"Since losing a $19 billion judgment in an Ecuadorean court three years ago, Chevron has drawn the condemnation of human rights and environmental activists by refusing to pay anything in fines or accept blame for polluting the Ecuadorean rain forest."

"Already targeted as a source of lung-damaging air pollution, a company that has been piling petroleum coke on Chicago's Southeast Side now faces new accusations that it illegally allowed contaminated runoff to spill into the Calumet River."

"The Obama administration on Monday announced new fuel and automobile rules to cut soot, smog and toxic emissions, which it says will reduce asthma and heart attacks in the United States."

"A contractor’s complaint has prompted closer scrutiny of possible asbestos exposure involving workers at a downtown Des Moines renovation project, but an inspector doesn’t even visit hundreds of sites across Iowa each year where workers could face risks from the cancer-causing material."

"WASHINGTON — The Environmental Protection Agency plans to unveil a major new regulation on Monday that forces oil refiners to strip out sulfur, a smog-forming pollutant linked to respiratory disease, from American gasoline blends, according to people familiar with the agency’s plans."

"A federal judge in Waco has ruled in favor of power generator Luminant against claims from the Sierra Club it had broken state and federal air pollution laws."

"WASHINGTON — The chief of a federal agency tasked with improving the safety of crude oil shipments by rail declined Wednesday to give lawmakers a date for new tank car rules that railroads and safety officials have sought for years."

"Tesoro Corp. blocked the U.S. Chemical Safety Board from investigating an incident at a Northern California refinery and downplayed the extent of workers’ injuries, the board said."

"DURHAM, N.C. — North Carolina regulators who have been accused of lax oversight abruptly announced Tuesday that they may force Duke Energy to move its riverfront ash basin to a lined landfill away from waterways after one of its plants leaked tons of toxic coal ash into a major river."