David Pimentel, Ph.D., is Professor of Ecology of Agricultural Sciences in the Department of Entomology and Department of Ecology and Evolutionary Biology, College of Agriculture and Life Sciences, Cornell University. His research and consulting accomplishments cut across many disciplines. Dr. Pimentel has served on Presidential Commissions and National Academy of Sciences' Boards and Committees. He has authored nearly 700 scientific publications, written three books, and edited 34 books.