Our Work

Recommended
Best Practices

Five Principles of Lighting
Acceptable Fixtures
Shielding

Many existing lights are not adequately shielded.

darksky.org/lighting-basics
Lighting on Your Property
Home Lighting Assessment

See darksky.org for more.

darksky.org/residential
Four Recommendations

Shielding, color, intensity, timing.

IDA Fixture Seal of Approval

Packages show this seal, which indicates that the fixture meets the IDA's recommendations.

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Join the International Dark-sky Association

IDA members with a Colorado mailing address are automatically part of the Colorado chapter. 

Colorado chapter members get a monthly newsletter and other benefits.