Whetstone Mountains

Springs Restoration in the Whetstones

January 20, 2026

Join us for a day of removing invasive species at McGrew Spring in southern Arizona’s beautiful Whetstone Mountains. Closed to the public, the spring is more than two miles from any other water source and is a favorite haunt of coatis, black bears, mountain lions, coyotes, and birds.

Barrel Spring

Barrel Spring Arundo Removal

Join us for a morning at a historic Tucson spring, now in an urban setting, as we remove this invasive plant and restore a wildlife oasis.

Arundo

Barrel Spring Arundo Removal

January 5, 2026

Join us for a morning at a historic Tucson spring, now in an urban setting, as we remove this invasive plant and restore a wildlife oasis.

"A" Mountain

Santa Cruz Watershed Days of Connection

Join us and our allies for this family-friendly event along the Santa Cruz River in Tucson. There will be food, music, and fun, as well as a chance to help clean up along the river.

Las Milpitas

Santa Cruz Watershed Days of Connection

Join us and our allies for this family-friendly event along the Santa Cruz River in Tucson. There will be food, music, and fun, as well as a chance to help clean up along the river.

Silverbell Lake

Santa Cruz Watershed Days of Connection

Join us and our allies for this family-friendly event along the Santa Cruz River in Tucson. There will be food, music, and fun, as well as a chance to help clean up along the river.

Barrel Spring

Barrel Spring Arundo Removal

Join us for a morning at a historic Tucson spring, now in an urban setting, as we remove this invasive plant and restore a wildlife oasis.

Aravaipa Creek

Aravaipa Canyon Vinca Removal

December 11, 2025

Come join us for a weekend in Aravaipa Canyon Preserve as we resume the fight against invasive vinca!

Whetstone Mountains

Springs Restoration in the Whetstones

November 19, 2025

Join us for a day of removing invasive species at McGrew Spring in southern Arizona’s beautiful Whetstone Mountains. Closed to the public, the spring is more than two miles from any other water source and is a favorite haunt of coatis, black bears, mountain lions, coyotes, and birds.

The Border Wall: Updates & Impacts for Mexico

November 12, 2025

We’ve all heard about “the line,” “la migra,” and the illegal market that exists between Mexico and the United States. But have you ever wondered how border infrastructure affects local communities, Indigenous peoples, and the wildlife that inhabit this region? We invite you this Dec. 8 at 10 a.m. to our next virtual Coffee Break, a panel and open conversation in Spanish about the new border wall construction in the Sky Islands region and the social and ecological impacts it’s generating. Panelists will be representing various Mexican organizations with experience and perspective on the border.