megacity

    By Hannah Ameye, University of Bonn   Cities are growing faster in sub-Saharan Africa than elsewhere, with an annual urban population growth rate of around 4% compared to the world average of 1.5%. Across the continent the urban share of the total population is projected to increase to 50% by 2030 and 60% by 2050. Urbanisation is associated with lifestyle changes such as less physical activity and less […]