In a world where water scarcity is increasingly dominating management decisions, this book offers a comprehensive examination of decision support models in transboundary water management, and a groundbreaking approach to resolving international water conflicts.The book's distinctive strength lies in its holistic approach, bridging theoretical innovations with practical applications.By bringing together an international team of experts from various disciplines, it offers a nuanced, comprehensive strategy for navigating the complex landscape of water negotiations, including forward-looking perspectives on employing decision support models in future water diplomacy efforts. This is a compelling guide for anyone interested in how nations can work together to manage our most precious resource in an era of climate change and globalization that manifest in increasing environmental challenges, revealing how data, technology, and creative problem-solving can transform potential water disputes into opportunities for cooperation. Drawing on real-world cases from rivers across the globe, this volume is an essential resource for researchers, policymakers, water resource managers, and diplomats seeking sophisticated, data-driven approaches to resolving international water-sharing challenges.