Our Work

Themes

What is light pollution?

Light pollution

Lighting Best Practices

Best Practices

Public policy

Public policy

Programs

Lights Out Colorado

Jointly sponsored by Audubon Rockies and IDA Colorado

Lights Out Colorado

Dark Sky Places

Officially-recognized Dark Sky Places in Colorado. 

Dark Sky Places

Sirius Star Award

To honor a top contributor to IDA Colorado

Sirius Star Award
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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.