This handbook offers a comprehensive guide for built environment students, educators, and practitioners interested in integrating sustainable solutions into their projects. With climate change posing a global emergency, this handbook provides a timely guidance and inspiration, showcasing practical information and case studies from two distinct geographical locations: India and Australia. This handbook also presents innovative approaches for teaching and learning about sustainable built environment practices, highlighting engaging teaching methods used in both India and Australia to equip future sustainability leaders with the necessary skills and knowledge to address the climate emergency. It also showcases detailed case studies demonstrating best practices in sustainable built environments, with practical suggestions for implementation and scalability. Additionally, the handbook discusses the role of policy and governance as an enabler for climate change mitigation and sustainable transitions in both India and Australia. The book is a valuable reference for built environment students, educators in sustainable design and construction, practitioners in architecture, engineering and construction, policymakers and government officials involved in urban planning and sustainability and professionals seeking to enhance their understanding of sustainable practices in the built environment.