ExtrAct, a set of Internet-based databasing, mapping, and communications technologies for communities impacted by natural gas development, is a novel platform for community education and civic action. Its objective is to create and distribute open-source, Web-based tools for mapping, analyzing, and intervening in this industry based on supplementing data obtained from state and federal agencies with user-generated reports, complaints, and experiences. All of these tools, though accessible individually, will share information through a unified database. Because these tools will serve both urban and rural populations, we are also developing innovative paper and phone interfaces to the Web services. To develop these tools we are working with a network of lawyers, citizen�s alliances, national activist organizations, and environmental health experts in Colorado, New Mexico, Ohio, New York, Pennsylvania, West Virginia, and Texas.