"Pennsylvania will take new steps to cut methane emissions from natural gas wells and pipelines, and fill gaps in state policies that have allowed many sources in the sector to release the potent greenhouse gas without mandatory controls, Gov. Tom Wolf announced today."

"Gov. Rick Snyder of Michigan issued a sweeping apology on Tuesday to the residents of Flint for a contaminated water supply. He pledged to promptly release his emails about the issue, and laid out more specifics than had previously been known about the state’s handling of the matter."

"Gov. Charlie Baker still remembers the case of Pittsfield and GE from his first tour of duty in state government."

"The controversial Mount Polley mine received both millions of dollars in contracts and a written warning from Canada’s environment department prior to a massive breach of a dam with mining waste in 2014, according to a newly released federal memorandum."

"Too often toxic coal ash, a byproduct of coal-fired power, ends up in poor, minority communities. U.S. civil rights officials are launching a deeper look at federal environmental policy to find out why."

"Hillary Clinton got her biggest applause of the night during Sunday's Democratic presidential debate when she accused Republican Michigan Gov. Rick Snyder of not caring about poor African-Americans drinking contaminated water."

"The gloomier outlook for U.S. coal companies is raising questions about who will pay to clean up shuttered strip mines and open pits across coal country. With financial woes piling up for coal producers, environmental groups are warning that taxpayers could be on the hook for millions in restoration costs if mining companies can’t pick up the bill."

"Global emissions of mercury from manmade sources fell 30 percent from 1990 to 2010, in part from decreasing use of coal, the U.S. Geological Survey (USGS) reported on Wednesday."

"The U.S. Environmental Protection Agency’s top Midwest official said her department knew as early as April about the lack of corrosion controls in Flint’s water supply — a situation that likely put residents at risk for lead contamination — but said her hands were tied in bringing the information to the public."

"Under pressure to devise a fix for its polluting diesel cars, the chief executive of Volkswagen, Matthias Müller, met for the first time with a senior government official in the United States to discuss the crisis that has engulfed the German carmaker since September."