"Trains carrying a potentially more flammable crude oil have begun rolling with little notice through Sacramento and California in the last year, prompting concerns about safety and calls for more transparency, but state officials said Friday they have decided for now not to release information to the public on where those trains run or how many there are."

"'What gets everybody really suspicious is that you don't have access to watch it, which raises all kinds of issues about transparency.'"

"Somewhere in China, a man typed his user name, 'ghost,' and password, 'hijack,' and proceeded to rifle the computers of a utility in the Northeastern U.S."

"A heated budget battle in Sacramento over more oil-spill protection for rivers, lakes and other inland bodies of water has prompted a last-minute lobbying blitz by formidable adversaries: the oil industry and environmentalists."

"A U.S. federal judge has denied ExxonMobil Corp's bid to dismiss a government lawsuit and instead ordered the oil giant to hand over documents going back decades on a pipeline that ruptured last year and inundated an Arkansas town with oil."

"RALEIGH, N.C. — Environmental and wildlife officials in North Carolina and Virginia signed an agreement with Duke Energy Monday for the cleanup of toxic coal ash from the Dan River, which flows through the two states."

"The U.S. Supreme Court on Monday declined a request from BP to block payments to businesses while the oil giant appeals its 2010 Gulf of Mexico disaster settlement. For the time being, the decision upholds the ruling by the U.S. 5th Circuit Court of Appeals in New Orleans that under terms of the settlement, businesses claiming damages from the undersea eruption need not prove direct harm."