As the director of the MIT Megacity Logistics Lab, Matthias Winkenbach has cities on the brain. Whether it’s urban logistics, last-mile delivery, infrastructure design or data analytics, Matthias is at the center of the next wave of solutions to the urbanization movement. In the second episode of a three-part series, Matthias provides a ground-level look at the most exciting innovations surrounding city delivery. How is urban density both a cure and curse for sustainable urban logistics? What are the best data sources for city planning? And are we overlooking potential breakthroughs already at our fingertips?