Devoted to our planet's natural surroundings, emphasizing the growing concern for environmental issues especially in the area of human/environment interactions. Relates physical geography to other natural and physical sciences, introducing system and modeling approaches. Topics run the gamut from clouds, ocean waves, soils and forests to rocks, minerals, deserts and barren wastes. Material is organized into 52 focused units approximately 10-15 pages each. Features a copious amount of photographs and illustrations.