AMNC17 Global Situation Space | Smog Free Tower
Channel: World Economic Forum
Date: 2017-08-15

The air is between 40 and 70 percent less polluted in the vicinity of the world’s largest “smog vacuum cleaner”, the brainchild of artist and innovator Daan Roosegaarde. In this video, he explains how the idea came about – and why he hopes no city will need them in ten years time.

http://www.weforum.org/