China has the 4th largest, and the fastest growing major economy in the world. Over the past 20 years some 400 million Chinese people have been lifted out of extreme poverty – mainly as the result of rapid and extensive urbanization. Within the next 20 years, 400 million more people are expected to move to the Chinese cities. Almost 50% of all new floor area in the world is being constructed in China. 16 of the 20 most polluted cities in the world are in China, and its future resource consumption may easily surpass that of any other country in the world. Curator's introduction to the catalogue