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Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities

Institute of Sanitary Engineering and Water Pollution Control, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria
Catalan Institute for Water Research (ICRA), Carrer Emili Grahit 101, 17003 Girona, Spain
University of Girona, Plaça de Sant Domènec 3, 17004 Girona, Spain
Research Centre for Built Environment, Energy, Water and Climate, VIA University College, Campusgrunden, 8700 Horsens, Denmark
Department of Planning, Design, Technology of Architecture, Faculty of Architecture, Sapienza University of Rome, 00185 Roma, Italy
Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Müggelseedamm 301, 12587 Berlin, Germany
Faculty of Architecture, RWTH Aachen University, Schinkelstr. 1, 52062 Aachen, Germany
Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
WATEC Aarhus University Centre for Water Technology, Ny Munkegade 120, 8000 Aarhus, Denmark
Department of Engineering, Reykjavik University, 101 Reykjavik, Iceland
Energy Institute, Johannes Kepler University, 4040 Linz, Austria
Faculty of Health Sciences, University of Ljubljana, Zdravstvena Pot 5, 1000 Ljubljana, Slovenia
Institute of Natural Resource Sciences, Zurich University of Applied Sciences, 8820 Wädenswil, Switzerland
Centre for Social Sciences, Hungarian Academy of Sciences, Tóth Kálmán u. 4., 1095 Budapest, Hungary
Department of Geography, Tourism and Hotel Management, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia
Department of Civil Engineering (English), Faculty of Engineering, Florya Campus, Istanbul Aydın University, K.Ceıkmece, Istanbul 34295, Turkey
Department of Geography and Environmental Development, Sede Boqer Campus, Ben-Gurion University of the Negev, Be’er Sheva 84990, Israel
Urban Greening and Biosystems Engineering Research Group, Escuela Técnica Superior de Ingeniería Agronómica (ETSIA), Universidad de Sevilla, Ctra. de Utrera km. 1, 41013 Seville, Spain
Institut de Physique du Globe de Paris, Université de Paris, CNRS, F-75005 Paris, France
Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova 2, 1000 Ljubljana, Slovenia
Author to whom correspondence should be addressed.
Academic Editor: Arumugam Sathasivan
Water 2021, 13(17), 2352;
Received: 23 July 2021 / Revised: 16 August 2021 / Accepted: 25 August 2021 / Published: 27 August 2021
(This article belongs to the Special Issue Water and Circular Cities)
A framework developed by the COST Action Circular City (an EU-funded network of 500+ scientists from 40+ countries; COST = Cooperation in Science and Technology) for addressing Urban Circularity Challenges (UCCs) with nature-based solutions (NBSs) was analyzed by various urban sectors which refer to different fields of activities for circular management of resources in cities (i.e., reducing use of resources and production of waste). The urban sectors comprise the built environment, urban water management, resource recovery, and urban farming. We present main findings from sector analyses, discuss different sector perspectives, and show ways to overcome these differences. The results reveal the potential of NBSs to address multiple sectors, as well as multiple UCCs. While water has been identified as a key element when using NBSs in the urban environment, most NBSs are interconnected and also present secondary benefits for other resources. Using representative examples, we discuss how a holistic and systemic approach could facilitate the circular use of resources in cities. Currently, there is often a disciplinary focus on one resource when applying NBSs. The full potential of NBSs to address multifunctionality is, thus, usually not fully accounted for. On the basis of our results, we conclude that experts from various disciplines can engage in a cross-sectoral exchange and identify the full potential of NBSs to recover resources in circular cities and provide secondary benefits to improve the livelihood for locals. This is an important first step toward the full multifunctionality potential enabling of NBSs. View Full-Text
Keywords: circularity challenges; multifunctionality; interdisciplinary; nature-based solutions; urban sectors; sustainable urban development; ecosystem-based management circularity challenges; multifunctionality; interdisciplinary; nature-based solutions; urban sectors; sustainable urban development; ecosystem-based management
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MDPI and ACS Style

Langergraber, G.; Castellar, J.A.C.; Andersen, T.R.; Andreucci, M.-B.; Baganz, G.F.M.; Buttiglieri, G.; Canet-Martí, A.; Carvalho, P.N.; Finger, D.C.; Griessler Bulc, T.; Junge, R.; Megyesi, B.; Milošević, D.; Oral, H.V.; Pearlmutter, D.; Pineda-Martos, R.; Pucher, B.; van Hullebusch, E.D.; Atanasova, N. Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities. Water 2021, 13, 2352.

AMA Style

Langergraber G, Castellar JAC, Andersen TR, Andreucci M-B, Baganz GFM, Buttiglieri G, Canet-Martí A, Carvalho PN, Finger DC, Griessler Bulc T, Junge R, Megyesi B, Milošević D, Oral HV, Pearlmutter D, Pineda-Martos R, Pucher B, van Hullebusch ED, Atanasova N. Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities. Water. 2021; 13(17):2352.

Chicago/Turabian Style

Langergraber, Guenter, Joana A.C. Castellar, Theis R. Andersen, Maria-Beatrice Andreucci, Gösta F.M. Baganz, Gianluigi Buttiglieri, Alba Canet-Martí, Pedro N. Carvalho, David C. Finger, Tjaša Griessler Bulc, Ranka Junge, Boldizsár Megyesi, Dragan Milošević, Hasan V. Oral, David Pearlmutter, Rocío Pineda-Martos, Bernhard Pucher, Eric D. van Hullebusch, and Nataša Atanasova. 2021. "Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities" Water 13, no. 17: 2352.

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