Год издания: 2004
Количество страниц: 656
В продаже с 18.01.2012
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Natural Resource Conservation is written for the introductory resource conservation course. It is designed to provide comprehensive coverage of a variety of local, regional, national, and global resource and environmental issues from population growth to wetlands to sustainable agriculture to global air pollution. The first edition of this book was published in 1971, a year after the first Earth Day, by our esteemed colleague, the late Oliver S. Owen. To many observers, Earth Day marked the formal beginning of the environmental movement in the United States. Since that time, impressive gains have been made in air and water pollution control, species protection, forest management, and rangeland management. Despite this progress, many environmental problems still remain. Many others have grown worse. In 1970, for instance, the world population hovered around 3 billion. Today, it has exceeded the 6.4 billion mark and is growing by more than 80 million people a year. Hunger ...