Journal
ENVIRONMENTAL MANAGEMENT
Volume 69, Issue 3, Pages 558-575Publisher
SPRINGER
DOI: 10.1007/s00267-021-01565-9
Keywords
Public perception; Ecosystem benefit; Green stormwater infrastructure; Sponge city development; Co-benefits approach
Categories
Funding
- China Scholarship Council [201808030006]
- Pennsylvania State University's College of Arts and Architecture
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This study explores public perception of sponge city development and green stormwater infrastructure (GSI) in four pilot sponge cities in China. The survey finds that the public is more concerned about the impact of stormwater on their quality-of-life, while experts focus more on the environmental benefits. The study identifies experience, familiarity, concern, trust, age, and city as factors that significantly affect public perception of GSI benefits.
The Sponge City Development (SCD) concept was initiated in 2012 to address severe urban flooding and water quality challenges in China. Green stormwater infrastructure (GSI) such as rain gardens have been adopted as critical stormwater management tools. Existing GSI research has focused primarily on their environmental performance, overlooking the human dimensions. The co-benefits of GSI have been particularly underinvestigated. We used social surveys (n = 607) and expert interviews (n = 11) to explore public perception of SCD and GSI in four pilot sponge cities, examining flood experience, stormwater concerns, GSI familiarity, institutional trust, and GSI benefit perception. The survey found high exposure to flooding, medium GSI familiarity, and strong institutional trust. The public showed greater concern on stormwater impacts on their quality-of-life than the water environment, rating the less-intended aesthetic and health values as the best-perceived benefits. Experience, familiarity, concern, trust, age, and city significantly affected GSI benefit perception. In contrast, the experts spoke more positively about the environmental benefits while indicating the inadequacy of public participation. The case of GSI in SCD offers broad implications for environmental governance and expert-public relationships in an era of rapid social, technological, and environmental change. Refining policies and regulations to incorporate social goals, bringing the public into the SCD process, and building up the GSI industry's capacity in planning, design, construction, and maintenance are critical to enhancing GSI benefits provision. Adopting the co-benefits approach will be essential to utilizing GSI as a place-making tool to create more sustainable and livable communities.
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