This book presents the select proceedings of the International conference of Sustainability in Environmental Engineering and Science (SEES) 2021. It presents the latest developments in civil engineering that cover all aspects and challenges in civil engineering, environmental engineering and environmental science. Various topics covered in this book include construction and structural mechanics, building materials, concrete, steel and timber structures, geotechnical engineering, earthquake engineering, and coastal engineering. The volume will be useful for beginners, researchers, and professionals working in the areas of sustainable civil engineering and related fields.