Part C
Aufgabenstellung
You are taking part in the project ‘Responses to Global Warming’ organized by Youth and Environment Europe. All participants have been invited to contribute an entry to the project blog in which they present best-practice examples of dealing with climate change from their home countries.
Write a blog entry, outlining the problems cities face and the ways a project in Leipzig tries to improve the situation locally.
Text
Das Schwammviertel
von Andrea Hoferichter
641 Wörter
Hoferichter, A. (2021, 22. Februar). Das Schwammviertel. Süddeutsche Zeitung.
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Leipzig’s “Sponge District” – A Cool Idea for Hot Cities
Heatwaves, droughts and flooding are becoming more common in cities across the world. Because of climate change, urban areas are increasingly struggling with extreme weather conditions. In Germany, however, the city of Leipzig is testing an exciting idea that could help make cities more climate-friendly in the future: the so-called “Sponge District” (“Schwammviertel”).
One major problem cities face is heavy rainfall. Streets and squares are often covered with concrete and asphalt, so rainwater cannot soak into the ground properly. As a result, sewage systems may overflow, causing floods and even polluting rivers and lakes. During hot summers, cities face another issue: asphalt and concrete store heat, making urban areas several degrees hotter than the surrounding countryside.
To improve this situation, Leipzig is planning a new neighbourhood for about 3,700 residents based on the principle of a “sponge city”. The idea is simple: instead of letting rainwater disappear into drains, the district should absorb, store and reuse it — just like a sponge.
Trees play a key role in this concept. Special underground systems made of gravel, soil and clay allow trees to absorb and store rainwater for dry periods. At the same time, trees provide shade, cool the air and filter pollutants and dust.
The project also includes green roofs, water tanks and storage areas for rainwater. Green roofs are especially useful because they help keep buildings cooler during summer. Researchers are even considering using cool groundwater to reduce temperatures inside buildings in the future.
What makes the project particularly interesting is that it benefits both people and nature. Better water management protects rivers and lakes from pollution, while greener urban spaces improve air quality and make cities more pleasant to live in.
Still, projects like this are not easy to realise. Many groups — including investors, city planners and environmental authorities — need to work together. Experts also say that Germany needs better laws to support sustainable water management and climate-friendly urban planning.
In my opinion, Leipzig’s Sponge District is a great example of how cities can adapt to climate change locally. Even though such projects are expensive and complicated, they show that innovative urban planning can make our cities greener, cooler and more resilient.
Could sponge cities become the future of urban living? Many cities around the world will probably have to find out sooner rather than later.