(Shanghai) Population has grown at % per year since 1992. Shanghai's population is now million, double of 1987 (20 years ago). Receives nearly new residents per year.

is the CBD of Shanghai, it has a variety of functions, including , , , recreation, tourism, media, information services and business. Only a amount of residential areas.

towns in Jiading and Anting are built to on city. These new towns have different such as "first wireless zone", in order to to there.

As a result of population and the of the built-up area of Shanghai, there is a need to develop systems. The transport system focuses on two , two and three transport . transport is the key feature of Shanghai’s public transport.

, and all threaten the city’s water security.

Pollution:
1) water is contaminated by
2) relatively low capacity of treatment system led to waste being into rivers

intrusion: the movement of water into underground water, when there is not enough water to balance this system.

Shanghai built the Qingcaosha , which is designed to provide water up to 68 days, to help improve the situation.

In the past, Shanghai's rubbish ends up in or unregulated heaps at the edge of the city. This leads to contamination of the and . To solve this problem, Shanghai is building to generate from waste.

Chinese leaders realised that would be an important aspect of developing Shanghai’s , and encouraged investment in communications equipment manufacture. Shanghai's strong telecommunications base was critical in attracting - investment to Shanghai.