Starry Sky with Heart

You are important to our organization and we can’t continue with our mission without your support!
Become a Member


For less than $50 per year you can become a member of the IDA family. Your dues help us protect the dark sky for future generations.

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Renew Your Membership

Stargazing Homer Glen IL

Don’t miss out! Renew your membership now to ensure you keep getting timely updates on IDA and night sky protection.

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Your support of IDA’s work puts you at the center of critical night sky conservation initiatives underway across the globe and close to home.

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Monthly Giving

Moonrise over Müritz National Park by Alejandro Sanchez de Miguel

Join the IDA Monthly Moonrise Club and help provide sustained resources needed for IDA to keep the stars shining bright.

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Become a Major Donor


Our Night Sky Protectors are IDA’s leading supporters. Join them in their commitment to night skies.

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Planned Giving

Star trails over the Kannally Ranch House at Oracle State Park, Arizona. Photo by Mike Weasner.

Leave a legacy to IDA and keep the stars burning bright for future generations across the globe.

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Dedicate a Gift


Recognize and honor friends, family members and loved ones with a commemorative gift to IDA.

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Brand Partnerships

The night sky over Goldendale Observatory Park, Washington. Photo by Troy Carpenter.

By sponsoring IDA, your company is helps advocate for responsible lighting and natural night skies.

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Your Money at Work

Your dues and donations help us to:
  • Protect Wildlife and Ecosystems »
    We work with conservation experts and park officials to minimize the ecological impact of artificial lighting in natural areas, protecting habitats and wildlife.
  • Promote Eco-Friendly Outdoor Lighting »
    Our Fixture Seal of Approval program certifies outdoor lighting fixtures that protect the night sky.
  • Recognize and Preserve Dark Sky Places »
    The International Dark Sky Places conservation program recognizes and promotes excellent stewardship of the night sky. We have certified dozens of places worldwide.
  • Foster Education and Outreach »
    We educate communities and public officials about light pollution and provide specific solutions for minimizing its negative effects through our public outreach programs.
  • Assist Parks and Protected Areas »
    IDA helps parks replace their bad lighting by providing eco-friendly options tailored to their budgets, and in some cases for free.

Learn More Reasons to Support IDA

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