This text emphasizes the environmental practices that support human life as well as the need to control factors that are harmful to human life. Chapters focus on the requisites of life, water, air, food, space, and shelter. Chapters also address proper management of wastewater treatment, solid waste management, insect and rodent control and agents that cause diseases. Content includes: 1. World Population. 2. Fundamentals of Environmental Health. 3. Chronic and Communicable Diseases. 4. Water Supplies. 5. Environmental Health in Recreational Areas. 6. Wastewater Treatment. 7. Solid and Hazardous Waste Management. 8. Vectors and Their Control. 9. Principles of Toxicology. 10. Radiological Health. 11. Food Quality Control. 12. Shelter Environments. 13. Environmental Safety. 14. Air Quality. 15. Occupational Health. 16. Environmental Planning. 17. Principles of Environmental Health Administration.