The urban environment problem is by human economic and social development and the harmonious relation between the environment destruction, mainly is not reasonable use of resources and caused by the waste. Urban environment problems form the main air pollution, water pollution, noise pollution, waste pollution, etc. B resources ...
Do not describe the miscellaneous problems but choosing the popular topics such as:1)population;2)nois pollution;3)air pollution;4)water pollution;5)GWE problem;6)the traffic jam p...
