Having originally defined the Environmental Geology course, this text is considered the most comprehensive yet readable book for a course at this level. Keller continues to offer the most detailed, current research available. He covers a wide range of topics, discussing everything from fundamental geologic principles to the specifics of environmental law and geologic hazards, from a truly environmental perspective. The Ninth Edition emphasizes the engineering geology approach, with more quantification of relationships, especially in the discussion of soil and rock mechanics and landslides. Philosophy and Fundamental Concepts; Earth Materials and Process; Soils and Environment; Geology and Ecosystems; Introduction to Natural Hazards; Rivers and Flooding; Landslides and Related Phenomena; Earthquakes and Related Phenomena; Volcanic Activity; Coastal Hazards: Coastal Erosion and Hurricanes; Impact of Extraterrestrial Objects; Water Resources; Water Pollution; Mineral Resources and Environment; Energy and Environment; Global Climate Change; Geology and Society. A readable, comprehensive reference for environmental geology.