this report is a comprehensive, science-based syntheses of current and projected future climate impacts on, and adaptation options for, terrestrial and freshwater resources within the main Hawaiian Islands. This project is part of the Pacific Islands Climate Change Cooperative's multi-year Hawaiian Islands Terrestrial Adaptation Initiative. Find Vulnerability Syntheses, Adaptation Summaries and Brief reports for each island: Maui, Lāna'i, Kaho'olawe, O'ahu, Hawai'i, Kaua'i.