December 9, 2012, 11am PST
In a globalized world, China's economic, environmental and urban development has implications for us all, posits Henry M. Paulson Jr. The problems the country faces, and any potential solutions, revolve around its approach to urbanization.
November 10, 2011, 7am PST
Pilgrimages to holy sites around the world have caused large amounts of waste and pollution because of the large amount of people gathering together for one event and consumeristic habits, writes George Webster for CNN