coal

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.

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.

For decades, coal was king of electricity generation in the U.S., but that's changing. Across the country, coal power plants are being replaced with generators that run on cleaner burning natural gas.

The coal region of western Kentucky has managed to keep its mining industry alive through changing energy trends of the past few decades. That is, until now.

The Paris climate talks are said to be the best chance in 20 years to reach a global treaty. But India argues little will change unless fossil-fuel-reliant rich countries change their habits.

The city of Luliang, in China's coalfields, was to become home to a $5 billion business district. But corruption, reckless pursuit of growth and overcapacity led to a crash in its industrial economy.