Amy Sisk

As renewables make up a bigger share of the nation's energy grid, some worry about blackouts when the wind doesn't blow. But grid operators say they're getting better at balancing energy resources.

The Army Corps of Engineers has granted the final easement needed to finish the controversial Dakota Access Pipeline, according to a court filing Tuesday.

North Dakotans have mixed opinions about the Dakota Access Pipeline, which has been put on hold. Oil and gas is a big industry in the state.

Hours from Standing Rock, N.D., is another reservation, in the the Bakken oilfield's sweet spot. Drilling has brought in millions of dollars, but the tribes have environmental worries, too.

Law enforcement in North Dakota arrested more than 140 on private land owned by the pipeline company. The Standing Rock Sioux Tribe wants to prevent the pipeline from running under the Missouri River.

An Obama administration decision to suspend construction on a controversial oil pipeline in North Dakota is a game changer for efforts to protect tribal lands, officials say.

The Obama administration is halting construction on the pipeline after concerns were raised by a nearby Native American tribe. A federal judge previously ruled construction could proceed.