Most of the natural gas is inside shale rock deep deep underground, and fracking is the most efficient way of harvesting it at the moment. It isn't exactly environment friendly, but it produces the most Natural gas.
Companies are using the process of hydro-fracturing most commonly known as Fracking to produce natural gas because this procedure allows them to access difficult to reach resources of oil and gas. Besides, it gives the chance to drive down the gas prices and presents an opportunity to generate electricity at half the CO2 emissions of coal.
