Author: Mark Bult

Frequently asked questions about International Dark Sky Places

Resources

The International Dark Sky Places program is an independent, third-party review and certification of outstanding dark sky conditions and …

August 25, 2023

Causes of light pollution

Causes of light pollution

Light pollution is a problem, but there’s no single country, group, or industry to blame. Instead, it’s a result …

July 31, 2023

Effects of light pollution

Effects of light pollution

Light pollution negatively affects…

October 13, 2023

Advancing responsible outdoor lighting

Advancing responsible outdoor lighting

DarkSky advances responsible outdoor lighting through policy positions, public education, scientific research, partnerships, and more.

June 24, 2025

Under One Sky 2025

What we do

An annual virtual conference of dark sky advocates and supporters from around the world.

November 14, 2025

What is light pollution?

Causes of light pollution

Light pollution is the human-made alteration of outdoor light levels from those occurring naturally. When we over-light, fail to …

October 4, 2024

Nightscape #111 · March 2023

News

We are delighted to bring you the digital version of the March 2023 Nightscape magazine, which includes: You can …

March 15, 2023

Colophon / imprint

About

Publisher DarkSky International Content DarkSky staff Lauren Scorzafava, communications associate emeritus Various contributors Project Management Mark Bult…

July 26, 2023

Who we are

Who we are

The champions of the dark sky movement, Advocates and Delegates make up a global network of volunteers educating the …

September 9, 2023

What we do

What we do

Founded as the International Dark-Sky Association in 1988, DarkSky is the globally recognized authority on light pollution issues and …

July 26, 2023

Nightscape

Nightscape magazine

Nightscape, our award-winning quarterly publication, provides current news about DarkSky and night sky protection, as well as in-depth articles …

November 14, 2025

Check out the Newly Redesigned Nightscape Magazine!

News

We are delighted to bring you a sneak-peek of the digital version of the newly redesigned Nightscape magazine, Summer …

September 20, 2021