|Fracking - An animated explanation|
|Written by Charles|
|Monday, 07 November 2011 22:17|
A couple of days ago in the US the state of Oklahoma experienced an earthquake, the biggest in its recorded history. Oklahoma does not have very many earthquakes at all, so this one was intriguing. Turns out the epicenter of the quake is in the heart of an area where "fracking" is used to extract oil and natural gas from deep below the surface.