Yunnan, China's Vanishing Paddy Fields

Photographer Samuel Peck recently visited Yunnan, China to capture images of its paddy fields. The region's vast swaths of flooded, arable land are among the largest and most scenic on Earth. When he arrived, however, Peck learned of their rapid disappearance – a vanishing act spurred by aggressive urbanization and a… » 1/07/15 5:00pm 1/07/15 5:00pm

Two-Thirds of the World Will Live in Cities by 2050

A group called 19.20.21 has just launched a five-year study of "supercities" with populations over 20 million. They'll look at how nineteen cities that have reached this "tipping point" population suddenly change: everything from waste management and water use, to art and crime patterns are affected. The group will… » 2/15/08 7:40am 2/15/08 7:40am