"Northern Michigan's industrial past is returning to haunt the Petoskey waterfront, where environmental and public health officials are going door-to-door to test for poison vapors inside residences built on a Superfund site."

"With livestock-contamination of drinking water a growing concern in Wisconsin, the Department of Natural Resources has quietly started efforts to provide temporary water supplies to people with tainted wells."

"The Federal Energy Regulatory Commission has curtailed work on a natural-gas pipeline in Ohio after the owner, Energy Transfer Partners, reported 18 leaks and spilled more than 2 million gallons of drilling materials."

"Thousands of Flint, Mich., residents have been warned that they could lose their homes if they don’t pay outstanding water bills — even as the city has just begun replacing lead-tainted pipes after a contamination crisis linked to a dozen deaths."

"Ohio legislators took a step toward allowing fracking in state parks, adding a provision in a pending budget that would strip the governor of the ability to control the issuing of licenses for the oil and gas drilling practice that has raised environmental concerns."

"Four conservation groups on Tuesday sued the U.S. Forest Service and Bureau of Land Management in an attempt to halt fracking plans in a portion of Ohio's only national forest."

"LINCOLN, Wis. -- Lee Kinnard’s new barn stretches the length of six football fields. It’s so big he once flew a drone inside to get a bird’s eye view of all the cows."

"The analysis of federal pipeline safety data comes as politicians from both parties raise questions about Line 5 and a tribe has voted not to renew its easement."

"A technology competition seeks solutions to Lake Erie's biggest problems, including harmful algae blooms and aging water systems. Teams in cities around the region are competing for thousands of dollars in prize money and consulting services to create apps and other tools."

"The U.S. Air Force says it won't provide safe drinking water to Oscoda residents affected by chemical pollution from the former Wurtsmith Air Force Base because a Michigan law seeking that is discriminatory."