@radical.media CEO Jon Kamen presents 19.20.21, an initiative to research and document the first 19 cities to reach 20 million inhabitants during the 21st century.
Kamen: Life inside the planet’s super cities will soon be one of the great challenges of the 21st century.
http://fora.tv/2008/12/11/Jon_Kamen_Mass_Urbanization_and_the_192021_Project