Future Cities: All That Matters

THE IDEA OF A WORLD OF 10 BILLION PEOPLE, MOST OF WHOM WILL BE LIVING IN RAPIDLY EXPANDING CITIES, CAN BE A TERRIFYING PROPSECT. Add to that the effects of climate change and the scarcity of water, energy and food, and it sounds like a bleak future. Without innovation and human ingenuity, it might be, but necessity is the mother of invention, and Homo sapiens is a resourceful species.

By 2030 it is predicted that between 80-90% of the world's population will be living in cities. Tackling th...