By "bearing the brunt" you mean "having jobs"? Have you asked them whether they would rather have jobs or not?
Also, they know perfectly well that closing their coal mines doesn't mean that coal doesn't get mined and burned. It just gets mined and burned in other countries where environmental regulations are non-existent.
The simplistic "coal is bad" thesis has a) put a huge number of Americans out of work and b) made the global environment worse.