Air purifier: GK, Current Affairs, Questions, Trivia and News

China builds world’s biggest air purifier

In an attempt to fight air pollution, China has constructed an experimental air purifying tower, touted to be the “world’s biggest air purifier” at a height of over 100 meters (328 feet). The tower has been built in Xian in Shaanxi province and is being tested by researchers at the Institute of Earth Environment at ..