In late 2000, the management and board of the Natural Resources Defense Council (NRDC) formally established global warming as their main priority. In January 2001, NRDC retained the Bridgespan Group to help define its options and develop a comprehensive strategy that would position the organization to maximize its impact. This white paper describes the process that NRDC underwent to determine which specific interventions the organization would support, what scale of effort would be required, how NRDC would accommodate the political realities inherent in the problem and how the NRDC would structure and manage its climate team to maximize effectiveness while minimizing internal cultural issue