Introduction. Basic Concepts: Energy Inputs and Geomorphological Activity. The Basics of Change: Stress, Strain and Strength. Earth Surface Systems. The Behaviour of Earth Surface Systems. System Controls: Geology; Engineering Soils; Mobile Sediments; Climate Variation; Sea-Level Change. The Nature of Change: Rates and Events. The Implications of Change: Hazards and Risks. Construction Resources: Aggregates. Engineering and Change: Environmental Impacts. Slopes: The Supply of Water and Sediment; The Role of Water; Soil Erosion by Water; Wind Erosion and Deposition; Landslides; Landslide Hazard and Risk; Karst Terrain. Rivers: The Drainage Basin; Water and Sediment Loads; Channel Form; Channel Change; Flooding; Flood Hazard and Risk; The Coast: Energy Inputs; Sediment Cells and Budgets; Hazard and Risk Assessment; Estuaries, Mudflats and Saltmarshes; Deltas; Fringing Beaches; Barrier Beaches; Dunes; Cliffs. Common Techniques: Methods of Investigation. Desk Study and Initial Terrain Models. Geographical Information Systems. Satellite Imagery and Aerial Photographs. Historical Research. Terrain Evaluation. Geomorphological Mapping. Measurement and Monitoring of Change. Dating Methods. Uncertainty and Expert Judgement. Further Reading