The city too fast development has made it become crowded city!

Population increase into fast, population consumes a lot of energy, food, and water resource.At the same time, it will produce a lot of waste gas, waste.

As a result, the city is facing serious environmental and resource problems. One of the problems is water shortage.

Because of air pollution, water pollution is more and more serious.

The city people easier many disease, physiological disease and psychological disease is easier.