The Clean Water Act established ambitious goals: making the nation's waters "fishable and swimmable" and restoring their "chemical, physical and biological integrity." It gave the newly established U.S. Environmental Protection Agency broad authority to set and enforce regulations.

The Environmental Protection Agency on Friday designated "forever chemicals" that have been used in cookware, carpets and firefighting foams as hazardous substances, clearing the way for quicker cleanup of the group of toxic compounds known as PFAS.

The Supreme Court's latest climate change ruling could dampen efforts by federal agencies to rein in the tech industry, which went largely unregulated for decades as the government tried to catch up to changes wrought by the internet.

In a blow to the fight against climate change, the Supreme Court decided Thursday to limit how the nation's main anti-air pollution law can be used to reduce carbon-dioxide emissions from power plants.

The U.S. Environmental Protection Agency has reached a settlement with the garbage-disposal giant Waste Management of Wisconsin, Inc. over allegedly illegal hazardous-waste practices at a landfill in Franklin. The proposed settlement, announced on Thursday, calls for increased monitoring for hazardous waste near the Metro Recycling and Disposal Facility in Franklin and a $232,000 fine to resolve alleged violations of the Resource Conservation and ...

Attorney General Josh Kaul has joined a coalition of state attorneys general calling for President Donald Trump to withdraw an executive order that allows federal agencies to avoid full compliance with environmental laws on infrastructure projects.

Consider this: as recently as a year ago, the term “PFAS” was relatively unknown to many lawyers, engineers and other environmental professionals.

A group is suing two federal agencies as part of an effort to block a proposed mine in Michigan's Upper Peninsula near the Wisconsin line.

An environmental group has filed a federal lawsuit challenging new federal smog regulations in Wisconsin.

Wisconsin environmental officials have agreed to settle a dairy industry lawsuit alleging the agency is over-regulating large livestock farms.

Pondering new restrictions on how the Environmental Protection Agency can use scientific data, congressional Republicans are seeking advice from the chemical and fossil fuel industries.

A papermaker has agreed to shoulder the financial burden for completing cleanup work on the Fox River in a settlement, federal environmental officials said Tuesday.

The state Department of Natural Resources board has finally adopted federal air pollution standards after four years and a legal settlement.

After four years and a lawsuit, the state Department of Natural Resources is finally ready to adopt federal air pollution standards.

Harley-Davidson Inc. agreed Thursday to pay $15 million to settle a U.S. government complaint over racing tuners that caused its motorcycles to emit higher-than-allowed levels of air pollution.

Enbridge Energy Partners has reached a $176 million settlement for the costliest inland oil spill in U.S. history — a pipeline rupture in southwestern Michigan that polluted a nearly 40-mile stretch of the Kalamazoo River, federal officials said Wednesday.

Wisconsin justice officials announced Monday that they have joined other states in a challenge of federal ozone limits that opponents contend will discourage employers from moving to places where the new standards fall most heavily on businesses.

An Iowa-based company that mixes and transports chemicals for customers in the printing, coating, and cleaning industries has agreed to pay $1.1 million to settle federal environmental violations and ensure safety at six plants in Iowa, Kansas and Wisconsin.

Wisconsin has joined a federal lawsuit challenging the Obama administration's new greenhouse gas rules.

A federal appeals court has ordered the government to rewrite regulations of ballast water discharges from ships, one of the leading culprits in the spread of invasive species across U.S. waterways.

A federal judge has ruled that the city of Ashland and Ashland County are not responsible for the cleanup of a designated Superfund site on the city’s lakefront.

Attorney General Brad Schimel is arguing that a federal court ruling blocking new Environmental Protection Agency water pollution regulations should apply nationwide.

They beat the EPA on coal, and now a group of state attorneys general hopes to score a similar victory on farming.

A federal appeals court on Tuesday threw out a pair of high-profile lawsuits challenging the Obama administration's sweeping plan to address climate change, saying it's too early to challenge a proposed rule that isn't yet final.

The state of Wisconsin has joined a federal lawsuit challenging new limits on carbon emissions from power plants.

A coalition of environmental, animal rights and citizen action groups are suing the U.S. Environmental Protection Agency alleging failure to address air pollution from large-scale livestock farms.

Environmentalists balked Friday at Republican Gov. Scott Walker's plans to sue the federal government over new limits on power plants' carbon emissions, saying the governor is ignoring climate change and simply wants to show he opposes government regulation as he mulls a presidential bid.

Two environmental groups filed a lawsuit Thursday accusing Wisconsin pollution regulators of failing to update the state's air quality standards to reflect tighter federal restrictions.

Don’t be fooled by the hype around the U.S. Supreme Court’s recent greenhouse gas decision.

The U.S. Supreme Court largely left intact Monday the Obama administration's only existing program to limit power plant and factory emissions of the gases blamed for global warming. But a divided court also rebuked environmental regulators for taking too much authority into their own hands without congressional approval.