
Population growth in Sydney is mostly due to natural increase (more births than deaths). The rest of Sydney’s growth comes from immigration. Sydney has a population of 4.1 million people and is expected to grow by 40,000 people a year for the next 25-30 years. …
Environmental advantages
Urbanization is on the rise around the world. Another environmental advantage of cities compared to rural areas is a decrease in carbon emissions per person. In a rural or suburban area people normally use their own vehicles to drive to work or anywhere else.
Significance
Urbanization creates enormous social, economic and environmental changes, which provide an opportunity for sustainability with the "potential to use resources more efficiently, to create more sustainable land use and to protect the biodiversity of natural ecosystems."
Origin
Urbanization is the process by which rural communities grow to form cities, or urban centers, and, by extension, the growth and expansion of those cities. Urbanization began in ancient Mesopotamia in the Uruk Period (4300-3100 BCE) for reasons scholars have not yet agreed on.
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