Sentences with phrase «coal extraction faces»
We've looked at the problems that coal extraction faces.
http://energyskeptic.com/ Not exact matches
Longwall mining involves the full extraction of coal from a section of the seam, or «face» using mechanical shearers.
We are also facing extreme extraction of fossil fuels, in particular coal mining, hydraulic fracking, and tar sands, as well as tar sands pipelines.