Renewable Energy Sources and Climate Change Mitigation The IPCC (Intergovernmental Panel on Climate Change) Working Group III Special Report on Renewable Energy Sources and Climate Change Mitigation (SRREN) presents an assessment of the literature on the scientific, technological, environmental, economic and social aspects of the contribution of six renewable energy sources to the mitigation of climate change. It is intended to provide policy relevant information to governments, intergovernmental processes and other interested parties. This Summary for Policymakers provides an overview of the SRREN, summarizing the essential findings. This a conversion to an electronic book format based on the IPCC’s Plenary approved material; it is limited to the Summary for Policy Makers (SPM), and based on material not subject to copyright. The official version of the summary and the complete report are available from the IPCC.