Outdoor Lighting

Our positions and statements

Astronomy

DarkSky’s positions and statements address critical issues related to light pollution and dark skies, guiding our priorities, communications, advocacy …

December 17, 2025

Retrofit Gone Right: Q&A with Tim Brothers

News

Get to know Vice President of IDA Massachusetts, Tim Brothers — an observatory manager who successfully advocated for and …

August 29, 2022

International Dark Sky Places program advocacy — A review of 2020–2021 Annual Reports

News

International Dark Sky Place advocates showcase a diversity of creative and engaging ways to promote the dark-sky movement in …

June 3, 2022

Register Now for the Responsible Outdoor Lighting at Night Conference (ROLAN 2022)

News

ROLAN 2022 is a two-day online conference taking place May 12-13, 2022 with live panel discussions about the topic …

March 30, 2022

Fixture Seal of Approval Program Expands Global Presence

News

Over the last few years IDA’s Fixture Seal of Approval Program has made significant progress including 12 companies around …

May 19, 2021

A Values-Centered Approach to Nighttime Conservation

News

IDA’s Board of Directors adopted a Policy implementing the Five Principles for Responsible Outdoor Lighting on January 28, 2021. …

March 23, 2021

Report from Tokyo: The Great Achievement of a Small Island

News

Before and after of the lighting retrofit in Kozushima, Japan with aim of becoming an International Dark Sky Place.

November 30, 2020

Experiment uses smart city lighting to measure streetlight emissions

News

When satellites take pictures of Earth at night, how much of the light that they see comes from streetlights? …

October 28, 2020

It’s Earth Day! Is your home lighting nature, neighbor and night sky friendly?

News

What better way to celebrate Earth Day (and Night!) than by making your home dark sky friendly?

April 22, 2020

Women and Girls in the Dark Sky Movement

News

February 11th is the International Day of Women and Girls in Science, a day to celebrate the incredible contributions …

February 10, 2020

What Does Lettuce Have To Do With My Night Sky?

News

by John C. Barentine, Ph.D. Director of Public Policy Residents of cities in towns in North America and Europe …

February 6, 2020

Sahuarita Town Council Receives Certificate of Recognition from International Dark-Sky Association

News

Sahuarita, AZ – The Sahuarita Town Council was recognized yesterday evening by the International Dark-Sky Association (IDA) for Innovation …

October 15, 2019