Protecting
Wisconsin’s Future
Your environmental voice since 1970. For over 55 years, we’ve been Wisconsin’s leading advocates for clean air, water, and land. Through science, law, and public policy, we fight to protect our environment—and the health of our communities.
Who We Are
Our Approach
How We Drive Change
We turn data into action. Backed by Wisconsin’s only in-house environmental science team, we use science to shape strong environmental policy, and we fight for it through the courts, at the Capitol, and in communities across the state. Because everyone deserves clean air, safe water, and a healthy future.
STAY INFORMED
What’s Happening Now
Press Releases
Clean Wisconsin Intervenes in Oracle Lawsuit Against State
Clean Wisconsin is taking legal action to protect more than a million energy customers in the state as AI data centers cause demand to skyrocket.
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Latest News
Expert Insights
Under the Lens: What we’re learning about wildfire smoke in Wisconsin
Smoky skies from distant wildfires in Canada and the Western United States have becomes an increasingly frequent occurrence here in Wisconsin.
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Expert Insights
Podcasts
Are You Ready for the Plastic-Free Challenge?
In this episode, we’re talking about plastic waste in the grocery store and how to take control of the plastics that wind up in your shopping cart.
Listen Now
Latest Podcast Episode
Health Briefs
PFAS and Health: Contamination in Private and Public Wells in Wisconsin
Once PFAS get into the environment or our bodies, they do not break down, and environmental contamination continues to build as more PFAS are introduced to the environment. Any exposure to PFAS can pose health risks.
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Pollution & Your Health
WHO WE ARE
Decades of Wins for Wisconsin
We don’t just advocate—we deliver results. Our victories in policy, legal action, and research are shaping a cleaner Wisconsin.
Discover Our Impact
55+
years working to secure environmental victories.
25000
members and supporters across Wisconsin.
100s
of legal and regulatory actions taken to fight pollution.
4.5
Gigawatts of approved wind and solar supported by Clean Wisconsin
GET INVOLVED
How You Can Make a Difference
Protecting Wisconsin’s environment takes all of us. Whether you donate, sign petitions, or attend events, your actions make a difference.
Make a Donation
Your support fuels the fight for clean air, water, and energy. Every dollar helps us hold polluters accountable and drive change.
Become a Member
Join Wisconsin’s largest environmental advocacy network and stand with us in the fight for a cleaner future.
Take Action
Your voice has power. Sign petitions, contact legislators, and push for policies that protect Wisconsin.
Subscribe to Emails
Get the latest news, victories, and action opportunities delivered straight to your inbox.
Attend an Event
Be part of the movement. Connect with experts and advocates working to protect Wisconsin’s environment.