"The federal budget sequester took effect on March 1 with a number of likely environmental impacts. With $1.2 trillion in cuts over the next decade and $85 billion through the end of the fiscal year in September, layoffs and difficulties in enforcing the nation's environmental regulations are expected."

"Maryland's highest court on Tuesday struck down the bulk of a fraud case against ExxonMobil Corp. stemming from an underground gasoline leak in Baltimore County, reversing most of $1.65 billion in judgments and dealing a stunning blow to hundreds of families."

"NEW ORLEANS -- Billions of dollars will be at stake Monday at the opening of a complex trial to determine how much BP should pay for the devastating 2010 Gulf of Mexico oil spill."

"Environmental advocates and representatives from the oil-and-gas industry are flocking to the White House following the submission of a draft rule that would govern the controversial practice of hydraulic fracturing on public lands."

"Dow Agrosciences LLC and two other pesticide makers won a bid to overturn U.S. National Marine Fisheries Service proposals to protect salmon when an appeals court found the agency’s decision 'arbitrary and capricious.'"

"HOUSTON — Unless the Justice Department and BP reach a last-minute settlement, the British oil company will return to court on Monday to face tens of billions of dollars in civil claims from the 2010 explosion on the Deepwater Horizon rig in the Gulf of Mexico that could cripple the company for years to come."

"Supreme Court justices signaled on Tuesday that agribusiness giant Monsanto Co was in a strong position to claim that an Indiana farmer violated its patent for a type of soybean."

"The US Supreme Court has denied a plea from anti-whaling group Sea Shepherd to end restrictions on its movement as Japan's whalers accused the activists of violating orders to stay away."