By 2100, all of the world's 20 largest megacities will be located in the developing world, with the majority in Africa. What implications will this shift have for the future of the global economy, climate, and the welfare of these urban populations?

A new wave of sustainable urbanism focuses on bringing nature into the heart of the cities.

With over one million people moving to cities every week globally, the world is currently undergoing the biggest wave of urbanisation in human history . As urban populations increase, future cities will also face an array of new challenges.

The big cities of the 2020s are a fascinating market for innovations across all walks of life. Let's look at 22 trends that will likely make impacts on the future of cities. In this study, we use a comprehensive foresight tool to set up a process of anticipating changes.

When we talk about 3D printing, many people first picture small-scale products, such as car parts or smartphone covers. But what happens when we attempt to build larger structures, like houses or bridges, with 3D-printing?

Cities allowed for the creation, storage, and passing of information throughout millennia. Without them, we wouldn't have had many of the political, scientific, artistic, and technological revolutions we've had over the years. Indeed, the city of the future will quite certainly look different from the city of today. What are the phenomena changing the nature of today's cities?