David PimentelGeoff M. Gurr is Associate Professor of Applied Ecology and Associate Dean (Research) at the University of Sydney-Orange. Steve D. Wratten is Theme Leader, Biological Control, National Centre for Advanced Bio-Protection Technologies, Lincoln Universiy, and Visiting Professor at the University of Sydney. Miguel A. Altieri is Professor of Insect Biology in the Department of Environmental Science, Policy, and Management at the University of California, Berkeley. For more about his work in agroecology, click here. David Pimentel is Professor of Insect Ecology and Agricultural Sciences at Cornell University and editor of the three-volume Handbook of Pest Management in Agriculture. Read More Read Less