Op-ed: Don't sell U.S. coal to Asian markets

There is no such thing as "clean" coal. Whether anthracite or bituminous, the stuff is fossilized dirt, and digging it up and shoveling it into a furnace means spreading the filthy, harmful dust. The writer of this NY Times op-ed says it right. If Americans care about the atmosphere we leave for generations to come, we'd better stop burning it, and selling it, too.