"Shell Oil says its offshore oil rigs will arrive shortly on Seattle’s waterfront to prepare for drilling in Alaska, despite a Port of Seattle resolution Tuesday asking it to delay while the Port challenges a city ruling aimed at keeping the rigs out."

"Enbridge Energy and its affiliates will pay $75 million to settle a 2010 oil spill into Michigan's Talmadge Creek and Kalamazoo River that dumped 800,000 gallons of oil, state officials said on Wednesday."

"Duke Energy ignored repeated warnings before a broken pipe dumped tons of coal ash into the Dan River last year, according to court filings Thursday as the company faces a federal judge."

"The Port of Seattle’s board voted Tuesday to ask that the arrival of Shell’s Arctic drilling rigs be delayed, bowing to a wave of public pressure by protesters and city officials over the company’s plans to drill this summer off the coast of Alaska and use Puget Sound as a home port."

"The oil industry is challenging new federal rules intended to improve the safety of oil-by-train transportation, opening the first legal fight in a two-year effort to reduce the risks of moving hazardous materials on railroads."

"The Obama administration gave conditional approval on Monday for Shell Gulf of Mexico, Inc. to start drilling for oil and gas in the Arctic Ocean this summer."

"Railroad tracks where an oil train derailed Wednesday in central North Dakota had been inspected by BNSF Railway a day earlier and by the Federal Railroad Administration about three months before the fiery derailment, an FRA spokesman said Friday."

"A transformer fire at the Indian Point nuclear power plant in Buchanan, N.Y. sent plumes of black smoke into the air on Saturday and raised concerns that the foam used to extinguish the flames could pose an environmental hazard."

"The Pipeline and Hazardous Materials Safety Administration has been without a permanent boss for 214 days."

"Environmental groups filed suit Thursday in a bid to block development of the East Coast's first natural gas export facility - in the Chesapeake Bay off Calvert County."