This book adopts a multidisciplinary approach to explore the intricate relationship between water, energy, and societal well-being. It combines environmental, economic, social, and technological perspectives to comprehensively analyse waters crucial role in energy generation and its essential function in supporting life. This book highlights the need for integrated strategies to address water management and energy production challenges to encourage a holistic view of these interconnected issues. The authors provide a nuanced narrative on waters pivotal role in energy security, resource conservation and sustainable development through evidence-based insights, theoretical frameworks, and global case studies. The authors argue for the need for a re-evaluation of practices and policies to achieve a balanced coexistence between human activities and natural resources. This book serves as a resource for researchers, policymakers, and practitioners, offering innovative solutions and methodologies for addressing the complexities of the water-energy nexus in the pursuit of sustainability.