Al Jazeera: Fracking has revolutionised the US energy market, with oil and gas extraction lowering household gas prices, reducing energy costs, while helping make the country energy self-sufficient.
Considered faster and more efficient than other methods of extraction, the process involves injecting large volumes of water, chemicals, and sand at high pressure deep underground to dislodge oil and gas.
The oil and gas are separated from the water, which is then pumped deep underground for storage in injection...