The battle against air pollution increasingly involves production and in particular fashion and similar. The American shoe brand Converse has launched a public art initiative aimed at actively combating air pollution in cities around the world, as part of its current advertising campaign “City-Forests”.

The central concept of the project is the idea of "planting trees" where otherwise they could not grow, having local artists create a series of murals that absorb pollution and that attract and convert air pollutants into harmless nitrates.
These murals are made with a specific paint, called KNOxOUT...