How You Can Help 

Become a member of the International Dark-Sky Association

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 new online membership form.

You may also download and mail a new membership form.

Join IDA today

 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. 

Corporate Sponsorships are available for manufacturers, design and construction firms, suppliers, and other businesses. Contact IDA for more information or call 520-293-3198.

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 in the Contribute section.

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 Section activities
• Delivery of IDA e-News directly to your e-mail inbox

If you prefer, you may also give by mail or phone:

International Dark-Sky Association
Attn: Membership/Donations
3225 N. First Avenue

Tucson, AZ 85719 USA

Phone: 520-293-3198

Any questions?
Please ask us!