The United Nations Population Fund speculates that the urban population of Africa will more than double in the next quarter century. Obviously the ripple effects of this would be serious. It's probably worth pointing out that dire population predictions have something of a mixed history, but the UNPF report indicates that 80% of the world's population will live in the developing world by 2030 with huge ramificatioins for poerty, development, health, food supplies, and just about every other aspect of daily life.
