Your donations keep the Sierra Club O‘ahu Group going! Please consider the benefits of a recurring donation. Monthly gifts allow us to have a dependable base of support for our various advocacy and conservation efforts.

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. (Additional financial and regulatory information.) If you would like to make a tax-deductible (c)(3) donation or donate by cash or check instead, please email us at

A donation through this page is not membership dues. If you would like to become a member or renew your membership with the Sierra Club, please visit here.