Appalachian Mountain Club AMC’s General Policy on Windpower addresses appropriate siting policies to protect critical natural and ecological resources of state or national significance. Renewable Energy Policy Project (REPP) REPP supports the advancement of wind and other renewable energy technology through policy research. Clean Energy States Alliance (CESA) Nonprofit organization comprised of members from 16 clean energy funds and two state agencies; provides information and technical services to its members and works with them to build and expand clean energy markets in the United States. Database of State Incentives for Renewable Energy (DSIRE) Comprehensive source of information on state, local, utility, and selected federal incentives that promote renewable energy. Union of Concerned Scientists Annotated bibliography of wind resources by topic.