Air

"The Environmental Protection Agency said on Tuesday that it may ease an interim deadline for states to meet tougher carbon emission standards after regulators and electric utilities complained a lack of time may destabilize electricity supplies."

"The Environmental Protection Agency is moving forward with a new rule that will limit the amount of pollution from household wood heaters."

"It is time to strengthen the nation's smog limits to improve the health of millions of people who suffer the ill effects of air pollution, dozens of environmentalists, doctors, asthmatic children and religious leaders told a panel of federal officials Monday at a daylong hearing."

"Boston's aging pipeline network leaks about $90 million worth of natural gas each year, marking a sizeable financial loss and a threat to the environment, according to a study released on Thursday by Harvard researchers."

"WEST PALM BEACH, Fla. — Rising from a denuded landscape not far from this area’s famed beaches, the nation’s first new commercial garbage incinerator in 20 years is about to be fired up, ready to blast up to 3,000 tons of trash a day into electricity for thousands of houses."

"The Environmental Protection Agency said it will delay carbon rules for power plants, missing a deadline set by President Barack Obama in one of the centerpieces of his climate-change agenda."

"CUBA, N.M. — The methane that leaks from 40,000 gas wells near this desert trading post may be colorless and odorless, but it’s not invisible. It can be seen from space."

"A federal appeals court today threw out U.S. EPA's decision to extend a compliance deadline for its ozone air standard, as well as the agency's revoking a stringency requirement for transportation projects."

"Air pollution should be one of the avoidable heart risk factors - just like smoking and excess fat - that doctors warn patients to steer clear of, according to a new statement from 20 heart experts."

"Women who are exposed to high levels of air pollution during their third trimester of pregnancy may be twice as likely to have an autistic child, a study found."