Green is the new Grey: Implementation of Nature-Based Solutions in urban areas
Sammanfattning: Nature-Based Solutions (NBS) is an emerging concept which has the potential to address several sustainability challenges. In this multiple case study research on three NBS projects in Gothenburg (Sweden) the projects objectives and evaluated impacts are studied to provide insights into how NBS interventions are implemented in urban contexts. In addition, barriers and drivers for up-scaling are identified and the influential factors for knowledge transfer are assessed. Information for this research was collected by conducting interviews with people involved in the three projects and the municipality of Gothenburg. Research questions were answered by applying cross-case analysis and two analytical frameworks, one derived from papers on influential variables of NBS pathways and one on how to facilitate effective knowledge transfer. The findings show that the NBS concept is not applied in the city and it is only in the last decade that other related concepts have started being integrated into development projects. Today the impacts of NBS interventions are usually assessed qualitatively and as such higher priority could be given to the maintenance and quantitative evaluations of projects. To enable up-scaling of NBS in the city, the local knowledge base and cooperation between the different departments in the municipality could be improved as well as increased focus on transferring gained knowledge from the NBS projects. Through stronger collaboration between all stakeholders involved, including citizens, together with adaptive governance, the city can use NBS interventions as a strategy to tackle prominent challenges in synergy with fast urban development.
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