Protect What You Love—Right Here in Oklahoma

By donating today, you become part of a powerful local movement to defend clean air, safeguard water, preserve wild places, and build a healthier future for all Oklahomans.

Together we:

  • Empower our Capitol Action Team lobbies weekly to block bad environmental policy.
  • Organize monthly community actions that turn local concerns into tangible change.
  • Equip students with the hands-on science to lead Oklahoma’s clean energy transition through our Renewable Energy Education Program (OREEP). 
  • Get Oklahomans into nature with our Outings program, turning enthusiasts into lifelong environmental defenders. 

Your gift stays 100% in Oklahoma, supporting urgent grassroots campaigns, public education, and community-led advocacy. Whether we’re taking on corporate polluters or mobilizing neighbors to protect beloved parks, your contribution powers change where it matters most—at home.

Join us on the frontlines. Your support makes a difference—every single day.



If you’d like to explore other ways to give or get more involved, please reach out to our Chapter Director Kara Joy McKee at [email protected].

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Note: Contributions, donations, gifts, and dues to the Sierra Club are not tax deductible. They support our effective, citizen-based advocacy and lobbying efforts. The Sierra Club is a non-profit, tax-exempt, 501(c)(4) organization. Annual membership dues of $25 or more include $7.50 for a one-year print subscription to Sierra magazine and $1.00 for your chapter newsletter. (Additional financial and regulatory information.)

By taking this action to protect the planet, you are affirming you want to receive regular Sierra Club communications and may vote on policy designated by the Sierra Club Board. Additionally, by giving your mobile number, you consent to receive phone and text communications from Sierra Club organizations. Text communications will include receiving automated, recurring action alerts and fundraising requests via text message from the Sierra Club at 64696. from Sierra Club. Reply STOP to cancel or HELP for more information. Message and Data Rates May Apply. Terms and Conditions & Privacy Policy

Please note that free premiums will not be shipped outside the U.S. due to shipping costs, allowing us to more effectively use your contribution.