This second City Life programme tells the story of how one provincial capital - Chengdu, in South West China - has reversed appalling environmental pollution and improved the lives of some of its poorest inhabitants...A thousand businesses and as many as 100,000 residents had to be relocated..."We as a developing country need to develop our economy, but we absolutely at the same time must do this environmentally, says Secretary General Zhang [Zhang Jihai, Secretary General of the Chengdu Communist Party]. "I think that polluting first and then cleaning-up is an extremely uneconomic and irresponsible way of doing things."