Colorado Sierra Club
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Colorado Sierra Club
Home
Donate
Volunteer
Events
Our Work
Take Action
Membership
Contact
Newsletters
Careers
More
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our work

Climate & Energy

Our voices can influence leaders and transform how industries are powered. Join us in embracing bold, positive, and future-focused solutions to the climate crisis.

  • Buy Clean
  • Ready for 100
  • Beyond Coal 
  • Clean Transportation for All
  • Dirty Fuels / Oil & Gas
  • Fossil-Free Homes & Buildings

Lands, Air, Water & Wildlife

The health of our environment shapes the health of our communities. For 130 years, Sierra Club members have worked to protect the earth’s vital resources, natural beauty, wild creatures, and scenic landscapes. Learn how you can help.


  • Our Wild Colorado
  • Grey Wolf Recovery

Politics & Elections

We are dedicated to electing climate action champions at all levels of government. Once they’re elected, we must help them defend and pass policies to protect Colorado’s natural resources for present and future generations. Join us!

  • Elections and Endorsements
  • Lobbying

People & Justice

We’re protecting more than trees. The most vulnerable among us are the first to feel the impacts of the environmental crisis. And we’ll settle for nothing less than a healthy world for all.

  • Environmental Justice
  • Gender Equity

Grassroots Action

The Colorado Sierra Club provides a home to volunteer-driven teams building grassroots power by engaging new people, nurturing new leaders, diversifying the movement, and making meaningful progress on conservation goals. We also serve as an incubator for emerging teams, campaigns, and initiatives, some of which grow to become major projects and campaigns within the Sierra Club.


Volunteer with us!

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