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Complex environmental problems are often reduced to an inappropriate level of simplicity. While this book does t seek to present a comprehensive scientific and technical coverage of all aspects of the subject matter, it makes the issues, ideas, and language of environmental engineering accessible and understandable to the ntechnical reader. Improvements introduced in the fourth edition include a complete rewrite of the chapters dealing with risk assessment and ethics, the introduction of new theories of radiation damage, inclusion of environmental disasters like Cherbyl and Bhopal, and general updating of all the content, specifically that on radioactive waste. Since this book was first published in 1972, several generations of students have become environmentally aware and conscious of their responsibilities to the planet earth. Many of these environmental pioneers are w teaching in colleges and universities, and have in their classes students with the same sense of dedication and resolve that they themselves brought to the discipline. In those days, it was sometimes difficult to explain what indeed environmental science or engineering was, and why the development of these fields was so important to the future of the earth and to human civilization. Today there is question that the human species has the capability of destroying its collective home, and that we have indeed taken major steps toward doing exactly that. And yet, while, a lot has changed in a generation, much has t. We still have air pollution; we still contaminate our water supplies; we still dispose of hazardous materials improperly; we still destroy natural habitats as if other species mattered. And worst of all, we still continue to populate the earth at an alarming rate. There is still a need for this book, and for the college and university courses that use it as a text, and perhaps this need is more acute w than it was several decades ago. Although the battle to preserve the environment is still raging, some of the rules have changed. We w must take into account risk to humans, and be able to manipulate concepts of risk management. With increasing population, and fewer alternatives to waste disposal, this problem is intensified. Environmental laws have changed, and will doubt continue to evolve. Attitudes toward the environment are often couched in what has become kwn as the environmental ethic. Finally, the environmental movement has become powerful politically, and environmentalism can be made to serve a political agenda. In revising this book, we have attempted to incorporate the evolving nature of environmental sciences and engineering by adding chapters as necessary and eliminating material that is less germane to today's students. We have nevertheless maintained the essential feature of this book -- to package the more important aspects of environmental engineering science and techlogy in an organized manner and present this mainly technical material to a nengineering audience. This book has been used as a text in courses which require prerequisites, although a high school kwledge of chemistry is important. A kwledge of college level algebra is also useful, but calculus is t required for the understanding of the technical and scientific concepts. We do t intend for this book to be scientifically and technically complete. In fact, many complex environmental problems have been simplified to the threshold of pain for many engineers and scientists. Our objective, however, is t to impress ntechnical students with the rigors and complexities of pollution control techlogy but rather to make some of the language and ideas of environmental engineering and science more understandable.
Member of the National Academy of Sciences advisory panel. Former Professor of Environmental Studies at Western Washington University for 19 years.
J.Jeffrey Peirce, P. Aarne Vesilind, Ruth F. Weiner
Elsevier Science & Technology
Date of Publication
Geography & Earth Science: Textbooks & Study Guides