Urbanisation is the growth of towns and cities as more people move from rural areas. This quiz explores its causes, patterns, and the challenges it creates worldwide.
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You can find more about this topic by visiting BBC Bitesize - Urban issues and challenges
The potential for employment is often a pull factor for cities. Even in more economically advanced nations, such as the UK, people move to places like London and Manchester in the hope of finding the right job
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One of the problems defining a city's population comes from defining its boundaries. Greater London is much larger then London itself. Many city centres have surprisingly low populations as businesses and retail have taken over the streets
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World cities control a disproportionate percentage of the world's commerce. Also known as global cities, they can rise and fall as the international business landscape changes. In 1866 Liverpool was described as the only global city, now this smaller city is overshadowed by neighbouring Manchester
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Despite many people moving to cities in search of the perfect job, unemployment can also be an problem in urban areas of the UK. Added to pollution, rising house prices and traffic congestion, it's no surprise that counter urbanisation is occuring
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By providing car parks, more cars are encouraged to come into the city centre. By improving public transport and cycle lanes, as well as penalising car users that do enter the city, it becomes easier and cheaper to leave the car outside the city centre
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Whilst some areas have better educational opportunities than others, everyone has access to a free basic education in the UK - unlike in many less developed nations
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Since little needs to be done to clean up the site before use, and since much larger developments can be completed, the cost per unit for the developer is reduced
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Urban renewal of both derelict sites and old properties means that areas are improved and property prices increase. This can lead to gentrification of the area and a change in the demographics of the population
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Key features of a sustainable city include good public transport links, safe walking and cycling routes, recycling of waste, and resources and services being open to all
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Reducing transport needs reduces pollution and so improves the life of residents
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