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.
How The Deck Is Stacked
We hear from a retired West Virginia miner and another just starting his career.
Though jobs have fallen to their lowest level in 118 years, there is hope that coal production will come back.