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Show your love for the Sky Islands and help support our work, including our current campaign to protect our dark skies. With your gift today, you’re standing with us to build a diverse and inclusive alliance, so we can protect our Sky Islands for all its current and future residents — human, plant, and animal. We and all the amazing species in the Sky Islands thank you in advance!

Sky Island Alliance is a 501(c)(3) nonprofit organization — Tax ID #86-0796748. You can support our work with a check or credit card donation directed to: Sky Island Alliance, P.O. Box 41165, Tucson, AZ 85717-1165. For more information, please contact Amy Amoroso at (520) 624-7080 ext. 77 or by email at

We value your trust and your privacy. You may view our Donor Privacy Policy here. You can also view more ways to give here.

+ Photo Credits

    Photo of bobcat outside Tucson city lights (c) Jerry Rowlette; Milky Way near Tumacacori, Arizona, by Julius Schlosburg; mountain lion in San Bernardino National Wildlife Refuge courtesy Sky Island Alliance and Wildlands Network; Big Dipper with installed border lighting in foreground courtesy Sky Island Alliance.