"Trains carrying deadly chemicals rumble through our backyards every day, but railroad companies hauling them refuse to publicly disclose exactly what those substances are, or how often they travel through the area."

"Delving into the gritty details of how offshore drilling is regulated, a National Academy of Engineering inquiry into the Deepwater Horizon well blowout found a big hole in oversight during a hearing on Thursday."

"BP has agreed to pay a record $50.6 million fine to the federal government for safety violations found by regulators last year at its troubled refinery in Texas City, Tex., where 15 workers died in a 2005 explosion."

"Drilling the final feet of a relief well intended to permanently plug the busted BP oil well deep below the Gulf of Mexico will have to wait two to three days as a strengthening tropical depression bears down on the site."

"Russian emergency workers have increased forest patrols in a western region previously contaminated by the 1986 Chernobyl nuclear disaster, trying to prevent wildfires from spreading harmful radiation, officials said Wednesday."

"A month after the Deepwater Horizon disaster began, scientists from the University of South Florida made a startling announcement. They had found signs that the oil spewing from the well had formed a 6-mile-wide plume snaking along in the deepest recesses of the gulf. The reaction that USF announcement received from the Coast Guard and the National Oceanic and Atmospheric Administration, the federal agencies that sponsored their research: Shut up."

"More than three weeks after BP capped its gushing oil well ... wildlife officials are rounding up more oiled birds than ever as fledgling birds get stuck in the residual goo and rescuers make initial visits to rookeries they had avoided disturbing during nesting season."