The emphasis of this text is on the principles that guide decision making in environmental engineering. The concept of mass balance extends throughout the text as a tool for problem soveing, and the text boasts extensive coverage of chemistry, biology and hydrology. Principles' chemistry and biology reviews, along with the coverage of ethics, will aid students in gaining a better understanding of the engineering and science topics presented in the book.

Contents
Introduction
Chemistry
Biology
Materials and Energy Balances
Ecosystems
Risk Perception, Assessment, and Management
Hydrology
Suistainable Energy, Mineral and soil Resources
Water Quality Management
Water Treatment
Wastewater Treatment
Air Pollution
Solid Waste Engineering
Hazardous Waste management
Noise Pollution
Ionizing Radiation
Appendix
Credits
Index