Resources

DarkSky outreach materials

Resources

DarkSky Advocates and Members in the U.S. can request free printed materials.

May 19, 2026

International Dark Sky Week resources

Resources

International Dark Sky Week draws attention to the widespread environmental impacts of light pollution and promotes simple solutions to …

April 3, 2016

Infographics

Resources

Visual methods help people understand the complex issues of light pollution.

July 25, 2023

How to conduct a night sky quality survey

Resources

Read this page to learn how to take quantitative and quantitative assessments of night sky quality and track the …

November 15, 2024

Lighting zones

Resources

“Lighting zones“ (LZ) reflect the base (or ambient) light levels desired by a community. The use of lighting zones …

July 23, 2023

Glossary

Resources

A glossary of terms used throughout this site to describe lighting and its effects.

May 7, 2025

Software and mobile apps

Resources

Software and mobile apps can help us appreciate the night sky, measure light pollution, and much more.

December 2, 2025

Useful links

Resources

Some of the tools and sites we use from our partners, friends, and colleagues.

June 12, 2026

Videos

Resources

Enjoy watching some of our favorite videos on light pollution. For more videos on light pollution visit our YouTube …

February 24, 2026

DarkSky publications

Resources

Publications produced by DarkSky International.

July 26, 2023

Materials for public outreach

Resources

Download and distribute these free brochures, cards, infographics, videos, and more.

May 19, 2026

Measuring light pollution

Get involved

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

July 21, 2023