The world is becoming increasingly crowded. Recently, the planet’s seven billionth human inhabitant was born – little more than a dozen years after the 6bn mark was passed in 1998
While conditions are ‘deplorable’, improving conditions in informal settlements such as Kibera, a sprawling slum in the Kenyan capital, is preferable to bulldozing them
The frenzied expansion of cities has matched rapid economic development. It has also created potentially explosive social problems, writes Jamil Anderlini
The subcontinent’s young population is regarded as a future asset, but concerns over food security, education and employment remain, finds James Lamont