With a population expected to double by 2050, Africa has to re-think its cities. The management of space and housing, waste and resources, and let’s not forget mobility... The challenges are diverse, yet each is essential for the future of the continent and its inhabitants. That’s where smart cities come into play. Little by little, Africa is developing its own models, adapted to its reality, but resolutely turned toward the future. Zoom on 4 smart African cities in the making.