What are “Sponge Cities,” and How Can They Prevent Floods?

This article was written by Kim Harrisberg and published on the Race to Resilience blog page and states that “Sponge cities” describes urban areas with significant natural areas such as trees, lakes, and parks or other good designs intended to absorb rain and prevent flooding. 

As climate change brings increasing flood threats, cities need to be designed like giant sponges that allow water to drain away safely. Experts say cities need to be designed with this in mind, as many urban areas are experiencing devastating floods due to climate change. 

The significance of sponge cities matters as natural ways to absorb urban water are about 50% more affordable than man-made solutions and are 28% more effective, according to earlier research by global design firm Arup and the World Economic Forum.

Throughout the article, you will find many examples of sponge cities, how this sponginess is measured, and how a city can become a sponge city. 

If you want to read the complete article, click here

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