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China has a Tall Tool to Fight Pollution
China has a tall tool to fight pollution. A 100-meter (328-foot) smog-sucking tower has improved air quality in Xi'an, a city in the northern province of Shaanxi that relies on industrial coal burning, according to the South China Morning Post. The success of the prototype tower was confirmed by preliminary results released earlier this year. Project plans for bigger, more robust towers are now being considered in other cities such as Guanzhong, Hebei and Henan.