Reuters: The residents of Grant Township, Pennsylvania, were worried about Little Mahoning Creek, a picturesque trout stream best fished in the spring when the water runs fast. The Pennsylvania General Energy Company had acquired a federal permit to drill an injection well down 7,000 feet about seven miles from the creek to dispose of wastewater from its natural gas hydraulic fracturing operations. Fearing the operation would harm the Little Mahoning watershed, the towns supervisors last year passed a...