Myles Fisher is an Emeritus Scientist at the Centro Internacional de Agricultura Tropical CIAT in Cali, Colombia. He worked in the agronomy and physiology of tropical pastures in the Northern Territory of Australia and southeast Queensland with CSIRO and in Colombia at CIAT. He was Lead Scientist for the CGIAR InterCenter Working Group on Climate Change. He consults with CIAT on simulation modeling, soil carbon dynamics and climate change, and to the UNDP on the preservation of Tajikistan's (Central Asia) agrobiodiversity in the face of climate change. Simon Cook leads research to support the sustainable development of food and water resources in tropical and temperate regions. Lately he was the leading head of a multidisciplinary, multi-institutional research project on river basins in the tropics and subtropics to support poverty alleviation through the development of water and food systems. He has over 20 years research and specialist technical expertise in the use of spatial information at local to global scales, and has extensive experience with agricultural systems in Australia, Latin America, South-East Asia, Africa and the UK.