National (U.S.)

"President Obama and truck makers reach agreement on fuel economy and pollution standards for big rigs, work trucks and other heavy-duty vehicles."

"Under Obama, the agency has delayed action repeatedly on a 2010 vow to set tougher smog standards, as critics in industry and the Republican Party argue that regulations kill jobs."

"Conservation groups asked an appeals court on Monday to strike down a move by Congress to strip more than 1,500 wolves in Idaho and Montana of federal endangered species protections."

"Salmonella Was Spotted in Arkansas Plant and in Stores as Early as 2010; Legal Rules on Bug Prevented Recall Until Aug. 3."

"President Obama is expected today to announce first-of-their-kind fuel efficiency standards for trucks, buses, and other heavy duty vehicles. He is scheduled to make the announcement at Interstate Moving Services in Springfield, Va."

"WASHINGTON, DC -- Heads of a host of federal agencies agreed Thursday to develop environmental justice strategies that will protect the health of people living in communities 'overburdened' by pollution.

"ST. LOUIS, Mo. -- In a legal settlement with the United States and an environmental foundation, The Metropolitan St. Louis Sewer District has agreed to make extensive improvements to its sewer systems and treatment plants, at an estimated cost of $4.7 billion over 23 years.

The improvements are intended to eliminate illegal overflows of untreated raw sewage and to reduce pollution levels in urban rivers and streams.

"HOUSTON — The growing gloom about the economy has pushed down oil and gasoline prices, along with the prices of an array of other commodities. And while that could mean more spending power for consumers, perhaps tempering any possible downturn, the steep drop in energy prices reflects worries that economic activity is headed in the wrong direction."

"SCRIBA, N.Y. — Officials at Constellation Energy are investigating a leakage in a containment structure that caused the shutdown of the Nine Mile Point Unit 2 reactor on Lake Ontario over the weekend.

"Greenpeace and the Center for Biological Diversity have asked the Department of the Interior to look into whether the recent suspension of a biologist violates rules meant to protect scientific research from political interference.

The news of the suspension has prompted widespread debate, with environmental groups alleging a connection to plans to drill oil in the Arctic reserve.