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:
reduce light pollution
conserve energy
enhance human health & the environment
support sound economic development
preserve and protect the night environment while protecting dark skies for today and tomorrow
From its grassroots efforts to research initiatives to seminars and publications, IDA is maximizing its support to meet our common goals.
Learn more about additional ways to help protect and preserve the nighttime environment and promote effective outdoor lighting.
If you have problems joining or renewing online using our new system, please contact us at + 1 (520) 293-3198 or ida@darksky.org and we will be happy to process your request over the phone or assist you with the newonline membership form.
Corporate Sponsorships are available for manufacturers, design and construction firms, suppliers, and other businesses. Contact IDA for more information or call 520-293-3198.
Benefits to you
One year subscription to IDA's award-winning publication, Nightscape
Access to valuable resources in the Members Only section of the Web site
Significant discounts on IDA material, merchandise, conferences, events, and more
Display decal for your home or automobile
Opportunities to participate in local IDA Chapter activities
Delivery of IDA e-News directly to your e-mail inbox