Urban sprawl is a common usage term which describes the spread of large urban areas. It now has a very negative connotation and is generally considered to be a major social problem.Urban sprawl originally referred to American cities,but now describes a global phenomenon. Urban sprawl is generally recognized as a logistics problem as well as an environmental problem. Current issues regarding urban sprawl include quality of life, provision of adequate water and food supply, and the rapidly deteriorating quality of life in these cities.