International Dark-sky Association
The Colorado chapter promotes better lighting practices.
Below: Slumgullion Center, a Colorado Dark Sky Park, Michael Underwood photo.
Tools for Advocates
IDA Colorado Calendar
IDA Colorado Newsletter Archive
IDA Colorado News
Recommended Links for Advocates
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.