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Introduction 1. THE ATMOSPHERE - BENEVOLENT DUSTBIN: Introduction The value of atmosphere Modifying the atmosphere Atmospheric pollution 2. OUR CHANGING VEGETATION: Introduction The value of vegetation Vegetation change Reasons for and causes of change Vegetation and alien species Vegetation and atmospheric pollution Desertification Fuelwood Local examples of vegetation change Case study: the West Coast forests' story Hope for the future 3. SOIL AND THE HUMAN IMPACT: Introduction The value of soil What is soil? Changes to the soil Causes of soil erosion Types of soil erosion Remedial measures Case study: the Whareama story — Wairarapa, New Zealand Erosion and conservation in Britain 4. THE LAND - SCRATCHING THE SURFACE: Introduction Land reclamation Slope modification Subsidence Hazard warning Volcanic hazards Earthquake hazards Endpiece Case study: the Parkfield story Bibliography.