This report presents a comprehensive regional assessment of the Mediterranean, Middle East, and Sahel in terms of climate change impacts, vulnerabilities, conflict/cooperation and human security at various scales and in a variety of contexts. The Climate Change, Hydro Conflicts and Human Security (CLICO) project builds on interdisciplinary and cross-comparative research covering a variety of geographical scales and historical contexts to unravel social, political, environmental/ ecological and economic conditions in relation to the environment.