A northern Chinese city has built an experimental air purification tower over 100 meters high, which has succeeded in bringing a noticeable improvement in local air quality, the scientist leading the project told the South China Morning Post.
The tower in Xi’an has improved the air quality in the area inside a 10-square-kilometer radius and could provide a new tool in China’s fight against chronic air pollution, according to the project’s lead researcher Cao Junji.
The world’s largest air purifier runs largely off solar power and is able to produce more than 10 million cubic meters of clean air a day. On severely polluted days the tower can reduce the smog to moderate levels, according to Cao.
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