"The EPA says some communities in Louisiana face a 'moderate health risk' due to hydrocarbon fumes from the Gulf oil spill. Researchers will report air quality findings this week."

"A top BP official aboard the oil rig that exploded in the Gulf of Mexico in April was expected to refuse to speak at a federal hearing Tuesday."

"Five Great Lakes states filed a lawsuit in federal court Monday to try to block Asian carp from entering Lake Michigan, the third attempt to seek the closing of Chicago-area shipping locks through the court system."

"The Great Lakes are feeling the heat from climate change. As the world's largest freshwater system warms, it is poised to systematically alter life for local wildlife and the tribes that depend on it, according to regional experts."

"The Obama administration has released a new analysis of chemical monitoring performed by BP PLC in order to tamp down concerns that offshore responders battling the oil giant's Gulf of Mexico gusher have been exposed to a chemical linked to lingering health problems among cleanup workers long after the 1989 Exxon Valdez spill."

"The Obama administration on Monday announced a new national policy for strengthening the way the U.S. manages its oceans and coasts, and the Great Lakes."

"The Obama administration has asked the governments of Scotland and Britain to review the decision last summer to release the Libyan convicted in the Lockerbie airliner bombing." Four U.S. Senators have asked whether BP lobbied for the release in order to get Libyan oil and gas leases.

"Oil from BP's blown out well is again seeping into the Gulf of Mexico, but this time, more slowly and scientists aren't convinced the cap that stopped the flow last week is making things worse."

"Stephen H. Schneider, a Stanford University climate scientist who for decades built the case that global warming, while laden with complexity, justified an aggressive response, has died."