This book compiles peer-reviewed papers from 2024 6th International Conference on Resources and Environmental Research (ICRER 2024), which was held in Hong Kong, China, from 6 to 8 December. The conference, held annually in the Asia-Pacific Region, serves as a platform for industry practitioners, policymakers, and researchers to exchange the latest advances in natural resources and environmental engineering. Topics covered in the book encompass natural resource management, water resources and river basin management, solid waste management, soil, water, and air pollution control, climatic changes, ecosystem management, and sustainable development.