"WHITING -- The Indiana Department of Environmental Management issued its final ruling on a permit application for BP's Whiting Refinery, requiring the company to cut its mercury releases into Lake Michigan by more than half."

"In response to complaints from neighbors, Norfolk Southern agreed Thursday to take more aggressive steps to clean up lung-damaging diesel pollution from equipment at the railroad's Englewood freight yard."

"MILWAUKEE -- Placing water retention structures in the St. Clair River may not be enough to counteract the effects of a warming climate and raise Lakes Huron and Michigan to their normal levels, experts said Monday."

"ODANAH, WIS. -- While laughing children bob in kayaks along the sandy shores of Lake Superior, their somber parents hunch over picnic tables talking about their wild rice, their water, their fish and their way of life. Members of the Bad River Band of Lake Superior Tribe of Chippewa Indians worry about what is to become of their lake, a life source for their people."

"Prescription drugs are contaminating Lake Michigan two miles from Milwaukee’s sewage outfalls, suggesting that the lake is not diluting the compounds as most scientists expected, according to new research."

"Fearing the city's primary drinking water source could be at risk of contamination in the years ahead, Ann Arbor officials took action Tuesday night to send a message to the state."

"Investing in a massive coal-burning power plant in southern Illinois has saddled some towns with similarly large electricity rates."

The small Michigan town of Mancelona is the site of one of the nation's largest underground plumes of the toxic industrial solvent trichloroethylene. Wells dug to supply uncontaminated water are now themselves threatened.

"DETROIT -- Remaining mounds of petroleum coke have been removed from the Detroit riverfront ahead of a city-imposed deadline but more time is needed to haul construction materials away from the sites, according to a storage company."

"Detroit is already failing its citizens. Climate change is compounding the woe. With downpours up 45 percent in the past 50 years, the city's outdated sewer system can't handle the flow."