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Thread: China is building 30 sponge cities that aim to soak up floodwater & prevent disaster

  1. #1
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    China is building 30 sponge cities that aim to soak up floodwater & prevent disaster

    Leanna Garfield
    Nov. 10, 2017

    snip

    Like many places around the world, Chinese cities are considering ways to combat flooding in the face of climate change. Increased urban development has made flooding worse, and has turned some neighborhoods into vulnerable waterfront locations.

    In 2010, landslides from flooding killed approximately 700 people and left over 300 missing in three-quarters of China's provinces. Just this July, heavy rains pummeled southern China, flooding towns, destroying homes, and killing at least 56 people.

    In recent years, fatal floods like these have become regular occurrences. The number of Chinese cities struck by floods has more than doubled since 2008, according to The Economist. Some scientists say that rising global temperatures are making rainfall from storms more destructive and frequent.

    The Chinese government is now pursuing an idea that could alleviate the problem: sponge cities.

    Launched in 2015, the Sponge City Initiative invests in projects that aim to soak up floodwater. The projects are being built in 30 cities, including Shanghai, Wuhan, and Xiamen. By 2020, China hopes that 80% of its urban areas will absorb and re-use at least 70% of rainwater.

    China is building 'sponge cities' that absorb water - Business Insider
    Thanks from Puzzling Evidence

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    Replacing concrete pavements with wetlands, green rooftops and rain gardens means stormwater is absorbed back into the land, making water work for the city instead of against it

    Helen Roxburgh in Shanghai

    Wed 27 Dec 2017 22.00 EST Last modified on Wed 14 Feb 2018 11.57 EST

    A small part of Shanghai is turning greener, street by street.

    In the Lingang district, pavements are lined with trees, gardens and public squares full of plant beds. Between cranes and construction sites, plans display new buildings enveloped in the green and blue of parks, streams, and water features.

    https://www.theguardian.com/world/20...ombat-flooding
    Not only does it mitigate flood damage, but makes a more pleasant place to live too.

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    spɹɐʍʞɔɐq ʞɹɐp ǝɥʇ Puzzling Evidence's Avatar
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    Fantastic! First you acknowledge a problem, then you think outside of the box to fix it.

    Last edited by Puzzling Evidence; 22nd April 2018 at 11:42 AM.

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    spɹɐʍʞɔɐq ʞɹɐp ǝɥʇ Puzzling Evidence's Avatar
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    This is a good video that explains how these initiatives work:

    Last edited by Puzzling Evidence; 22nd April 2018 at 11:42 AM.

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