Investigates the extent to which climatic and hydrological changes and increasing variability trigger and multiply conflict at various scales or induce cooperation between and within countries and how this affects human security. Studies the relative importance of climatic, hydrological, socio-economic, institutional and political conditions as drivers of human security. Investigates the specific governance challenges of transboundary water basins resulting from uncertainty. Several recommendations are made to guide policymakers at various levels and in a variety of policy areas to improve adaptive capacity, reduce vulnerability and increase human security in the face of climate change.