Oil field workers pull pipes from a fracking well March 31, 2016 near, Crescent, Oklahoma. The United States Geological Survey estimates that more than 7 million people live in areas at risk of human-induced earthquake damage. | J. Pat Carter/Getty Images

New Filter Removes Contaminates From Fracking Wastewater

Millions of gallons of wastewater are produced during the fracking process, but this device could help reduce the oil and gas sector’s environmental impact.

An illustration of the fracking wastewater filter | Rice University