Cover title. "March 1979"--Page 2 of cover. "Prepared by Center for Environmental Reporting ... [and] Sigma Data Computing Corporation, Division of Analytical Services."--Page [2]. "Environmental Statistics 1978 contains approximately 200 tables organized into twelve chapters dealing with land and land-based activities (population growth and distribution, land use, wetlands, wilderness, parks, historic sites, risk zones, human settlements, transportation, industrial protection, solid waste, hazardous substances, cropland, forests, grazing land, wildlife, and energy), water (water resources and water quality), and air (air quality)."--Page 11. Includes bibliographical references and index.