For the first time in history, the majority of the world population now lives in cities. Global urbanization will continue at high speed; the world's urban population is expected to increase by more than 3 billion people between 2007 and 2050...
Buhaug, Halvard & Henrik Urdal (2009) Will Climate Change Lead to more Urban Violence? Urbanization, Urban Environmental Problems, and Social Disorder in Cities, presented at 50th Annual Convention of the International Studies Association, 15-18 February.
