Urbanization is a term from geography. The base of the word is the Latin urbs, which means city. The term urbanization means that lifestyle that is common in a city becomes prevalent. This can happen in two different ways:
Through the growth of cities; called physical urbanization
Through the change of behavior of people living in rural areas; called functional urbanization
Physical urbanization has been observed for centuries. In developing countries this is the main form of urbanization. In developed countries, functional urbanization is the main form of urbanization. With functional urbanization, people living in the city center move to the countryside, next to the city; this is known as suburbanization.
Environmental scientists are studying the urban heat island. The urban heat island is made when industrial and urban areas are developed, and heat becomes plentiful. Environmental impacts also include reducing soil moisture and intensification of carbon dioxide emissions.

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