Welcome to the Sierra Club - Wisconsin Chapter.
We are Wisconsin's voice for the nation's oldest, largest and most influential grassroots environmental organization. Our members include 18,000 of your friends and neighbors. Inspired by Wisconsin’s beautiful lakes, forests, rivers, and other natural features, we work together to protect our communities and the planet.
Looking to take action on the most pressing issues in Wisconsin?
Make a Difference for Wisconsin's Future!
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Local News and Information
Honoring Dr. Al Gedicks
June 19, 2026
A memorial for Dr. Al Gedicks will be held on Saturday, July 18, 2026, at 10:00 am-3:00 pm Central, at the Menominee Casino Convention Center in Keshena, Wisconsin. A driving force of environmental justice alliances fighting mining companies in the...
A Transportation Gamechanger for Wisconsin: Regional Transit Authorities
June 16, 2026
Wisconsin’s public transportation systems are struggling. RTAs bring two key benefits to transportation in a region.
Line 5 Oil Pipeline Threatens Wisconsin: This is What it Looks Like
June 12, 2026
The Line 5 Pipeline transports oil across Wisconsin and Michigan into Canada. It has spilled over one million gallons of oil and is being operated well beyond its intended lifespan. Line 5 runs through the Bad River Reservation, and when...