China Is Set to Build This Smog-Eating ‘Forest City’ Filled With Tree-Covered Skyscrapers The eastern Chinese city of Nanjing, like many of the country’s urban areas, suffers from intense smog. The Air Quality Index, which uses a scale from 0 to 500 (with higher numbers indicating worse pollution), rates Nanjing’s air quality as 132 – a level considered unhealthy for the public, especially ...
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