Two well-known geologists bring considerable writing experience and professional expertise to this introductory text that strongly emphasizes the environmental aspect of earth science. Full-color art by famed scientific illustrator George Kelvin adds clarity and visual appeal. Additionally, the active and changing nature of earth science is emphasized. Features: * 1995 Version incorporates latest information on Big Bang, 1994 southern California earthquake, 1993 Mid-West floods, and Exxon Valdez proceedings. * Updated "Earth Science and the Environment" boxes highlight high-interest environmental themes such as the ozone layer, radon, and energy strategies for the United States. * A discussion of air pollution in Chapter 18 enlightens students about this crucial environment concern. * Thorough discussion of internal processes/plate tectonics before surface processes focuses on earth as an influence on the activities of the earth. * A separate Chapter on geographic resources reinforces the autors' commitment to current environmental issues. * Two separate chapters on rocks and minerals emphasize their importance as the framework for earth science and increase student understanding. * "Focus On" boxes take an in-depth look at interesting topics in earth science, such as earthquakes in the central and eastern United States. "Memory Device" boxes provide word origins to aid in memorization of key words. * End-of chapter pedagogy now asks students questiond about drawings, maps, and diagrams in each chapter.