the second exodus

Very soon, for the first time in human history, the majority of the world’s population will live in cities. Millions now cram into slums and shanty towns often in desperate conditions. In Nairobi’s slums, on average, 500 inhabitants struggle to share 1 toilet...In 2005 over 1 billion people lived in urban slums – one third of the world’s urban populations. By 2030 this figure will double. Over 180,000 people move to live in cities every day; 300 people daily move into the slums of Mumbai’s (Bombay)...The United Nations Population Division expect the world’s urban population to double every 38 years.