Clean Wisconsin

Stop unchecked data center development

Healthier Future for Wisconsin

Clean Wisconsin Intervenes in Oracle Lawsuit Against State

July 16, 2026

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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Smoke over Monona Bay in Madison, Wis. Clean Wisconsin

Clean Wisconsin Analysis Shows Dramatic Health Harms of Wildfire Smoke in Wisconsin

July 15, 2026

Wildfire smoke exposure accounts for an estimated 250 premature deaths in Wisconsin every year, according to a new analysis from Clean Wisconsin. …

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The high energy demand of Microsoft’s Mount Pleasant data center has already resulted in approvals of two new methane gas plants in Oak Creek and nearby Paris

The winners and losers of Wisconsin’s data center boom

July 15, 2026

Skyrocketing energy demand, driven in large part by hyperscale data centers, is being met with fossil fuel power plant proposals at an alarming pace and cost.…

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Smoke from Canadian wildfires drifts down to Wisconsin and the Midwest.

Under the Lens: What we’re learning about wildfire smoke in Wisconsin

July 15, 2026

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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EPA Proposal Could Delay Smog Cleanup by a Decade or More in Wisconsin

July 14, 2026

The EPA's proposal is not just bad policy but unlawful — contradicting the plain text, structure, and purpose of the Clean Air Act.…

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One year later: What the Milwaukee flood took and what it left behind

July 13, 2026

Milwaukee's August 2025 flood was more than a single extreme weather event — it was a reminder about the importance of elevating community voices during climate emergencies.…

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The Defender Episode 80: Are you ready for the plastic-free challenge?

Are You Ready for the Plastic-Free Challenge?

July 13, 2026

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.…

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Aerial view of the construction of data center complex, large AI center structure surrounded by cooling and power systems

State rejects petition to reopen AI data center tariff case

July 10, 2026

Clean Wisconsin supports Public Service Commission decision to stand by new special rate structure for AI data centers…

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Nitrates in Drinking Water: The Threat and Potential Policy Responses

July 8, 2026

Join us for a discussion of how nitrates are affecting drinking water sources in the Mississippi River and the Great Lakes basins, the impact of high nitrate levels on human health, and policy options to respond to and prevent further contamination.…

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The Defender Episode 79: What burning coal is doing to our water

What Burning Coal Is Doing To Our Water

June 29, 2026

In this episode, what the Trump Administration's push to prop up coal means for Wisconsin's water.…

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