Hughes, Barry B., Mohammod T. Irfan, Jonathan D. Moyer, Dale S. Rothman, and José R. Solórzano. 2011.

“Forecasting the Impacts of Environmental Constraints on Human Development.” United Nations Development Programme (UNDP) Research Paper 2011/08. UNDP Human Development Report Office, New York, NY.

Kehl, Walter. 2008. “Biodiversity and Land Use in Central Asia.” Unpublished paper.

United Nations Environment Programme (UNEP). 2007. Global Environment Outlook: Environment for Development (GEO4). Nairobi, Kenya: United Nations Environment Programme.

Rothman, Dale S., John Agard, and Joseph Alcamo (coordinating lead authors). 2007.

“The Future Today.” In United Nations Environment Programme, Global Environment Outlook: Environment for Development (GEO4). Nairobi, Kenya: United Nations Environment Programme, 397−454.

Authors: Dale S. Rothman, John Agard, and Joseph Alcamo

Hughes, Barry B. 2006. "UNEP GEO4 Driver Scenarios Using IFS with Pardee." Working paper 2006.07.18. Pardee Center for International Futures, Josef Korbel School of Global and Public Affairs, University of Denver, Denver, CO.