The decline in coal-fired power plants began with older facilities about a decade ago. Now even younger plants are being retired.
Miners and mine owner have begun negotiations to break the deadlock in Harlan County.
Two of the largest coal-producing mines in the United States were closed down without warning.
A secretly recorded speech by Murray Energy boss is at center of a legal dispute.
While some coal miners continue looking for work in the industry, others look to careers outside of coal for more stability.
While there's plenty of money for free job training in health care and trucking, local workers pack coal classes instead.
Natural gas plants are less expensive.
Some studies have shown increased rates of health problems for people who live near these mining sites.
It's a small part of Kentucky's economy, but it plays a big role in politics.
Here are the numbers behind the much-discussed coal industry in the U.S.