Cyclone seen as wake-up call on climate change chinadaily.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chinadaily.com.cn Daily Mail and Mail on Sunday newspapers.
In the coming decade, China is expanding its plans for sponge cities. They can help prevent flooding, promote biodiversity and cut emissions. But what exactly are these cities and how do they work?