Part 64 (1/1)

Ibid.

72 thirty-seven such megacities will sprawl across the Earth

Ibid.

73 a projected increase of 175 percent between 2000 and 2030

United Nations Population Fund (UNFPA), State of World Population 2007: Unleas.h.i.+ng the Potential of Urban Growth, e in different shapes and sizes. What they share in common, according to the United Nations definition: ”lacking at least one of the basic conditions of decent housing: adequate sanitation, improved water supply, durable housing or adequate living s.p.a.ce.” UNFPA, State of World Population 2007: Unleas.h.i.+ng the Potential of Urban Growth.

78 two billion people within the next seventeen years

Ben Sutherland, ”Slum Dwellers 'to Top 2 Billion,' ” BBC, June 20, 2006, news.bbc.co.uk/2/hi/in_depth/5099038.stm.

79 growing at a rate even faster than the overall urban growth rate

United Nations Department of Economic and Social Affairs, World Population Monitoring: Focusing on Population Distribution, Urbanization, Internal Migration, and Development, 2009.

80 especially in developing countries-do so to earn higher incomes

David Satterthwaite et al., ”Urbanization and Its Implications for Food and Farming,” Philosophical Transactions of the Royal Society B 365, no. 1554 (2010): 280920.

81 and into the middle cla.s.s-particularly in Asia

European Strategy and Policy a.n.a.lysis System, Global Trends 2030-Citizens in an Interconnected and Polycentric World, /news63547941.html.

87 even as more than 900 million people

United Nations, Millennium Development Goals Report 2011.

88 by approximately twenty pounds in the last forty years