单项选择题

Until recently, the industry has had little guidance in how to proceed with development without harming wildlife. Regulations are mostly imposed by states or local authorities, whose patchwork guidelines vary from stringent (严格的) to lax (不严格的, 松懈的). The wind Turbine Guidelines Advisory Committee-established in 2007 under the U. S. Fish and Wildlife Service, is proposing federal recommendations to reduce wind development’s effect on wildlife. Composed of wind-industry members, wildlife officials, and federal authorities, the committee will present the recommendations to the secretary of the interior for review in October. The recommendations are voluntary, but according to David Stout of the U. S. Fish and Wildlife Service, the guidelines will be" unprecedented in terms of companies agreeing to hold themselves to a higher standard."
Presently, most regulations on the wind industry are set up by