Prof. Dr. Chinwe Ifejika Speranza Executive Director | Unit Leader Land Systems and Sustainable Land Management Institute of Geography, Land Systems and Sustainable Land Management Phone +41 31 684 38 60 E-Mail chinwe.ifejika.speranza@giub.unibe.ch Office 109, Hallerstrasse 12 Postal Address Prof. Dr. Chinwe Ifejika Speranza University of Bern Institute of Geography Hallerstrasse 12 CH-3012 Bern