This lab guide helps readers learn to make wise choices for sustainability in a finite, changing, and geologically active world. Eighteen exercises cover many current issues in environmental geology and are introduced in four sections. Earth's Materials, Geologic Time, and Geologic Processes; Maps, Aerial Photographs and Satellite Images; Measurements, Basic Calculations and Conversions, and Graphs; Volcanoes, Volcanic Products, and Volcanic Hazards; Hazards of Mount St. Helens; Earthquake Epicenters, Intensities, Risks, Faults, Nonstructural Hazards and Preparation; The Loma Prieta Earthquake of 1989, and Forecasting Earthquakes in the Bay Region; Landslides and Avalanches; Subsidence; River Floods; Coastal Hazards; Groundwater Hydrology; Water Quality Data and Pollution Sources; Lake and River Contamination from Industrial Waste; Groundwater and Surface Water Contamination from Resource Extraction; Groundwater Overdraft and Saltwater Intrusion; Geology and Regional Planning; Global Change and Sustainability. A hands-on reference for anyone who wants to make more informed choices, and review information critically, about the environment.