by Mike ‘Mish’ Shedlock
Hydraulic fracturing, commonly called “fracking” is a technique used to extract oil and natural gas from wells. Fracking refers to how rock is fractured apart by a high pressure mixture of water, chemicals, and sand.
The process is controversial. Proponents say fracking is safe, but concerns abound.
What follows is a guest post by Richard (Rick) Mills at “Ahead of the Herd” on the environmental concerns of fracking.