Learn about the community-centric City Sponge program in New York City dedicated to managing flooding by being a clearinghouse of information about widespread, decentralized rooftop greening and other flood mitigation methods. 

As extreme rainfall increases, sponge cities offer a proven approach to flood mitigation, water management, and climate adaptation through green infrastructure.

"Sponge Cities" utilize green infrastructure to manage stormwater, combat flooding, and enhance urban resilience by naturally absorbing and repurposing rainwater. This sustainable approach addresses challenges from extreme weather and urban sprawl, transforming cities into greener, more sustainable environments.