Circular Water Economies offers a comprehensive exploration of innovative, sustainable approaches to managing water resources in a rapidly changing world. This essential volume delves into the principles of circular economy models applied to water systems, highlighting solutions that integrate wastewater treatment, resource recovery, green infrastructure, and adaptive governance. Drawing on global case studies and cutting-edge research, the book provides practical strategies for enhancing water security, promoting resilience against climate change, and fostering sustainable development in urban and rural contexts. It serves as an invaluable resource for researchers, policymakers, engineers, and environmental practitioners seeking to advance sustainable and regenerative water management practices for a resilient future.