There are many advantages of ...

There are many advantages of Hydro fracking, but the main is that it is the only way to extract the maximum oil and natural gas out of existing wells and to feed the needs of an energy hungry world. But the evnvironmentalist are worried for the waste water and the chemical used. It will be good to see that what other has to say about it. In my opinion the energy consumption is huge in this process and what we get in return is less.