Resources

DarkSky International updates DarkSky Approved Luminaires program to tackle growing light pollution crisis

Press release

Discover DarkSky Approved Luminaires—third-party certified light fixtures that reduce light pollution and support responsible outdoor lighting at night.

April 3, 2025

How to write an annual report for your International Dark Sky Place

Resources

As a condition for continued accreditation of International Dark Sky Places (IDSPs), DarkSky International requires each certified Place to …

November 3, 2025

Frequently asked questions about International Dark Sky Places

What we do

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

August 25, 2023

Guides and how-tos

Resources

July 26, 2023

Causes of light pollution

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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

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Light pollution negatively affects…

October 13, 2023

What renters can do about light pollution

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Renters don’t have as much flexibility as property owners to change their outdoor lighting, but there are still many …

July 5, 2026

What is light pollution?

Resources

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

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

May 21, 2026

Values-centered outdoor lighting

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DarkSky’s board of directors has adopted a policy to inform and guide our ongoing work to protect the night …

July 23, 2023

Neighborhood-friendly lighting: Model guidance for Homeowners Associations (HOAs)

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Homeowners associations can implement effective community standards for outdoor lighting through covenants, conditions and restrictions (CC&Rs).

July 2, 2026

Five Principles for Responsible Outdoor Lighting

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Too often, outdoor electric lighting installations at night are overlit, left on when not needed, and harmful to the …

June 11, 2024