"A Coast Guard admiral who led the government's response to the Deepwater Horizon disaster is taking over as the nation's chief overseer of offshore drilling safety, the Obama administration said Monday. Rear Adm. James Watson begins his post as director of the Interior Department's Bureau of Safety and Environmental Enforcement on Dec. 1."

"Oil and gas drillers who pollute groundwater, spill toxic chemicals or break other rules have little to fear from the inspectors and agencies regulating the surge in American petroleum production."

"A coalition of clear air advocates and the U.S. Environmental Protection Agency have filed a legal settlement that establishes firm, enforceable deadlines for action on plans to clean up regional haze pollution in 43 states, the District of Columbia, and the Virgin Islands."

"Nebraska and TransCanada Corp reached a deal on Monday that will see the state pay for environmental studies on a new route for the $7 billion Keystone XL pipeline that steers clear of the environmentally sensitive Sand Hills region and the Ogallala aquifer."

"The cleanup of toxic chemicals dumped during the production of carbonless copy paper in the 1950s and 1960s has been happening in the lower Fox River since 2009, but it's still unclear who is going to pick up the tab."

"LAKELAND -- A hulking mountain of ash sitting inside the Lakeland city limits isn't exactly a point of pride, but city officials would rather see it stay than go."

"As the country awaits results from a nationwide safety study on the natural gas drilling process of fracking, a separate government investigation into contamination in a place where residents have long complained that drilling fouled their water has turned up alarming levels of underground pollution."

"LAUREL, Mont. — State workers on Tuesday set fire to an oil-tainted logjam on an island along the Yellowstone River, the last of dozens of debris piles smeared with crude from an Exxon Mobil pipeline break that dumped 42,000 gallons of oil into the waterway."

"The state of Louisiana has refused to sign off on a Coast Guard-BP plan to transition from a cleanup program to a long-term recovery in the aftermath of the Deepwater Horizon oil spill, charging that the plan leaves coastal beaches and wetlands vulnerable to continued oil contamination with no guarantee that BP will be required to pay for future cleanups."

"The State Department is considering a plan that would reroute the proposed Keystone XL oil pipeline from Canada away from environmentally sensitive areas of Nebraska, an action that could delay a final decision on the project until after the 2012 election."