China’s “Sponge City” initiative, launched in 2014, is a transformative approach to urban stormwater management that aims to deliver multiple benefits through nature-based solutions. Despite its widespread adoption in China, questions remain regarding its long-term viability. Through a new conceptual framework, this study examines the viability of the Sponge City model by analyzing insights from 30 practitioners and domain experts working in Beijing, Shanghai, and Shenzhen. Drawing on semi-structured interviews and field studies, it investigates how participants interpret the concept, integrate climate adaptation strategies, and assess effectiveness across six dimensions: governance, economy, environment, urban form, civic engagement, and human wellbeing. The findings reveal diverse perspectives shaped by local contexts, disciplinary backgrounds, and professional experiences. While participants expressed cautious optimism, they also identified persistent challenges, including funding constraints, fragmented planning processes, and insufficient public engagement. Climate adaptation emerged as a central concern, with mixed views on the initiative’s ability to address extreme weather events. Overall, the study suggests that the Sponge City model holds promise, but its viability depends on continued refinement, interdisciplinary collaboration, and adaptive governance tailored to local needs. This study offers insights to inform future practice and broaden global efforts in stormwater management and urban resilience.
Tang et al. (Wed,) studied this question.