This proceedings book showcases peer-reviewed papers presented at the 4th International Symposium in Environmental Science and Industrial Ecology (ISESIE) on 23–24 August 2024, in Bangkok, Thailand. Within its pages, readers will find insightful contributions penned by researchers, practitioners, policymakers, and entrepreneurs, exploring the latest advancements in Environmental Science and Industrial Ecology. Encompassing diverse subjects, the book delves into the far-reaching implications of environmental chemical engineering, environment and biological engineering, environmental catalysis, and cutting-edge materials and technologies designed for environmental protection and green building. The content of the book caters to a broad audience, ranging from novices to seasoned professionals; this compilation serves as a valuable resource for anyone involved in the field of Environmental Science and Industrial Ecology.