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Encyclopedia of Global Resources part 46 provides a wide variety of perspectives on both traditional and more recent views of Earth's resources. It serves as a bridge connecting the domains of resource exploitation, environmentalism, geology, and biology, and it explains their interrelationships in terms that students and other nonspecialists can understand. The articles in this set are extremely diverse, with articles covering soil, fisheries, forests, aluminum, the Industrial Revolution, the U.S. Department of the Interior, the hydrologic cycle, glass, and placer mineral deposits. . | 398 Erosion and erosion control Global Resources Klyza Christopher McGrory and David J. Sousa. American Environmental Policy 1990-2006 Beyond Gridlock. Cambridge Mass. MIT Press 2008. Landy Marc Karnis Marc J. Roberts and Stephen R. Thomas. The Environmental Protection Agency Asking the Wrong Questions from Nixon to Clinton. New York Oxford University Press 1994. McMahon Robert. The Environmental Protection Agency Structuring Motivation in a Green Bureaucracy the Conflict Between Regulator y Style and Cultural Identity. Portland Oreg. Sussex Academic Press 2006. Portney Paul R. and Robert N. Stavins eds. Public Policies for Environmental Protection. 2d ed. Washington D.C. Resources for the Future 2000. Rosenbaum Walter A. Environmental Politics and Policy. 7th ed. Washington D.C. CQ Press 2008. Samuel Peter. Lead Astray Inside anEPA SuperfundDisaster. San Francisco Pacific Research Institute 2002. Yeager Peter Cleary. The Limits of Law The Public Regulation of Private Pollution. New York Cambridge University Press 1991. Web Site U.S. Environmental Protection Agency http www.epa.gov See also Carbon Clean Air Act Clean Water Act Climate Change and Sustainable Energy Act Ecosystem services Endangered species Environment and Natural Resources Division Environmental impact statement Environmental law in the United States Hazardous waste disposal National Environmental Policy Act Superfund legislation and cleanup activities United Nations Convention on Long-Range Transboundary Air Pollution Watt James. Erosion and erosion control Category Environment conservation and resource management Erosion is the gradual wearing away of the land surface by natural agents of water wind and ice. Eroded sediments are a major water pollutant. The land is degraded because the soil that remains is of lower productivity and the sediment may damage crops or aquatic environments. Therefore the control of erosion is an important soil conservation and water quality protection practice. .