Analysis of the Realities, Evolution and Prospects of Urban Greening from an International Point of View
Analysis of the Realities, Evolution and Prospects of Urban Greening from an International Point of View

Summary/Abstract: There is an increasing concern about the imbalance between urbanisation andenvironmental conservation, with over half of the world’s population living in urbanenvironments. Therefore, urban greening aims to incorporate nature into the city,recovering native flora in a sustainable way. Urban greening is a multi-functionalenvironmental benefit system that incorporates vegetation in urban cores. Urban greeninghas become one of the most innovative and rapidly developing fields in ecology, greenprocurement and the built environment. The aim of this study was to provide an insight intothe realities, evolution and prospects of urban greening from an international point of view.A sample of 1,727 worldwide urban greening projects was analysed, a Pearson’s chi-squaretest was used to study the evolution of urban greening, and a binary logistic regression wasused to predict determinant factors of public urban greening. Results show urban greeningis prevalent in well-developed urbanised cities, while is challenging in the world's fastestgrowing cities in low-income countries. Urban greening installation has significantlychanged from intensive to extensive systems offering the most cost-effective solution, andcurrently to living walls due to the emergence of this technology. Urban greening hasexpanded significantly from university campuses and parks, for the general public’sbenefit, to streets for families’ use. The urban greening projects were installed mainly inprivate, residential, commercial, educational and government buildings. The mainmotivations of urban greening projects were environmental or aesthetic purposes andresearch aims. The prospects show parks and for general public are determinant factors forpublic urban greening at global level. This study contributes to the literature byinvestigating the characteristics and evolution of urban greening systems and prospects ofpublic urban greening from an international point of view.

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