This book explores the transformative potential of integrating behavioural economics and computational intelligence to address today’s complex sustainability challenges. Featuring contributions from global experts across disciplines—including economics, cognitive science, data analytics, and environmental studies—it presents innovative frameworks and AI-driven strategies for informed, ethical, and sustainable decision-making. Topics include behavioural modelling, neuroeconomics, policy simulation, and intelligent governance. Bridging theory and practice, the book is ideal for researchers, policymakers, and practitioners seeking data-informed solutions that centre both human behaviour and technological advancement. It is a timely resource for building equitable, efficient, and future-ready systems in a rapidly evolving world.