"The upper ocean warmed considerably over the past decade and a half, according to a new study that attempts to make sense of conflicting analyses of the amount of heat stored in the world's seas."

"Four years after being voted from office, former Rep. Richard Pombo (R) of California is attempting to resurrect his political career in a new district where few voters know his record for seeking to rewrite some of the nation's premier environmental laws."

"Tesla Motors and Toyota Motor announced on Thursday that Tesla had bought the recently closed Nummi assembly plant in Fremont, Calif., where it intends to make its Model S luxury electric sedan and other future models. Also, Toyota said it had agreed to buy $50 million of Tesla common stock upon the completion of its planned initial public offering."

"The federal Agency for Toxic Substances and Disease Registry has been under tough Congressional scrutiny over the last two years for what critics assert are flawed evaluations of health risks at the nation’s worst contaminated sites. Now the Government Accountability Office has issued a report detailing some problems with the agency’s internal policies and inconsistent monitoring by its management."

"President Barack Obama, seeking a gas-sipping fleet of the future, will order the government to begin working on fuel efficiency and greenhouse gas emissions standards for cars and trucks in the 2017 model year and beyond."

"The coal baron who runs the West Virginia mine that last month saw the deadliest U.S. mine accident in 40 years came unbowed to Capitol Hill today, insisting that his company 'does not place profits over safety.'"

"The Environmental Protection Agency has directed oil giant BP to use a less toxic form of chemical dispersants to break up the oil spill in the Gulf of Mexico."

A CBS News crew captured on video orders from BP contractors and US Coast Guard officials to stop filming environmental damage from the BP-owned oil fouling Louisiana beaches and coastal wetlands. The Coast Guard denied that it or BP has rules prohibiting coverage.

"Today the U.S. Environmental Protection Agency (EPA) and the Department of Homeland Security (DHS) took steps to increase the transparency of the response to BP's catastrophic oil spill in the Gulf of Mexico. The oil company's actions have been criticized for failing to disclose or monitor important information about the spill, including the quantity of oil erupting into the Gulf, the potential health impacts of the oil and the chemicals used to disperse it, and water and air quality information."