In Denton, Texas, a college town north of Dallas that sits atop the Barnett Shale formation, the fight over a referendum banning fracking within city limits is in the final stretch.

The local ballot initiative has global implications, with the energy sector watching closely.

The turmoil in Denton reflects a growing national debate between those concerned with health and quality of life issues, and others who claim the fracking industry is America’s answer to economic growth and energy independence.