Can a lighting retrofit in a growing metropolitan city save energy, maintain safety standards, and protect the starry night sky? __ Tucson, Arizona, is a major metropolitan city in the southwest United States. The city… Read more
Leading a Movement: IDA 3-Year Strategic Plan (2019-2021)

Protecting the night sky from light pollution is a critical mission that supports human health and heritage, preserves wildlife habitat, saves money, and provides visual access to celestial discovery for professional and amateur astronomers alike… Read more
Kanab, Utah Preserves View of the Stars with Outdoor Lighting Ordinance

On June 26, 2018, after a two-year citizen-led effort, the Kanab City Council enacted an outdoor lighting ordinance to protect the natural darkness that makes Kane County, Utah, a great place to see stars. Residents… Read more
The Story of Libra Ω

Help us protect night skies by adopting a constellation! Your gift will be matched dollar for dollar through August 3. DONATE NOW TO ADOPT LIBRA The Story of Libra “The Scales” The stars that make Libra used to be viewed as… Read more
Call for Abstracts for the 2018 Annual General Meeting

Looking Up! 30-Years of Dark Sky Advocacy IDA’s 30th Annual General Meeting November 9-11, 2018 | Snowbird, Utah The International Dark-Sky Association is pleased to invite you to the 30th Annual General Meeting which will… Read more
Restless Idealism and the Night Sky

Holiday River Expeditions—a rafting and biking tour outfit in Utah—in partnership with Clark Planetarium, has been digging deeper into the questions of the night sky, and offering a series of “Stargazing” trips during every new moon… Read more
Harvard Law School Student Studies Light Pollution Case Law for IDA

Tucson, AZ — Harvard Law School student, Iris Zhou, performed a three-week internship at IDA Headquarters in Tucson, Arizona where she researched case law related to light pollution. As a part of her internship, Zhou… Read more
Dark Skies Forever Endowment Campaign

Since it was founded in 1988, the International Dark-Sky Association has been an important and necessary voice in conservation around light pollution. With your support, IDA has guided individuals and organizations who are concerned… Read more
Bird Migration Dramatically Altered by High-intensity Urban Light Installation

By: Meg Schader for the International Dark-Sky Association Tribute in Light in New York City projects two beams of light into the sky as an annual memorial to the victims of 9/11. The tribute also… Read more
LEDs In Your Community Webinar

Grassroots supporters from 15 countries joined IDA technical director, Pete Strasser, for a free webinar about LED lights, technology, and how to promote responsible lighting in local communities on August 31. Click here to access… Read more