A liveable built environment, along with stable access to food and water, is one of the cornerstones of societal well-being worldwide. This book brings together a global cross-section of researchers and engineers from a range of disciplines and presents their insights into materials and processing technologies that can help pave the way for the sustainable built environments our future calls for. Featuring cutting-edge approaches, from reimagining material supply chains to harnessing 3D printing for eco-friendly materials, this book explores the art of cob building, looks at the potential of bio-based materials, and explains circular economy principles in construction. Readers will discover novel uses of agricultural by-products, delve into hemp-based solutions, and gain an understanding of the chemistry behind eco-conscious concretes. Within these pages lies an unveiling of pathways to waste reduction, resource optimization, and seamless integration of nature into construction. With insights encompassing timber, cement, masonry, and more, this book stands as an indispensable resource for professionals and enthusiasts actively shaping a greener built environment while drawing upon a mix of contemporary scientific advancements and ancestral wisdom.