(June 8, 2017, 11:00 AM EDT) -- HARRISBURG, Pa. — A Pennsylvania appellate panel on June 7 affirmed a lower court’s ruling and held that a municipal zoning hearing board’s decision to pass an ordinance allowing hydraulic fracturing was valid because environmental advocacy groups that had opposed the ordinance did not show that the ordinance would harm the environment (Delaware Riverkeeper Network, et al. v. Middlesex Township Zoning Hearing Board v. R.E. Gas Development LLC, No. 1229CD2015, Pa. Cmwlth.; 2017 Pa. Commw. LEXIS 308)....