ALAN Resource Library

Explore these resources to learn more about the sources, impacts, and what you can do to reduce ALAN and restore dark skies.

ALAN-01: A Threat to Salmon

An introduction to artificial light at night and its impacts.

ALAN-02: What are the Effects of Light Pollution?

An overview of how light at night affects animals, our environment, and us.

ALAN-03: Addressing Skyglow

A focused resource on the effects and reduction of ambient light pollution.

ALAN-04: Addressing Light Trespass

A focused resource on the effects and reduction of direct illumination light pollution.

ALAN-05: How Can You Protect the Night Sky?

An overview of tips and techniques for reducing light pollution and preserving, protecting, and restoring the dark sky.

ALAN-06: Dark Sky Model Code Ordinance

A resource about tools and precedent for promoting dark skies and reducing ALAN through regulations.

DarkSky International

A global resource promoting dark sky conservation through education and advocacy.

Salmon Friendly Lakes

A local program promoting nearshore restoration of salmon habitat in Washington’s lakes through technical assistance, grants, and education.

ALAN-07: Action Plan!

Suggestions for how to move forward with your own lighting code updates.

We’re All Healthier Under a Starry Sky

An article canvasing ill health effects of excessive light at night.

States with Light Pollution Laws

A resource describing which states have light pollution laws.

BirdCast

Mapping of nocturnal bird migration across the USA.

USGS Research

An overview of Western Fisheries Research Center’s ongoing ALAN study.

The ALAN toolkit is sponsored by the King Conservation District with funding support from Water Resource Inventory Area 8.

In partnership with project sponsors, Facet is providing technical assistance to municipalities, agencies, Tribes, and other organizations who are committed to reducing artificial light at night through regulatory and policy changes.

If you are an organization that is interested in learning more about how ALAN affects your community and how to mitigate its effects, please click the link below to request a consultation call.

ALAN Interest Contact Form

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