• The Ecosystem: Network of Life (1972)
• The Great Lakes: A Matter of Survival (1972)
• Man Makes a Desert (Revised) (1985)
• Man's Effect on the Environment (1970)
• Men at Bay (1970)
• The Natural History of Our World: Time of Man (1970)
• Symbiosis (1973)
• Which Is My World? (1971)
• Grasslands of the World (1978)
• Conflicts in American Values: Where Do We Grow From Here? (1974)
• Angler's Autumn (1977)
• Of Men and Demons (1970)
• Noise (1970)
• Columbia River: Economic Lifeline of the Northwest (1967)
• Ohio River: Industry and Transportation (1970)
• Rio Grande: Where Four Cultures Meet (1972)
• St. Lawrence Seaway: Pathway to the Atlantic (1969)
• Tennessee River: Conservation and Power (1971)
• Home Heating with Wood (1978)
• The Cost of Cotton (1979)
• Organic Farming (1976)
• The Amazon: A Vanishing Rainforest (1988)
• The Third Millenium (1982)
• Jari (1983)
• The Land Burns (1968)

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