"A cholera epidemic in Haiti has killed more than 250 people, the government said on Sunday, but it added the outbreak which has sickened more than 3,000 may be stabilizing with fewer deaths and new cases reported over the last 24 hours."

"Just three days after the U.S. Coast Guard admiral in charge of the BP oil spill cleanup declared little recoverable surface oil remained in the Gulf of Mexico, Louisiana fishers Friday found miles-long strings of weathered oil floating toward fragile marshes on the Mississippi River delta."

"A U.N. meeting to set targets to fight rising animal and plant extinctions inched on Friday toward agreement, but rich and poor countries remained split over details of a new framework on genetic resources."

"There is a new front in the fight over whether Texas should build more coal-fired power plants -- water."

"The U.S. federal prison industry that recycled computers and other electronics violated health, safety and environmental laws, according to a scathing report by the Justice Department's Office of Inspector General released Thursday."