Who would have though that simply painting a mural on the side of a building would one day have the same pollution-cleaning effect as planting 780 trees?
Organized by the sportswear company Converse as part of their City-Forests campaign, the latest mural in the Polish city of Warsaw is not only an aesthetically pleasing artwork, but also an ingenious way to tackle urban pollution. Painted using photocatalytic paint with titanium dioxide, on a building that faces the busy metro station Politechnika, the ingenious mural reportedly attracts airborne pollutants before converting them into harmless nitrates through a chemical process involving sunlight.
