A Framework for Sustainability Science: A Renovated IPAT Identity (PDF). Proceedings of the National Academy of Sciences U S A 99 (12): 7860–7865 2002 environmental Impact identity, population, affluence, impact identity.
How Much Will Feeding More and Wealthier People Encroach on Forests? (PDF). Population and Development Review 27 (2): 239–257 2001 Forests, land use, agriculture.
Nitrogen on the Land: Overcoming the Worries – lifting fertilizer efficiency and preserving land for nonfarming uses Pollution Prevention Review 11 (3): 77–82 2001 agriculture, nitrogen fertilizer, land use.
The Forester’s Lever: Industrial Ecology and Wood Products Journal of Forestry 98 (10): 8–14 2000 Forests, land use, agriculture, wood products, forestry.
Nitrogen fertilizer: Retrospect and prospect (PDF). Proc Natl Acad Sci U S A : 1175–1180 1999 agriculture, fertilizer, nitrogen, industrial ecology, population.
Searching for Leverage to Conserve Forests: The Industrial Ecology of Wood Products in the United States Journal of Industrial Ecology 1 (3): 125–145 1997 agriculture, forest land, forest management, forestry, forests, industrial ecology, intensity of use, land use, material efficiency, timer removals, wood products.
Lightening the Tread of Population on the Land: American Examples (PDF). Population and Development Review 22 (3): 531-45 1996 population, land use, forestry, agriculture.
How Much Land Can Ten Billion People Spare for Nature? (PDF) [external link]. Task Force Report #121, Council for Agricultural Science and Technology, Ames IA 1994 agriculture, forestry, land use, fertilizer.