Lessons, narratives, and research directions for a sustainable circular economy - Leipold, Sina (Helmholtz Centre for Environmental Research. Department of Environmental Politics) ; Petit Boix, Anna (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Luo, Anran (Helmholtz Centre for Environmental Research. Department of Environmental Politics) ; Helander, Hanna (University of Freiburg. Chair of Societal Transition and Circular Economy) ; Simoens, Machteld (University of Freiburg. Chair of Societal Transition and Circular Economy) ; Ashton, Weslynne S. (Illinois Institute of Technology) ; Babbitt, Callie W. (Rochester Institute of Technology) ; Bala Gala, Alba (Universitat Pompeu Fabra) ; Bening, Catharina R. (ETH Zurich. Group for Sustainability and Technology) ; Birkved, Morten (University of Southern Denmark. Department of Green Technology) ; Blomsma, Fenna (University of Hamburg) ; Boks, Casper (NTNU Norwegian University of Science and Technology. Department of Design) ; Boldrin, Alessio (Technical University of Denmark. Department of Environmental Engineering) ; Deutz, Pauline (University of Hull. Department of Geography, Geology and Environment) ; Domenech, Teresa (University College London. Institute for Sustainable Resources) ; Ferronato, Navarro (University of Insubria. Department of Theoretical and Applied Sciences) ; Gallego Schmid, Alejandro (University of Manchester. Tyndall Centre for Climate Change Research) ; Giurco, Damien (University of Technology Sydney) ; Hobson, Kersty (Cardiff University. School of Geography and Planning) ; Husgafvel, Roope (Aalto University. Department of Bioproducts and Biosystems) ; Isenhour, Cynthia (University of Maine. Department of Anthropology, Climate Change Institute) ; Kriipsalu, Mait (Estonian University of Life Sciences. Institute of Forestry and Engineering) ; Masi, Donato (Aston University) ; Mendoza, Joan Manuel F. (Ikerbasque Basque Foundation for Science) ; Milios, Leonidas (Lund University. International Institute for Industrial Environmental Economics) ; Niero, Monia (Aalborg Universitet. Department of Planning) ; Pant, Deepak (Flemish Institute for Technological Research. Separation and Conversion Technology) ; Parajuly, Keshav (University of Limerick. Department of Electronic and Computer Engineering) ; Pauliuk, Stefan (University of Freiburg. Chair of Industrial Ecology) ; Pieroni, Marina P.P. (Technical University of Denmark. Department of Mechanical Engineering) ; Richter, Jessika Luth (Lund University. International Institute for Industrial Environmental Economics) ; Saidani, Michael (University of Illinois at Urbana-Champaign. Industrial and Enterprise Systems Engineering) ; Smol, Marzena (Polish Academy of Sciences. Mineral and Energy Economy Research Institute) ; Talens Peiró, Laura (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; van Ewijk, Stijn (University College London. Department of Civil, Environmental and Geomatic Engineering) ; Vermeulen, Walter J.V. (Utrecht University. Copernicus Institute of Sustainable Development) ; Wiedenhofer, Dominik (University of Natural Resources and Life Sciences. Institute of Social Ecology (Austria)) ; Xue, Bing (Chinese Academy of Sciences. Institute of Applied Ecology)