sustainability Article How Will We Eat and Produce in the Cities of the Future? From Edible Insects to Vertical Farming—A Study on the Perception and Acceptability of New Approaches 1,2, , 2,3, 4 5 4 Kathrin Specht * y, Felix Zoll y , Henrike Schümann , Julia Bela , Julia Kachel and Marcel Robischon 2 1 ILS—Research Institute for Regional and Urban Development, 44135 Dortmund, Germany 2 Division of Vocational Teaching in Agricultural and Horticultural Sciences, Department of Agricultural Economics, Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences, Faculty of Life Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany 3 Leibniz Centre for Agricultural Landscape Research (ZALF), 15374 Müncheberg, Germany 4 Integrated Natural Resource Management, Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences, Faculty of Life Sciences, Humboldt-Universität zu Berlin, 10099 Berlin, Germany 5 Urban and Regional Planning, Technische Universität Berlin, 10623 Berlin, Germany * Correspondence:
[email protected] These authors contributed equally to this work. y Received: 29 May 2019; Accepted: 1 August 2019; Published: 9 August 2019 Abstract: Global challenges such as climate change, increasing urbanization and a lack of transparency of food chains, have led to the development of innovative urban food production approaches, such as rooftop greenhouses, vertical farms, indoor farms, aquaponics as well as production sites for edible insects or micro-algae. Those approaches are still at an early stage of development and partly unknown among the public. The aim of our study was to identify the perception of sustainability, social acceptability and ethical aspects of these new approaches and products in urban food production.