Megacities: The Nexus of Risk

In 2008, the world's urban population exceeded its rural population for the first time. The United Nations estimates that about 15% of the world's population now lives in "megacities" of 10 million or more people, or in "megacities-in-waiting" of 5-10 million. Three-quarters of these massive urban centers are in low- and middle-income nations, where population growth tends to outstrip growth of public services and infrastructure. Read More >

Case Studies


Lagos, Nigeria
Flag of Sao Paulo Sao Paulo, Brazil
Dhaka, Bangladesh 
Karachi Karachi, Pakistan