Category: About DarkSky | Page 13 | DarkSky International

Light pollution in New York City. Photo by Jim Richardson.

Be Part of the Global Debate On LEDs

LEDs

For the past five years, IDA has sounded the alarm about the environmental and health impacts of blue-rich white …

June 22, 2016

Act Now to Preserve the Grand Canyon Area Night Skies

Get involved

We need your help! You’ve probably heard the exciting news that Grand Canyon National Park has been designated a …

June 8, 2016

Joshua Tree National Park at sunset with cactus in foreground.

Return Eagle Mountain Lands to Joshua Tree National Park!

Get involved

International Dark Sky Association Alert Take Action by May 27, 2016! A sample letter is provided below. In October …

May 19, 2016

Arizona E-Billboard Expansion Defeated

Outdoor Lighting

We are pleased to announce the defeat of Arizona House Bill 2507, which would have expanded the allowable range …

March 15, 2016

A starry night sky with a cactus in the foreground at Joshua National Monument.

Help Protect the California Desert’s Night Skies

Get involved

The dark night skies of the California desert, one of the most unique and pristine places in the United …

October 28, 2015

Take Action to Prevent ‘Projecting Change’ in NYC

LEDs

A planned outdoor light projection event this Saturday, August 1, will bathe New York City’s iconic Empire State Building …

July 31, 2015

Careers

About

Position summary DarkSky International seeks a detail-oriented and proactive Development Associate to support our fundraising and operational efforts.

August 19, 2026

Satellite antenna array under the Milky Way

Scientific research into light pollution

What we do

Light at night and the various forms of light pollution have measurable effects on humans, nighttime ecosystems, and more. …

July 6, 2026

Terms of use

About

DarkSky’s website terms of use, covering photo and logo use, etc.

September 26, 2025

Join our email list

Call to Action

Join our email list to get news and updates delivered directly to your inbox. You can unsubscribe at any …

June 28, 2023

DarkSky publications

Resources

Publications produced by DarkSky International.

July 26, 2023

Two people stand beside a camera tripod under a starry sky in Iceland as the faint green glow of the aurora borealis appears above distant mountains. A bright vertical beam of artificial light rises into the sky nearby, illustrating the contrast between natural darkness and light pollution.

Measuring light pollution

Get involved

Solving light pollution requires measuring the brightness of the night sky. Learn how — become a community scientist!

July 5, 2026