States and industry groups dependent on fossil fuels filed court challenges Friday to President Barack Obama's Clean Power Plan, which aims to reduce greenhouse gas emissions.
Clean water advocates are asking the U.S. Environmental Protection Agency to strip Wisconsin of its authority to control water pollution if it doesn't do a better job.
A federal appeals court ordered the government Monday to rewrite its regulations on 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.
Even though Wisconsin is one of only two states in the Midwest where a wind farm is not now being built, renewable-energy advocates say the federal government’s new carbon-reduction rules will help fill the industry’s sails.
Sixteen states, including Wisconsin, will have tougher carbon dioxide reduction targets than they originally planned now that President Barack Obama has presented his final plan to cut emissions from U.S. power plants.
A proposed hog "megafarm" in northern Wisconsin is raising concerns among some residents that millions of gallons of pig manure will eventually wash off the land and pollute Lake Superior.