"In an unprecedented policy shift, inspectors in Pennsylvania have been ordered to stop issuing violations against drillers without prior approval from Gov. Corbett's new environmental chief."

"With birds chirping and temperatures warming , spring is finally in the air. But for University of Toronto Scarborough (UTSC) environmental chemist Torsten Meyer, springtime has a dark side."

"The federal government promoted some uses of coal ash, including wallboard or filler in road embankments, without properly testing the environmental risks, according to a report from the Environmental Protection Agency's inspector general."

"An estimated 352,000 pounds of lead washed into Lake Coeur d'Alene on Jan. 18 after flooding related to a rain-on-snow event."

Minnesota's Pollution Control Agency is trying to address the impact of dissolved chlorides in Twin Cities lakes -- road salt harming aquatic life. It may require changes in what it means to be a good neighbor in the snowy state.

"The operator of an Indiana County (PA) coal-fired power plant is liable for more than 8,600 violations of the Clean Water Act that polluted the Conemaugh River with metal discharges, a federal judge ruled, which would lead to a maximum civil penalty of more than $300 million."

"They’re our dirty little forgotten secret: the city’s 161 closed garbage dumps. Forty one of them are still active, spewing gases and discharging a toxic slurry into sewers and waterways. City staff say we shouldn’t be worried, even while reserve funds to maintain the sites have been emptied in Rob Ford’s budget juggling. Truth is, our track record isn’t very good when it comes to putting these oozing mounds to bed."

"HOLBROOK, Pa. -- A waste hauler and his company were charged Thursday with dozens of criminal counts for what prosecutors said was years of dumping millions of gallons of wastewater from natural gas drilling, sewage sludge and restaurant grease into streams and mine shafts."