Sustainability Through Green Science and Technology. The Five Environmental Spheres. Green Chemistry, Biology, and Biochemistry. Water: A Unique Substance Essential for Life. Aquatic Biology, Microbiology, and Chemistry. Keeping Water Green. The Atmosphere: A Protective Blanket Around Us. Environmental Chemistry of the Atmosphere. Sustaining an Atmosphere for Life on Earth. The Geosphere. Soil, Agriculture, and Food Production. Geospheric Hazards and Sustaining A Green Geosphere. The Biosphere: Ecosystems and Biological Communities. Toxic Effects on Organisms and Toxicological Chemistry. Bioproductivity for a Greener Future. The Anthrosphere as Part of the Global Environment. Industrial Ecology for Sustainable Resource Utilization. Adequate, Sustainable Energy: Key to Sustainability.