National (U.S.)

"Duke Energy said Wednesday it might close seven coal-fired units at its Carolinas power plants within five years as environmental regulations intensify."

"Exelon, the nuclear giant that recently backed away from building new nuclear plants, is moving into wind."

"U.S. health officials are set to rule on whether a faster-growing, genetically engineered fish is safe to eat in a decision that could deliver the first altered animal food to consumers' dinner plates."

"It's been the hottest summer on record in many cities on the East Coast. And with that blistering weather has come a lot of days of unhealthy air."

"The federal government is warning residents in a small Wyoming town with extensive natural gas development not to drink their water, and to use fans and ventilation when showering or washing clothes in order to avoid the risk of an explosion."

"Last night, Michael Bromwich, the new director of the Interior Department's Bureau of Ocean Energy Management, Regulation, and Enforcement (formerly known as the Minerals Management Service), circulated an email to staffers outlining new ethics policies for employees who deal with offshore drilling, an attempt to reform his run amuck division's rep for being too cozy with oil and gas interests."

"Tourists on a North Carolina vacation destination island were preparing to board the ferries and head for the mainland early Wednesday and more evacuations could be on the way as powerful Hurricane Earl threatened to sideswipe the East Coast."

"Sen. Lisa Murkowski (R-Alaska) conceded her primary race Tuesday night after she failed to close the gap on attorney Joe Miller in the ongoing vote-counting process." That means Murkowski will be replaced as ranking Republican member of the Senate Energy Committee.

"The Department of Interior issued a new draft policy on scientific integrity on Tuesday, a long overdue addition to the agency's manual outlining the rules and regulations for employees when it comes to ensuring that their decisions are based on sound science."