Sludge in a storage facility at a sewage plant in Liuzhou in the Guangxi Zhuang autonomous region. Li Hanchi / Xinhua|
The country's waste-treatment plants produce thousands of metric tons of sewage sludge every day, but a lack of funding for advanced processing means illegal dumping is rife and poses a potential safety threat to farmland and water sources. Zheng Jinran reports.
Every day si ...
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