Natural Resource Conservation: Management for a Sustainable Future - Tapa dura

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Dan Chiras earned his Ph.D. in reproductive physiology in 1976 from the University of Kansas Medical School. He is currently an adjunct professor at the University of Colorado in Denver and at the University of Denver, where he teaches courses on sustainable development and global environmental issues. He has published 17 books and over 200 articles in journals, magazines, newspapers, and encyclopedias. Dr. Chiras lectures about a variety of topics, including ways to build a sustainable society. His newest book is The Natural House: A Complete Guide to Healthy Energy-Efficient, Environmental Homes. Besides his scientific and environmental pursuits, Dr. Chiras is a river runner, cross-country skier, bicyclist, organic gardener, and musician. He and his sons live in a nearly self-sufficient home in Evergreen, Colorado, overlooking the snowcapped Rocky Mountains.

John Reganold received his Ph.D. in soil science from the University of California at Davis in 1980. As a professor of soil science at Washington State University, he teaches courses on introductory soils, land use, and soil management and conducts research in land use and sustainable agriculture. He also advises undergraduate and graduate students in soil science and environmental science. His excellence in teaching and research has been recognized by several awards from Washington State University. Dr. Reganold's research focuses on the effects of alternative and conventional farming systems on soil and crop quality, farm profitability, environmental quality, and energy efficiency. In addition to his research, he enjoys spending time outdoors, swimming, cycling, and backpacking.