Abstract
Urban green infrastructure has become an important concept for sustainable urban development. Regarding the joining up of green spaces into green networks, it can have major positive impacts on the environment, societies and economies, and ecology. This study proposes a value model for investing in urban green infrastructure, with impact factors including land use value, energy conservation value, carbon reduction, and disaster prevention value. It establishes that through the interaction between all four of these factors, urban green infrastructure investment increases net operating income. Additionally, as disaster prevention value increases, urban disaster risk declines, and this has an important positive effect on overall value. Our modeling also indicates that in the face of climatic extremes, the construction of urban green infrastructure is increasingly important, particularly in terms of energy value and disaster prevention value. Specific incentives and catalysts for promoting investment in urban green infrastructure are proposed.
Highlights
The existing literature concurs that the value added by urban green infrastructure includes land use value [26,28,46], energy saving value [6,33,36], and disaster prevention value [50,52,53]
Such studies have concluded that the impact of urban disaster prevention value at risk will enhance the promotion of urban green infrastructure, and help to create sustainable urban environments
This study explores the value model of urban green infrastructure development, including the costs, values, and risks arising from the investment of green infrastructure
Summary
Amid increasingly extreme weather conditions and heavy rainfall, flooding has caused financial and other losses to the old and complex urban environment This has led to a new urban agenda, in which the promotion of environmental sustainability is expected to facilitate transformational change, provided that key linkages are made among the environment, urban planning, and policy governance [1]. The concept of green infrastructure emphasizes the connections among landscape ecology, urban and community living space use, and the implementation of sustainable urban land use planning [2,3]. This is receiving increasing attention, as evidenced by the latest policies and guidance on green infrastructure, referenced by cities and countries around the world (e.g., the UK Green Infrastructure Planning Practice Guide) [4].
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