Horizon: Geologist Iain Stewart investigates a new and controversial method of extracting natural gas from deep underground that involves hydraulic fracturing - or Fracking, as it is known. He travels to America to find out what the process is and what can be learned from the US experience, meeting people who have become rich from it, as well as those bothered about any risks to their communities.

Starring:

Bernard Hill, Jack Fortune

Genre:

Documentary