The ruling ensures that state regulators can force companies to clean up chemicals such as PFAS before they are designated as hazardous substances.

The Wisconsin Supreme Court ruled Tuesday that corrections officers can bring a class action lawsuit against the state DOC.

The Wisconsin Supreme Court has delivered a victory for environmentalists in the battle over the regulation of "forever chemicals" known as PFAS.

The court ruled that state regulators can force landowners to clean up emerging pollutants before they are officially ...