Updated fourth edition presenting a balanced coverage of the environmental chemistry of natural systems, incorporating green chemistry in every chapter. The text offers an active problem-solving approach with exercises incorporated throughout each chapter, as well as a balanced coverage of atmospheric, water and soil chemistry.

Preface
Introduction to Green Chemistry
PART I: AIR AND ENERGY
Stratospheric Chemistry: The Ozone Layer
Ground-Level Air Pollution: Outdoors and Indoors
The Detailed Chemistry of the Atmosphere
The Greenhouse Effect and Global Warming
Climate Change in the Future: Predictions, Consequences, and Controls 
Renewable Energy, Alternative Fuels and the Hydrogen Economy
PART II: TOXIC ORGANIC CHEMICALS
Pesticides
Non-pesticide Toxic Organic Compounds of Environmental Concern
PART III: WATER
The Chemistry of Natural Waters
The Pollution and Purification of Water
Toxic Heavy Metals
PART IV: SOME OTHER ENVIRONMENTAL CONCERNS
Hazardous and Municipal Wastes, and the Contamination of Soils and Sediments 
Radioactivity, Radon and Nuclear Energy
Appendix: Background Organic Chemistry
Answers to Selected Odd-Numbered Problems
Index

COLIN BAIRD, University of Western Ontario, USA

MICHAEL CANN, University of Scranton, USA