollution and keep the stars bright! I have donated to IDA for years, and I plan to do so for years to come."


Follow Us