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This program provides a fascinating survey of environmental topics and concerns such as the environmental costs of energy; acid rain; energy flow and the greenhouse effect; oil spills; tundra, chaparral, desert, grassland and forest biomes; the hydrologic cycle and water pollution; and the recycling of elements in the biosphere. Gives students instant access to an extensive library of environmental illustrations and diagrams that will supplement their notebooks. Contains an instant encyclopedia, printable diagrams and illustrations, and lab activities.