The book covers contemporary environmental issues related to such subjects such as: drinking water, air pollution, waste water, hazardous waste and groundwater, and it focusses on current research activities, emerging technologies and future trends.For each major topic area, an overview paper covers the current state of the technology. The individual papers were independently reviewed by scientists and engineers knowledgeable in the field and complemented by summaries that include references to other related work, and additional technical discussion or comments about the subject matter. An introductory chapter in English and French provides an overview of all the papers and summarizes crucial issues presented in the papers and their interrelationship.