Get Involved

Every day, the Colorado Sierra Club's volunteers, staff, and supporters work together to protect our air, water, wildlife, and wild places. Get involved! Join a volunteer team, attend an event, or make a donation to support our work for Colorado's climate. 

Donate

We're fighting tirelessly for Colorado's air, water, wildlife, and wild places. Your gift supports our conservation efforts and will be applied where most urgently needed. Best of all, 100% of your contribution stays here in Colorado. Support our...