By 2050, the global population living in cities is projected to reach 5 billion, growing from 3.5 billion in 2015. Massive investment in infrastructure will be needed to accommodate this growth, and to adapt infrastructure to climate change and benefit from the digital transition. This report...

Containing sprawl is a major preoccupation of many urban planners, who view sprawl as responsible for driving up environmental costs and congestion. Nevertheless, many economists see benefits to sprawl, allowing households access to larger and cheaper properties. This Round Table examines the...