Grist: As if we didn`t already have enough filthy, inefficient, unconventional oil-extraction techniques in use in North America, here`s one more: oil shale mining.
A Utah company has received the go-ahead from the states water-quality department to begin operating the first commercial oil shale mine in North America.
Oil shale is not to be confused with shale oil, or shale gas, or oil sands. So what the hell is it? "Contrary to its name," explains Western Resource Advocates, "oil shale contains...