As the historical gathering point of people from different origins, cities are a key nexus of immigration policy implementation and innovative experimentation.
Cities around the world are preparing for the massive disruption of autonomous vehicles. What are some of the opportunities and risks? Here's what you should know.
Cities must step up when nation-states ignore the devastating impacts and economic costs of climate change, sea level rise, and environmental degradation.
Climate change, economic inequality, and political unrest are making some of the world's fastest-growing cities dangerously unstable. But even the most fragile places are fixable.
Cities are the primary reception point for migrants and refugees, and also the potential antidote to the reactionary nationalism that threatens to close borders.
Global cities are products of a liberal world order that is under threat from the rise of populist nationalism, protectionism, and growing authoritarianism.