| Book Review | Environmental History, 12.3

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| Book Review | Environmental History, 12.3 | The History Cooperative

Book Review

Dirt: The Erosion of Civilizations. By David R. Montgomery. Berkeley, Los Angeles, and London: University of California Press, 2007. ix +285 pp. Illustrations, notes, bibliography, and index. Cloth $24.95.

Dirt is a euphemism for soil, that vital component of the earth's surface that provides sustenance through agriculture, provides essential cycling of elements between the atmosphere, lithosphere, and biosphere, and provides a store for carbon. In some parts of the world it provides a record of environmental and cultural change, but in others its existence is threatened by the dual forces of people and nature that cause soil erosion, which, in turn, is a threat to nature and culture

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