Berlin (Germany) and China are working with nature to create sponge cities that absorb rainwater and cool the city. Even without the challenges of climate change, cities would do well to consider the benefits of imitating natural ecosystems to cool down and store rainwater, a precious resource. With problems from climate change in urban areas, such as increased flooding and more extreme heatwaves, the need to develop “sponge cities” is essential.
Creating a “sponge” deals with the two issues that cement and asphalt-laden urban centers create and thus contend with — more heat risk and flooding risk. Imitating nature in the concrete jungle is a key solution.
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