Environment

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A frac sand company in Wisconsin has re-emerged from bankruptcy and has brought its Chippewa County mine back into compliance with state and local regulations.
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Five campuses in the University of Wisconsin System using coal as a heat source will transition to a combination of natural gas and heating oil in 2020.
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Water levels on Wisconsin's rivers and lakes are starting to rise due to snow melt. But officials from the state Department of Natural Resources warn groundwater levels in the state are already at or near record highs.
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Federal, state, local and tribal partners are roughly halfway to their goal of cleaning up one of the largest polluted hotspots on the Great Lakes. The St. Louis River is one of 43 sites listed under the Great Lakes Water Quality Agreement as an area of concern.
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Milwaukee city officials announced plans to build the largest solar energy system in the city's history. The 8-acre project will be located close to General Mitchell International Airport.
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Researchers with UW-Madison and others analyzed groundwater data collected by the Wisconsin Department of Natural Resources from 2000 to 2018. They found radium levels were trending upward in wells drawing from a regional aquifer underlying the southern two-thirds of the state.
In a place with long winters like Wisconsin, people tend to make use of one of its most visible seasonal resources: ice.
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Native American tribes in Wisconsin are working to generate more of their energy from renewable sources — and become independent of outside energy companies in the process.
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A massive solar farm is being planned in western Kenosha County that developers say could produce enough renewable energy to power 55,000 Wisconsin homes per year.
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The Wisconsin Department of Natural Resources is directing a Marinette manufacturer of firefighting foam to expand its investigation of drinking water that might be contaminated by so-called forever chemicals known as PFAS.