Lecture Seven

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Published on 17 Dec 2010
School
UTSC
Department
Geography
Course
GGRA03H3
GGRA03
Lecture 7 – Megacities
Today:
- what are megacities
- why are megacities important
- large size as an urban variable
What is different in a megacity?
Megacities:
- unsustainability, u see higher risks of healthy decline, and other declines
- how is unsustainability being framed, and how can we learn from it?
Big Questions
- in what ways are megacities a new form of urban development?
- are there distinct characteristics?
- why is size a problem?
GIANT CITIES
- giant cities are not a problem (theory), New york city most efficient in north America, generate
less waste per capita
- large cities are often higher quality of life, attractive places to live, energy efficient, jobs created
- not necessarily problem for sustainability, is there an issue?
- dystopia thought, there comes a point where a city becomes unliveable, in giant cities people
dont know each other, increase in crime, sci fi sees giant cities as problematic in future
- there seems to be a distrust and fear of giant cities
WHY ARE MEGACITIES IMPORTANT?
- megacities about 9% of worlds population
- only 2 megacities, in 1950, Tokyo and newyork
- 1975, mexico
- by 2007 there were 19 including 15 in developing countries
WHAT ARE MEGACITIES
- has to be over 10 million population
- in the past, it was 4 million, the number was lowered to provide more sample cities
- difference between 1m to 10m:
- larger the city, higher land prices (more people competing for land)
www.notesolution.com
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Document Summary

Unsustainability, u see higher risks of healthy decline, and other declines. Giant cities are not a problem (theory), new york city most efficient in north america, generate less waste per capita. Large cities are often higher quality of life, attractive places to live, energy efficient, jobs created. Dystopia thought, there comes a point where a city becomes unliveable, in giant cities people don"t know each other, increase in crime, sci fi sees giant cities as problematic in future. There seems to be a distrust and fear of giant cities. Only 2 megacities, in 1950, tokyo and newyork. By 2007 there were 19 including 15 in developing countries. Has to be over 10 million population. In the past, it was 4 million, the number was lowered to provide more sample cities. Larger the city, higher land prices (more people competing for land) www. notesolution. com. At the centre, housing prices would be larger.