A method for extracting natural gas from shale formations originally developed by the Halliburton Corporation has come under fire for, among other things, making tap water flammable. Tap water is made flammable by high concentrations of methane gas dissolved in it. The process, also known as hydraulic fracturing, consists of mixing millions of gallons of local drinking water with diesel fuel and other toxic chemicals and then forcing it into shale formations under immense pressure to fracture the rock and release trapped pockets of natural gas. Congress Acted to Exempt Fracking from Environmental Laws Former CEO of Halliburton, then Vice President... read more >>