EnvironmentOur chanping environment; Solving environmental problems; Ecosystems and energy; Ecosystems and living organisms; Ecosystems and the physical environment; Major ecosystems of the world; Economics, government and the environment; Understanding population growth; Facing the problems of overpopulation; Fossil fuels; Nuclear energy; Renewable energy and conservation; Water: a fragile resource; Soils and their preservation; Minerals: a nonrenewable resource; Preserving Earth's biological diversity; Land resources and conservation; Food resources: A challenge for agriculture; Air pollution; Global atmospheric changes; Water and soil pollution; The pesticide dilemma; Solid and hazardous wastes. |
Contents
Humans in the Environment | 1 |
Adam Werbach Sierra Club on Environmental | 2 |
Solving Environmental Problems | 20 |
Copyright | |
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agriculture air pollution amount animals aquatic areas atmosphere atoms bacteria biome carbon dioxide cause cell respiration CFCs Chapter chemical climate coal conservation consumers contains cost of pollution crops cyanobacteria cycle damage desert developing countries dioxins Earth ecological economic ecosys ecosystem effects electricity emissions energy ENVIROBRIEF environment environmental problems ergy erosion example fertility Figure fishes food web fossil fuels genetic global warming groundwater habitat heat human increase industrial insects lake Lake Washington land landfills layer live million minerals molecules natural gas nitrogen nuclear power nutrients occur ocean organisms oxygen ozone percent pesticides pests photosynthesis population growth power plants precipitation predators produce protect radiation radioactive recycling reduce result risk rivers ronmental salt scientific scientists sewage soil solar solid waste species stratosphere sulfur sulfur dioxide surface temperature tion toxic trees trophic level tropical rain forests United wetlands Wildlife