Mexico City is the global king of smog. But the structure surrounding this building – which contains titanium dioxide that activates with sunlight- reduces the impact of air pollution. The technology behind this smog-eating building was developed by Berlin-based design firm Elegant Embellishments. This was a government initiative fully funded by the Ministry of Health. https://www.youtube.com/watch?v=mUADjHO8zrc&t=24s Construction has one of the largest carbon footprints in the world. In this context, ecological awareness becomes essential to building a in many of the world’s most polluted cities.