The aging oil and gas infrastructure in the Gulf of Mexico -- pipelines, wells, platforms, and other rigs -- could well prove another disaster waiting to happen.

"Louisiana's 17 refineries averaged 10 upsets a week between 2005 and 2009, according to a study of emission reports by the Louisiana Bucket Brigade, an environmentalist coalition, and the United Steelworkers union."

"Gulf oil spill claims czar Kenneth Feinberg introduced a new option Monday to the 170,000 claimants who have already received an emergency payment, offering 'quick' payments of $5,000 to individuals and $25,000 to businesses who are willing to sign away their rights to sue."

"A month before the Upper Big Branch Mine disaster, a Massey Energy worker admitted that he had used what turned out to be a forged foreman's card when he conducted hundreds of mine safety checks at the Raleigh County operation, the Sunday Gazette-Mail has learned."

"Republican senators blocked Democratic legislation on Thursday that sought to provide medical care to rescue workers and residents of New York City who became ill as a result of breathing in toxic fumes, dust and smoke from ground zero."

"The House on Wednesday failed to pass a bill to make it easier for federal regulators to shut down mines with a history of safety problems, dealing a blow to groups that had sought tougher regulation."

"A Libyan intelligence officer convicted of the bombing of a Pan Am flight over Lockerbie, Scotland was released from prison following threats to British business interests, US State Department documents released by WikiLeaks reveal."

"A university scientist and the federal government say they have found persuasive evidence that oil from the massive Gulf of Mexico spill is settling on the ocean floor."

"Canada's government is not ready to handle a major oil spill from a tanker, in part because its emergency response plan is out of date, Parliament's environmental watchdog said in a damning report on Tuesday."