Voters in coal country overwhelmingly chose Donald Trump. They liked his promises to create jobs, even if they didn't like his other rhetoric. Now, they're waiting to see if coal can make a comeback.

In 2016, the collapse of the coal industry hit the epicenter of U.S. production: Wyoming. Miners reflect on hard times, and how they're hedging their bets in a shrinking industry.

A crude oil pipeline in western North Dakota has leaked nearly 200,000 barrels of oil. The scene is about 150 miles west of where protesters have been fighting the Dakota Access pipeline.

The federal decision to stop work on the Dakota Access Pipeline in order to have consultation with the tribes may mark a turning point in relationships with tribes over infrastructure projects.

Renewable energy is taking off across the nation, but storing the energy is still a problem that is challenging companies to innovate, with solutions ranging from molten salt to ice.

Batteries can store energy for later, but companies are looking for cheaper alternatives. Three reporters examine technologies that employ air, salt and ice.

Peabody Coal, one of the largest coal producers in the world, is teetering on the edge of bankruptcy. It would be the latest in a string of major coal companies going under. But drive through Wyoming's Powder River Basin, where 40 percent of U.S. coal is mined, and it's as if nothing has changed, even at sites owned by bankrupt companies.

The U.S. coal industry is fading. As more companies declare bankruptcy, they may not be able to pay for land restoration projects — and taxpayers could be left with the cleanup bill.

The ability to store energy could revolutionize the way electricity is made and used. But for many utility companies and regular folks, energy storage is still too costly and difficult.

Wyoming has long been one of the whitest states in the country, but over the last few years its black population has more than doubled. African-Americans still make up a tiny percenta...