What has been called the world's largest air purifier by its operators is now up and running in the city of Xian in Shaanxi province, China. The 100-meter (328 feet) tall tower has already improved the local air quality, according to Cao Junji, the scientist in charge of the project, and could prove to be a valuable tool in China's fight against urban air pollution. Greenhouses covering the size of half a soccer field surround the base of the tower, into which polluted air is pulled. The smog...
from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/worlds-biggest-air-purifier-operating-in-china
via Inhabitat
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