"Senate climate legislation advocates are bracing for a floor battle this month over a Republican campaign that they fear could drag down efforts to pass a major global warming bill before the real legislative debate can start."

"The Obama administration is engaged in an unusual internal spat as the White House and Environmental Protection Agency tussle over how to handle millions of tons of waste from coal-fired power plants."

"A widely used type of asphalt sealant derived from coal tar may be making its way into the house dust of homes, according to new research. Young children may actually be playing on coal-tar-sealed driveways and playgrounds, potentially raising their exposure to harmful chemicals."

"More than four years after Hurricane Katrina, the single-story brick rancher in Pontchartrain Park where Lisa Perez Jackson grew up stands empty. ...The storm's toll on Jackson's childhood house and on New Orleans, particularly the Ninth Ward where she was raised, has intensified her quest for what's known as environmental justice."

"A coalition of oil companies, car and engine manufacturers and fuel sellers told the Obama administration on Thursday not to increase the amount of ethanol blended into gasoline based on inadequate test data."

"A team of scientists says the environmental damage from mountaintop removal mining in Appalachia is so widespread, the mining technique should be stopped."

"The Environmental Protection Agency on Thursday proposed a stricter standard for smog-causing pollutants that would bring substantial health benefits to millions of Americans while imposing large costs on industry and local governments."

A regulatory application for a major mid-Atlantic electric transmission line may be withdrawn because of flagging demand projections -- a result not only of the economic slump, but also of energy conservation.

"Interior Secretary Ken Salazar [announced] new drilling policies to protect the environment on western federal lands."