"With so many pipeline accidents in the last few months that federal investigators cannot get to them all, the secretary of transportation plans to introduce a safety campaign on Monday aimed at coordinating federal, state and local oversight and making more information available to the public about potential hazards under foot."

"U.S. farmers say they will plant some of the biggest corn and soybean crops ever this spring, racing to keep pace with unrelenting global demand that's rapidly depleting stockpiles and driving up food costs."

"As the United States gears up for higher vehicle fuel efficiency standards, two new reports from investors and industry experts conclude that U.S. automakers will be more profitable than they are today at a fleetwide 42 mile per gallon average in 2020."

"The Nuclear Regulatory Commission is conducting a 'more intensive review' of several U.S. plants as part of its 'very conservative' safety review system, its chairman told lawmakers at a hearing on Thursday."

"The nuclear crisis in Japan provides an impetus for Congress to confront a failed national policy on dealing with spent fuel from U.S. reactors, witnesses told a Senate subcommittee yesterday."

"The Nuclear Regulatory Commission has allowed reactors to phase out some equipment that eliminates explosive hydrogen, the gas that blew up the outer containments of three reactors at the Fukushima Daiichi in Japan."

"The U.S. Supreme Court [Monday] declined to hear an appeal from Kaiser Ventures LLC on an appeals court decision overturning a federal land exchange. The land deal would have allowed the world's largest garbage dump to be built on the boundary of Joshua Tree National Park."

"A consortium of U.S. organic farmers and seed dealers filed suit against global seed giant Monsanto Co. on Tuesday, in a move to protect themselves from what they see as a growing threat in the company's arsenal of genetically modified crops."

"Forgoing packaged foods such as canned soups and vegetables could dramatically lower levels of a hormone-disrupting chemical that has been linked to myriad health problems, including birth defects, autism and reproductive issues, according to a study released today."

"Very low levels of radiation turned up in a sample of milk from the West Coast state of Washington, the Environmental Protection Agency and the Food and Drug Administration said Wednesday, but federal officials assured consumers not to worry."