The primary objective for this study is to develop a comprehensive, participatory, and indigenously oriented climate change review study in Zanzibar, in order to address the required national implementation formula in climate change adaptation and mitigation. As part of this, the study has assessed: 1. The current climate and the current costs of climate variability; 2. The impacts and economics costs of climate change; 3. The costs and benefits of adaptation; and 4. The potential for low carbon growth. An initial study presentation on the work is available: