Developed to inform the 2013 National Climate Assessment, this report compiles the findings of more than 100 scientists and other experts on the state of knowledge about climate change and its impacts on the Hawaiian archipelago and the US-Affiliated Pacific Islands. Case studies and highlights also examine the adaptive capacity of island communities in the region and the issues of freshwater availability and quality; endangered species; regional and community economies; urbanization, transportation, and infrastructure vulnerabilities; ecosystem services; and agriculture sustainability.