This volume, Berlin workshop series 2010, contains a selection of papers presented at the 11th International Policy Workshop, held in Berlin, September 28-30, 2008. The workshop was jointly organized by Inwent-Capacity Building International, Germany, and the World Bank in preparation for the World Bank's World Development Report 2010. It provided a forum for an exchange of ideas and viewpoints that contributed to the development of the report. The report will accordingly have six parts, each describing, explaining, or drawing lessons from the climate change that have been observed in both developed and developing countries. Part one looks at climate change as a challenge to development policy. Part two highlights the role of technological innovation and alternative energy sources in promoting sustainable development. Part three examines natural resource governance for adaptation, mitigation, and development. Part four examines the role of the private sector and nongovernmental organizations in addressing climate change. Part five explores financing mechanisms for climate change mitigation and adaptation. Part six and last addresses the capacity and governance of developing countries in mitigating climate change.