Editors:Osamu Saito, Ph.D, Academic Director/ Academic Programme Officer, United Nations University Institute for the Advanced Study of Sustainability (UNU-IAS), Tokyo, JapanKazuhiko Takeuchi, Ph.D., Director and Project Professor, Integrated Research System for Sustainability Science (IR3S), The University of Tokyo Institutes for Advanced Study (UTIAS), Tokyo, Japan; Chair of the Board of Directors, Institute for Global Environmental Strategies (IGES), Kanagawa, JapanEdwin A. Gyasi, Ph.D., Professor, Department of Geography, University of Ghana, Legon, GhanaGordana Kranjac-Berisavljevic, Ph.D., Professor, Department of Agricultural Mechanisation and Irrigation Technology, University for Development Studies, Tamale, Ghana