California Climate Change Symposium 2015 is the premier forum for the sharing of cutting-edge research addressing the impacts of climate change on the state. This research informs the state’s strategies and policies to reduce greenhouse gas emissions and to develop programs to safeguard California from a changing climate. California Climate Change Symposium 2015 is convened by the California Natural Resources Agency, the California Environmental Protection Agency, the Governor’s Office of Planning and Research, and the Intergovernmental Panel on Climate Change (IPCC).