Expo 2010 Shanghai

You probably have heard about it. After all, it is one of the most exciting event this year.
The theme for this year expo is "Better City, Better Life".

It represents the common wish of the entire humanity to live in a future urban environments. This theme represents a central concern of the international community for future policy making, urban strategies and sustainable development. In 1800, 2% of the global population lived in cities. In 1950, the figure raised to 29%, in 2000, almost half the world population moved into cities, and by 2010, as estimated by the United Nations, the urban population will account for 55% of the total human population.

If you are interested, you could look for more information in the official website.