Explainer: What is fracking? [video] - Sault Ste. Marie Evening News

Explainer: What is fracking? [video]
Sault Ste. Marie Evening News
With the increased earthquakes and controversy surrounding the practice, what exactly is fracking? More properly known as hydraulic fracturing, fracking is a process in which liquid is pumped deep underground at high pressure to fracture shale rock and ...and more »