"They’re back. Seventeen years after a major swarm of bug-eyed cicadas staged one of nature’s weirdest — and loudest — mating rituals, their offspring are preparing to rise in Washington’s suburbs and the Mid-Atlantic."

"Health and environmental groups will launch a national campaign Thursday to prod 10 major retailers -- including Walmart, Target and Costco -- to clear store shelves of products containing hazardous chemicals."

"Under proposed new national science standards, students would learn concepts more thoroughly, including how human activity is driving global warming."

"The environmental consulting firm hired to evaluate the impacts of the Keystone XL pipeline should have been barred from working on the project, according to a group of environmentalists. On Monday, representatives from 13 environmental organizations asked State Department's Inspector General to investigate whether the firm's previous relationships with TransCanada should have qualified as a conflict of interest."

"A court ruling that the U.S. government must consider the environmental impact of 'fracking' on federal lands leased to oil companies offers opponents of the technique a useful weapon in the fierce public debate in California and other parts of the country."

"After years of internal deliberation and controversy, the Obama administration has issued a document suggesting that when dealing with the aftermath of an accident or attack involving radioactive materials, public health guidelines can be made thousands of times less stringent than what the U.S. Environmental Protection Agency would normally allow."

"LANCASTER, Calif. — There are at least two things to know about this high desert city. One, the sun just keeps on shining. Two, the city’s mayor, a class-action lawyer named R. Rex Parris, just keeps on competing."

"DUBAI -- A powerful earthquake struck close to Iran's only nuclear power station on Tuesday, killing 37 people and injuring 850 as it destroyed homes and devastated two small villages, Iranian media reported."

"LITTLETON, New Hampshire -- A New Hampshire jury on Tuesday found Exxon Mobil Corp liable for $236.4 million in a civil lawsuit that charged the oil company had polluted groundwater in the state with a gasoline additive used to reduce smog in the 1970s and 1980s."