Sponge City: Making Cities More Resilient and Livable
As a core pathway for urban green transformation, the Sponge City initiative reshapes urban stormwater management and ecological models through the philosophy of "natural accumulation, natural infiltration, and natural purification." Currently, over 470 cities across China have initiated construction, with cities such as Chongqing, Kunshan, and Guangzhou achieving remarkable results and leading the trend in green development.
Chongqing has completed 2,055 sponge city projects, with sponge-enabled areas accounting for 46.2% of its built-up zone. Through facilities such as bioretention strips and permeable pavements, the city has achieved the containment of light rainfall and alleviated the urban heat island effect. As a demonstration city, Kunshan has raised its standard for waterlogging prevention to a once-in-20-years event and now utilizes over 690,000 tons of rainwater resources annually. Guangzhou has completed 564 projects, eliminated 147 black and odorous rivers, and achieved breakthroughs in both flood control and ecological restoration.
The Sponge City initiative addresses the pressing challenges of urban waterlogging and water scarcity, balancing disaster resilience with ecological livability. It also supports the pursuit of carbon peak and carbon neutrality goals, having transitioned from pilot programs to widespread implementation.
Rainwater harvesting system
Address: Building B2, No. 188, Hailuo Road, Quanjiao County, Chuzhou City, Anhui Province，China
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