Near Bradshaw, Nebraska, the four Harrington sisters fight the Keystone XL pipeline, which they fear could threaten land their family has farmed for 150 years. Their unpainted, solar-powered barn, plastered with slogans, sits smack in the path of the pipeline.

"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."

"Hours after the death of Saudi Arabia’s ruler, his successor, King Salman, moved quickly on Friday to project a sense of continuity, saying in a televised address that the oil-rich nation, a Western ally that has long played a dominant role in Arab politics, would not change course."

"The new, freewheeling Senate of Majority Leader Mitch McConnell presided over an agitated debate on the Keystone XL pipeline that churned into Friday’s wee hours and ended with aggrieved Democrats crying Koch."

"WINNIPEG, Manitoba — Hillary Rodham Clinton on Wednesday declined again to take a position on the Keystone XL pipeline, telling an audience in Canada that she would not express her views because of an ongoing review by the State Department."

"A county's ban on hydraulic fracturing and drilling conflicts with both state and U.S. law, a federal court in New Mexico found this week."

"What's the best way to drill for oil in a mostly untouched Alaskan tundra, home to migrating caribou, abundant waterfowl, and Native Alaskan hunting and fishing grounds? It depends on which federal agency you ask."

"A second large oil spill into Montana's Yellowstone River in less than four years is reviving questions about oversight of the nation's aging pipeline network."

"The Senate on Tuesday overwhelmingly approved an amendment to the Keystone XL pipeline bill that is aimed at improving energy efficiency in buildings — a rare moment of bipartisan agreement in a tense debate that is nowhere near being settled."

"With natural gas drilling on the horizon in Western Maryland, dairy farmer Billy Bishoff welcomes the chance to supplement his income by collecting lease or royalty payments on the natural gas that lies beneath his family's 330 acres a few miles northwest of Deep Creek Lake."