"Petroleum coke, or 'petcoke,' is still a problem in Chicago despite city regulations, and it could quickly become a problem in other parts of the state if there are no limits or rules on storage of the toxic powdery byproduct of oil refining."

"Four years ago, in August 2011, U.S. EPA and the National Highway Traffic Safety Administration announced the first federal program to cut carbon emissions from the nation's biggest vehicles by raising the fuel standards those heavy-duty fleets must meet."

"Regulators are severely underestimating the health harms from the pollution that power plants dump into waterways, an environmental group said Wednesday."

"Federal agency aims to save the 500,000 to 1 million birds that die in the industry's vats of oily residue each year."

"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."