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Open AccessEditorial

Green Infrastructures for Urban Water System: Balance between Cities and Nature

Unit of Environmental Engineering, University of Innsbruck, 6020 Innsbruck, Austria
Department Urban Water Management, Swiss Federal Institute of Aquatic Science & Technology (Eawag), 8600 Dübendorf, Switzerland
Delta Urbanism, Section of Urban Design, Department of Urbanism, Faculty of Architecture and the Built Environment, Delft University of Technology, 2600 Delft, The Netherlands
Author to whom correspondence should be addressed.
Water 2020, 12(5), 1456;
Received: 18 May 2020 / Accepted: 18 May 2020 / Published: 20 May 2020
Urban water systems face severe challenges such as urbanisation, population growth and climate change. Traditional technical solutions, i.e., pipe-based, grey infrastructure, have a single purpose and are proven to be unsustainable compared to multi-purpose nature-based solutions. Green Infrastructure encompasses on-site stormwater management practices, which, in contrast to the centralised grey infrastructure, are often decentralised. Technologies such as green roofs, walls, trees, infiltration trenches, wetlands, rainwater harvesting and permeable pavements exhibit multi-functionality. They are capable of reducing stormwater runoff, retaining stormwater in the landscape, preserving the natural water balance, enhancing local climate resilience and also delivering ecological, social and community services. Creating multi-functional, multiple-benefit systems, however, also warrants multidisciplinary approaches involving landscape architects, urban planners, engineers and more to successfully create a balance between cities and nature. This Special Issue aims to bridge this multidisciplinary research gap by collecting recent challenges and opportunities from on-site systems up to the watershed scale. View Full-Text
Keywords: environmental benefits; ecosystem services; water policy; performance assessment environmental benefits; ecosystem services; water policy; performance assessment
MDPI and ACS Style

Sitzenfrei, R.; Kleidorfer, M.; Bach, P.M.; Bacchin, T.K. Green Infrastructures for Urban Water System: Balance between Cities and Nature. Water 2020, 12, 1456.

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