But aggressive development is drawing new scrutiny from residents who live near gas fields, even in energy-intensive states such as Wyoming, where one in five jobs are linked to the oil and gas industry which contributed more than $15 billion the state economy in 2007.
People living near gas drilling facilities in states including Pennsylvania, Colorado, New Mexico and Wyoming have complained that their water has turned cloudy, foul-smelling, or even black as a result of chemicals used in a drilling technique called hydraulic fracturing, or "fracking." FULL STORY