Jürgen Scheffran is Professor of Geography (em.) at University of Hamburg and Chair of the Research Group Climate Change and Security (CLISEC) in the Center for Earth System Research and Sustainability and the Climate Excellence Cluster CLICCS.

After his doctorate in physics, he worked in interdisciplinary research groups in environmental science, conflict and peace research at the universities of Marburg, Darmstadt, Paris and Illinois, as well as the Potsdam Institute for Climate Impact Research (PIK).

He has been involved in projects and reports for the United Nations, the Office of Technology Assessment of the German Bundestag, the German Committee for Sustainability Research and in the Expert Commission on the Causes of Forced Migration of the German government.

Main research interests are: Climate security, environmental migration and resource conflicts; water-food-energy nexus and urban-rural relations; sustainability, complex systems and models; technology assessment, arms control and international security of nuclear, missile and space systems.