According to the Greenies, Fracking is seriously dangerous for the environment. To prove it, they protest Fracking using signs held together by PVC pipe; which is a by product of, you guessed it: OIL.
Just in case you aren’t familiar with what Fracking is: Fracking is short for Hydraulic Fracturing:
Defective Casings allow natural gas can escape into water wells. It’s not the technology of fracking, it’s the processes used that can contaminate water sources.