This book presents selected papers from the 2022 7th Asia Conference on Environment and Sustainable Development, which was held in Kyoto, Japan, November 4-6, 2022. The event was co-sponsored by the International Network for Environmental and Humanitarian Cooperation, and technically supported by Yokohama National University and the National Institute for Environmental Studies, Japan. The book focuses on environmental restoration and ecological engineering, global environmental change and ecosystems management, environmental dynamics, wastewater and sludge treatment, air pollution and control, and environmental sustainability. The volume is a valuable resource for those in both academia and industry.