Bogotá: Building a Sustainable City

S3 E3: Enrique Peñalosa, former mayor of Bogota, Colombia, transformed one of the most chaotic cities in the world into a shining model of urban planning. He reformed public transport, added greenways, built mega-libraries and created the longest stretch of bike-only lanes in the world, but along the way he met tremendous opposition from the very people he was attempting to help.