U.S. Fish & Wildlife technically has no authority over the use of the surrounding land, but the group requested that Wind Capital take a one-mile setback for all wind turbines to avoid disrupting migratory birds and other wildlife that live near the lake. "The federal government has no right to place a buffer zone on private land," state Rep. Jim Guest said. "But Wind Capital Group is going to listen to them because there are federal tax credits involved." Many environmental and wildlife activist groups have taken pro-wind power positions because the turbines produce electricity without emitting greenhouse gases. ...Despite the allure of green energy, environmental groups have stipulations about where wind farms should be placed.