The carbon tax on coal extraction would be a net jobs creator. (sightline.org)
We've looked at the problems that coal extraction faces. (energyskeptic.com)
Mining and ballads have gone together through the ages, from the early days of coal extraction in Britain and Wales on through another standard I sing in Uncle Wade — Merle Travis's «Dark as a Dungeon» — and forward to Sting's tune «We Work the Black Seam.» (dotearth.blogs.nytimes.com)