1. Case for Adaptation.- 2. Human Dimensions of Water Security.- 3. Why is Uncertainty a Game Changer for Water Policy and Practice?.- 4. Hidden Vulnerabilities in the Water-Energy-Land-Food (WELF) Nexus.- 5. Meaning, Purpose and Value of Water.- 6. Decision Making under Uncertainty (DMUU).- 7. Urban Climate Adaptation.- 8. Social Learning for Water Sector Resilience.- 9. Strategies for Resilience