June 21st, 2007
Episode 19 of 622 episodes
The C40 group of the world's leading cities met in New York recently to discuss how cities could address the issues raised by climate change. Led by Bill Clinton and New York Mayor Michael R Bloomberg, city bosses were there in force, perhaps indicating the return of 'city states' as drivers of change. Monocle reports from the event and grabs interviews with some of the key players.