Acknowledgements

The authors wish to thank the following for their helpful suggestions in reviewing the paper:

• Rick Hartman, Practical Farmers of Iowa

• John Hendrickson, Center for Integrated Agricultural Systems, University of Wisconsin-Madison

• Martin Heller, Center for Sustainable Systems, University of Michigan

• David Pimentel, Department of Entomology, Cornell University

• Susan Subak, AAAS Fellow, U.S. Environmental Protection Agency

• Leopold Center staff (M. Adams, M. Duffy, F. Kirschenmann, L. Miller, J. Neal)

• Leopold Center summer 2001 interns (Sarah Low and Annette Mathieu)

• Lorelei F. Pirog

Thanks to the following people and organizations who answered questions and provided information for the paper:

• Deb Adler, EPA National Vehicle and Fuel Emissions Laboratory

• Ann Thorp Brouwer, Produce LTD, Oskaloosa

• Cheryl Bynum, EPA National Vehicle and Fuel Emissions Laboratory

• Michael Carolan, Iowa State University, Department of Sociology

• Annika Carlsson-Kanyama, Department of Systems Ecology, Stockholm University, Sweden

• Roberta Cook, food distribution specialist, University of California-Davis

• Douglas Edwards, USDA Agricultural Marketing Service, Washington, D.C.

• Robert Ewing, Department of Agronomy, Iowa State University

• Rick Hartman, Practical Farmers of Iowa

• Carol Hunt, Johnson County SWCD, Iowa City

• John Hendrickson, Center for Integrated Agricultural Systems, University of Wisconsin-Madison

• Phil Kaufman, USDA Economic Research Service, Washington, D.C.

• Gary Lucier, USDA Economic Research Service, Washington, D.C.

• Dwight Minami, California Agricultural Technology Institute, California State University-Fresno

• Judith Putnam USDA Economic Research Service, Washington, D.C.

• Steve Winders, Loffredo Fresh Produce Co., Inc., Des Moines

Thanks to Leopold Center 2001 summer interns Sarah Low and Annette Mathieu for help with the cover page and table of contents. Special thanks to Mary Adams of the Leopold Center for her editorial guidance and counsel.