Also, unpopular!

All of a sudden, everyone hates coal. (This may be a slight exaggeration.)

Shares of coal mining companies tumbled Monday as inventories continued to build with weaker demand in the slowing global economy. …

The coal industry has been battered this year as utilities switch to cheap natural gas from coal to generate electricity. Natural gas prices are low because of huge supplies resulting from widespread drilling in the nation’s shale deposits and soft demand for gas in the mild winter across much of the nation.