Steve Carver Steve is a geographer with an interest in application of GIS to wilderness and wild landscapes. He is particularly interested in quality assessment, public participation and visibility analyses. He has worked widely on these topics in the UK, Europe and North America. He is Director of the Wildland Research Institute, and is based in the School of Geography, University of Leeds. Steffen Fritz Steffen is Head of the Earth Observation Systems group in the Ecosystems Services and Management Program at IIASA. Steffen is the main driver behind Geo-Wiki and is currently researching different incentive schemes for crowdsourcing of land cover in Kenya, Tanzania and Austria through the European Research Council funded project called Crowd Land. His Ph D was on wilderness mapping under the supervision of Steve Carver.