1. Department of Geoscience and Nature Management, University of Copenhagen, Frederiksberg C, Denmark
2. Creative Eyes, Vienna, Austria
3. Department of Food and Resource Economics, University of Openhagen, Frederiksberg C, Denmark
4. Centre for Macroecology, Evolution and Climate, University of Copenhagen, Frederiksberg C, Denmark
5. Centre for Environmental Economics and Policy in Africa, Department of Agricultural Economics, Extension and Rural Development, University of Pretoria, South Africa