"Two environmental organizations are suing [Maryland] Gov. Larry Hogan for blocking proposed clean air regulations on his first day in office. The Sierra Club and Chesapeake Physicians for Social Responsibility argue that the governor lacked the authority to pull back the rules aimed at reducing nitrogen oxides that are key ingredients in ozone."

"Reports of oil spilling into Newfoundland's Port au Port Bay from old drilling sites is a growing concern for fishermen in the area."

"ST. LOUIS, Mich. — During recent summers birds were found littered around the town, poisoned with a long-banned pesticide."

"Clean-up costs associated with a Californian oil pipeline rupture that dumped as much as 2,400 barrels of crude onto a pristine stretch of coastline and into the Pacific Ocean have exceeded $60 million, the Los Angeles Times reported on Wednesday."

"A Texas company whose ruptured pipeline created the largest coastal oil spill in California in 25 years had assured the government that a break in the line while possible was "extremely unlikely" and state-of-the-art monitoring could quickly detect possible leaks and alert operators, documents show."

"For half a decade, General Electric has been paying for a massive dredging operation on the upper Hudson River in New York."

"A U.S. federal jury acquitted a former BP Plc executive on Friday of lying about how much oil spilled into the Gulf of Mexico following the explosion of the Deepwater Horizon rig in April 2010, according to lawyers on both sides of the case."

Despite early headlines, an EPA study on the impact of fracking on drinking water offered both sides ammunition.

"An 8-year-old boy falls into one of Mexico’s most contaminated rivers. Eighteen days later, he’s dead. Fusion investigates how factories--many of them U.S. owned--get away with illegally dumping toxic chemicals into one of the country’s main waterways, with potentially deadly consequences."

"A landmark Environmental Protection Agency report on the impact of hydraulic fracturing has found no evidence that the contentious technique of oil and gas extraction has had a widespread effect on the nation’s water supply, the agency said Thursday."