Prof. Dr. Walter Alberto Pengue (Argentina). Dr. in Agroecology. Ecological economist. Agricultural engineer with focus on land&soil management, food production and evaluation of environmental and socioeconomic impacts of the implementation of new technologies. He teaches a Doctoral Course on Ecological Economics at Buenos Aires University (GEPAMA) and is Full Professor of Ecology at General Sarmiento University. He is a Steering Committee member of the International Society for Ecological Economics (ISEE), Scientific Member of the Resource Panel, UNEP and co-chair of the International Resource Panel’s Working Group on Land & Soil. Several books on Transgenic Crops, Ecological Economy and Agricultural Transformations in Latin America.