As the coal industry struggles with falling prices, weak Chinese demand, regulatory changes and competition from fracking, St. Louis-based Peabody has filed for Chapter 11 bankruptcy protection.
Energy and Environment
All Energy and Environment Stories
As governor, Bill Ritter made clean energy a priority. Now he says that the U.S. needs to move even faster to mitigate effects of climate change.
Nuclear power is carbon-free and remains the source of about 20 percent of U.S. electricity. But natural gas, wind and solar are often cheaper, and unprofitable reactors are being shut down.
Filmmaker Chris Wheeler explores the forces that shaped five Colorado landmarks.
The former Massey Energy CEO also must pay a $250,000 fine for his role in a 2010 mining disaster that killed 29 miners.
A Florida dairy farmer has had to dump hundreds of gallons of skim milk from her creamery because she doesn't add vitamins back in. Legally, that makes it an "imitation milk product."
Over the past century, small-town seed businesses have given way to global enterprises. The story of one small seed company in Nebraska helps explain what drove the transformation.
Gov. John Hickenlooper is looking for ways to defuse a Republican effort to strip funding from the state agency developing the plan.
A scientist's encounter with falling rock -- and an outdated guidebook -- led him study how changing environments affect climbers.
Israel is mostly dry and arid, but it started earlier than most countries at figuring out how to move and store water.
Before the Model 3 was even unveiled, people lined up at Tesla stores to put down a deposit. With a base price of $35,000, the car will go on sale late next year at the earliest.
Oil worker Dustin Bergsing, 21, was found dead on top of a North Dakota oil tank in 2012. A journalist and a doctor looking into the death found a pattern of similar fatal accidents.
Parts of Oklahoma and Texas have about the same risk of an earthquake as parts of California, the maps show. Why? Wastewater that oil and gas operations are pumping into wells adds pressure on faults.