Explore, enjoy, and protect the planet


Crater Lake, photo by Lukasz LechFall colors on a hike



Your donations are direct investments in our grassroots work. You can help us organize citizens to influence their elected representatives, fight back against dirty energy special interests, and help us to continue to protect Wisconsin's environment for all.

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Thank you for your contribution! Team Sierra™ is a program of the Sierra Club, a non-profit, tax-exempt, 501(c)4 organization.

Note: Contributions, donations, gifts, and dues to Team Sierra Wisconsin are not tax deductible. They support our many initiatives in Wisconsin, including our effective, citizen-based advocacy and lobbying efforts. The Sierra Club is a non-profit, tax-exempt, 501(c)(4) organization.

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.