"Researchers describe 'a constellation' of oil droplets mixed with sediment. Phytoplankton, the base of the marine food web, is found to be in poor health nearby."

"Researchers at the University of Georgia said Monday that more than three-quarters of the oil spilled in the Gulf of Mexico following the Deepwater Horizon drilling-rig explosion could still be in the Gulf threatening fisheries and marine life, disputing government statements that much of the oil had been safely dispersed."

"The Obama administration said Monday that it would require significantly more environmental review before approving new offshore drilling  permits, ending a practice in which government regulators essentially rubber-stamped potentially hazardous deepwater projects like BP’s out-of-control well."

"To ensure that oil rigs, tankers and other commercial ships are in safe operating condition, governments around the world, including the U.S. government, often rely on inspections by private firms that are hired and paid by the vessels' owners. But how much confidence should the world have in the maritime watchdogs?"

"U.N. Secretary-General Ban Ki-moon said he has never seen anything like the flood disaster in Pakistan, and urged foreign donors to speed up assistance to the 20 million people affected."

"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."