All videos

China Is Creating ‘Sponge’ Cities To Protect Against Flooding

Hundreds of world cities could face a 50cm rise in sea levels by 2050. Now, over 30 areas in China have signed up to become 'sponge' cities. Here's how it works.

Topics:
Built Environment and Infrastructure
Share:

More on Built Environment and Infrastructure
See all

Sinking cities, the world's best cities – and other urban transformation stories to read

Jeff Merritt and Vivian Brady-Phillips

December 9, 2025

Making cities future-proof: How to sustainably build livable urban centres

About us

Engage with us

Quick links

Language editions

Privacy Policy & Terms of Service

Sitemap

© 2025 World Economic Forum