Let's build the world's largest air-purifier! Kick start The Smog Free Movement by creating clean air zones in cities around the globe. And get a Smog Free Ring as a symbol of 1000 m3 clean air.
1,577 people are supporting Daan Roosegaarde
Where Backers Come From
backers had never backed a project on Kickstarter before
backers had backed a project on Kickstarter before