Science for Better Environment: Proceedings of the International Congress on the Human Environment (HESC) focuses on the applications of science in health, human settlements, and protection of the environment. The selection first offers information on the background of HESC, including human settlements and habitat, environment and development, natural disasters, and energy. The text then discusses human’s place in natural ecosystems, along with essential properties of ecosystem, auto-regulation in ecosystem, and collapse of symbiosis between human and nature. The compilation presents a summary of the environmental problems in Japan, including progress and outstanding issues in the environmental field. The water pollution from 1970 to 1975 and air pollution control in the country are underscored. The text also explains the development of antipollution laws in the country. Topics include local government antipollution laws, creation of antipollution laws, and clarifying the responsibility of industries in antipollution drives. The book also touches on the role of scientists in the task of achieving a better environment; challenges of stress on human health in urban ecosystems; and environmental problems on a global scale. The selection is a dependable reference for readers interested in the application of science for the improvement of the environment.