“From now to 2030, the world will need to build the equivalent of a city of one million people in developing countries every five days.”—Scott Mueller, “The Next Generation of Infrastructure,” Scenario Journal (Spring 2013)
Cities are back in fashion, as Boomers and Millennials alike are flocking to urban cores from the suburbs in significant numbers. Globally, the level of urbanization is simply unprecedented, with well over half of all humans already living in cities; within 50 years time, that number is expected to encompass 70% humanity, according to the World Health Organization. For the first time in its history, the human species is now a predominantly urban species. Questions about human thriving will increasingly be urban questions.