This thoroughly updated Fifth Edition is a comprehensive, practical guide to recognizing, preventing, and treating work-related and environmentally-induced injuries and diseases. Chapters by experts in medicine, industry, labor, government, safety, ergonomics, environmental health, and psychology address the full range of clinical and public health concerns. Numerous case studies, photographs, drawings, graphs, and tables help readers understand key concepts. This edition features new chapters on environmental health, including water pollution, hazardous waste, global environmental hazards, the role of nongovernmental organizations in environmental health, and responding to community environmental health concerns. Other new chapters cover conducting workplace investigations and assessing and enforcing compliance with health and safety regulations.