- Chinese cities are struggling with flooding in urban, concrete areas
- Sponge cities aim to capture and utilize this rainwater
Asit K. Biswas is a distinguished visiting professor at the Lee Kuan Yew School of Public Policy, National University of Singapore. Kris Hartley is a lecturer in city and regional planning at Cornell University.
(CNN)Asian cities are struggling to accommodate rapid urban migration, and development is encroaching on flood-prone areas.