There are three easy ways to join:
||Mailing Address||IDA International Headquarters
3223 N. First Avenue
Tucson, Arizona 85719
Welcome to IDA!
Thank you for your interest! Join IDA and be welcomed into a family of dedicated individuals, organizations, and companies committed to protecting and preserving the nighttime environment
The International Dark-Sky Association, with your support, helps to:
Learn more about additional ways to help protect and preserve the nighttime environment and promote effective outdoor lighting.
Benefits to you
Geoffrey Notkin from the Science Channel's "Meteorite Men" speaks on the importance of dark skies.