Barcelona is creating massive, pedestrian-friendly “superblocks” to combat pollution

Like many modern urban areas, the Spanish city has consistently failed to meet air quality standards set by the World Health Organization, and studies attribute more than 3,500 deaths per year in Barcelona to the city’s polluted air. High noise levels from traffic and tourists, as well as scores of pedestrian injuries and deaths, have pushed city officials to create a bold plan they hope will set an example for the rest of the world. Read more.