Fully revised and updated, this second edition provides a systematic review of nature-based solutions and their potential to address current environmental challenges. With growing recognition of the need to work with ecosystems to address global environmental challenges there is now a move towards nature-based solutions, which involve utilizing nature’s ecosystem to solve societal challenges while providing multiple co-benefits. This book systematically reviews nature-based solutions from a public policy angle, assessing policy developments which encourage the implementation of nature-based solutions to address societal challenges while simultaneously providing human well-being and biodiversity benefits. This expanded second edition delves deeper into how these solutions can foster sustainable development, enhance human well-being, and conserve biodiversity. With new case studies from the Global North and Global South, the book offers fresh insights into policy implementations and innovative approaches. Highlighting recent advancements in technology, such as AI, and policy frameworks, it provides a critical analysis of nature-based solutions' effectiveness in various contexts, including urban and rural environments. The book also explores emerging trends, such as the integration of traditional knowledge and community-led initiatives, enhancing its relevance for policymakers, researchers, and practitioners. This edition is not only a valuable resource for understanding the current landscape but also a guide for future sustainable strategies, emphasizing the importance of collaborative efforts in tackling environmental challenges. The book concludes by providing a best practice guide for those aiming to turn societal challenges into opportunities. This book will be of great interest to policymakers, practitioners, and researchers involved in nature-based solutions, sustainable urban planning, environmental management, and sustainable development generally.