China Update: Cities Transform Sludge into Clean Energy

Cities across China are finding success in turning sludge — the stinky slurry that’s left over when wastewater is treated — into clean energy. It’s a movement that’s both producing electricity from waste, and helping solve China’s overcrowded landfills, according to an in-depth report from the Wilson Center’s New Security Beat blog.

Many cities are being inspired by a successful sludge-to-energy plant in the city of Xiangyang, the report says. Hefei is now experimenting with the technology, and other cities including Beijing, Chengdu,  Changsha, and Chongqing are now working on their own plans for sludge-to-energy.

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