Part 1. Humans and sustainability: an overview. Environmental problems, their causes, and sustainability -- Part 2. Science, ecological principles, and sustainability. Science, matter, energy, and systems -- Ecosystems: what are they and how do they work? -- Biodiversity and evolution -- Biodiversity, species interactions, and population control -- The human population and its impact -- Climate and terrestrial biodiversity -- Aquatic biodiversity -- Part 3. Sustaining biodiversity. Sustaining biodiversity: the species approach -- Sustaining terrestrial biodiversity: the ecosystem approach -- Sustaining aquatic biodiversity -- Part 4. Sustaining natural resources. Food, soil, and pest management -- Water resources -- Geology and nonrenewable minerals -- Nonrenewable energy -- Energy efficiency and renewable energy -- Part 5. Sustaining environmental quality. Environmental hazards and human health -- Air pollution -- Climate change and ozone depletion -- Water pollution -- Solid and hazardous waste -- Sustainable cities -- Part 6. Sustaining human societies. Economics, environment, and sustainability -- Politics, environment, and sustainability -- Environmental worldviews, ethics, and sustainability.