"People living near a steel factory or another source of high manganese emissions are at higher risk of developing Parkinson's disease, suggests a new study."

"More than a third of Wisconsinites rely on well water in their homes, and we've discovered much of that water could be tainted.  The problem: many families don't have their wells tested.  And those wells could contain invisible poisons."

"Gov. Edward G. Rendell of Pennsylvania signed an executive order on Tuesday effectively banning further natural gas development on state forest lands."

Hydraulic fracturing of underground shale to produce natural gas also releases uranium that is part of the rock, say researchers at the State University of New York at Buffalo. The uranium may pollute groundwater.

"It took years for Illinois officials to discover that southwest suburban Crestwood was pumping contaminated water to its residents, in part because the state took village officials at their word that nothing was wrong. Such lax oversight is a problem in scores of communities throughout the nation, according to a new report from the U.S. Environmental Agency's inspector general that urged federal and state officials to conduct more rigorous inspections and adopt tighter reporting guidelines."

"The bankruptcy estate of General Motors will commit $773 million toward cleaning up old plant sites and other property abandoned by the automaker, under a deal reached Wednesday with the Obama administration and 14 states."

"Hundreds of people opposed to drilling for natural gas in South Fayette's residential areas packed an auditorium Monday night to tell the township's five commissioners not to permit gas wells near the sprawling school campus."

"The Obama administration has moved another step closer to blocking the largest mountaintop removal permit in West Virginia history, with a veto recommendation from the U.S. Environmental Protection Agency's regional administrator."