National (U.S.)

"It is a danger hidden beneath the streets of New York City, unseen and rarely noticed: 6,302 miles of pipes transporting natural gas."

"BEULAH, N.D. — Gina McCarthy was deep in enemy territory. Here on this wind-whipped prairie pocked with strip mines, Ms. McCarthy, the administrator of the Environmental Protection Agency, faced 20 coal miners, union workers and local politicians deeply suspicious of the new climate change regulations she had come to pitch. The Obama administration hopes the regulations will help save the planet, but the North Dakotans say the rules will put coal and their livelihoods at risk."

"Sick and confused sea lions convulsing with seizures are being found in increasing numbers along the California coast, suffering from what Stanford University scientists say is a form of epilepsy similar to the kind that attacks humans."

"America’s largest industrial accident tore apart the town of Kingston, Tennessee. Five years later, has the industry learned anything?"

"CARLSBAD, N.M. — For 15 years, workers from this dusty New Mexico town have made the 26-mile drive down a series of worn two-lane highways until reaching a strange complex of alabaster buildings in the middle of the Chihuahuan Desert."

"Energy companies have been under increasing pressure from shareholder activists in recent years to warn investors of the risks that stricter limits on carbon emissions would place on their business. On Thursday, a shareholder group said that it had won its biggest prize yet, when Exxon Mobil became the first oil and gas producer to agree to publish that information by the end of the month."

"CDC review of seven studies involving over 8,000 children suggests a link between childhood leukemia and exposure to high levels of auto exhaust. Direct cause-effect needs more study, researchers say."

"The food and beverage giant's new sweetener causes confusion with claims of FDA approval."

"Dark clouds of soot and gases spewed by tractors, bulldozers and backhoes are becoming a thing of the past under new federal standards that have forced cleaner diesel engines this year."

"You might expect the biggest lease owner in Canada's oil sands, or tar sands, to be one of the international oil giants, like Exxon Mobil or Royal Dutch Shell. But that isn't the case. The biggest lease holder in the northern Alberta oil sands is a subsidiary of Koch Industries, the privately-owned cornerstone of the fortune of conservative Koch brothers Charles and David."