Class Notes (923,005)
CA (543,042)
UTSC (32,990)
Geography (721)
GGRA03H3 (139)
Lecture

lecture 5

3 Pages
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Department
Geography
Course Code
GGRA03H3
Professor
Susannah Bunce

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L05
- contested ideas (varying between opinions and ideas)
- cities are complicated/complex systems (lots of things happening at the same time)
- spatial patterns of the urban society
- computers/technology (GIS) to analyze geographical patterns
- policy: help maintain/govern the city on different levels
- investment in rebuilding of our city as city system: inefficient in energy uses
- rebuilding urban form to reconstruct
- city = opportunity for change
Sustainable Cities Ideas
- over 50% of world population
- ability to maintain sustainable life with low/shared uses
- sustainable development = development that meets the needs of the present without
compromising the ability of future generations to meet their own needs
- development that improves the long-term health of human and ecological systems
- inter-generational equity: inequitable for g3eneration to use up cheap resources
- intra-generation equity: disparities in wealth increasing, poor countries are unable to use
a lot of resources, but are more damaging
- transfrontier responsibility: if developed world makes/uses all of the resources/pollution,
catch up
- green infrastructure & buildings (e: 25-50%, c: 33-39%, w: 40%, s: 70%)
urban sustainability issues [measures of ecological footprint]
energy use - Bill Reese 1990s, how much land
CO2 emissions area used to supply products used
water consumption within daily life
resource consumption - reduce consumption levels to
waste production be sustainable
storm water surges
Can policy and city planning actually help make cities more sustainable?
urban form: the spatial arrangement of activities in a city, the resulting spatial flows of
people, goods, and information, and the physical features which shape those activities,
including buildings, shapes, surfaces, transport and other infrastructure systems (Kevin
Lynch, Good City Form, 1996)
Æ must include cyclical and secular (once) changes in above arrangements, as well as
measurements of their density and interrelationships
- Reagent Park (social housing) - unsuccessful, earlier solutions to 'urban problems'
- pattern: affects lifestyle and way/form of transportation
- Toronto = high density mixed change in urban form, segregated land uses ('all-in-one'),
separated residential/shopping/jobs (consumes a lot of land and more spread out but more
travel required)
suburbs - designed upon small families (1 car, 1 mother/father/son or daughter)
# of cars per household, per/km travelled increasing .'. congestion
- urban form = key variable in urban sustainability
- urban density, land use mix, travel patterns = key determinants of energy consumption
problems with urban sprawl
high costs for infrastructure (lower the density, higher the costs)
energy intensity
automobile dependence
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Description
L05 - contested ideas (varying between opinions and ideas) - cities are complicatedcomplex systems (lots of things happening at the same time) - spatial patterns of the urban society - computerstechnology (GIS) to analyze geographical patterns - policy: help maintaingovern the city on different levels - investment in rebuilding of our city as city system: inefficient in energy uses - rebuilding urban form to reconstruct - city = opportunity for change Sustainable Cities Ideas - over 50% of world population - ability to maintain sustainable life with lowshared uses - sustainable development = development that meets the needs of the present without compromising the ability of future generations to meet their own needs - development that improves the long-term health of human and ecological systems - inter-generational equity: inequitable for g3eneration to use up cheap resources - intra-generation equity: disparities in wealth increasing, poor countries are unable to use a lot of resources, but are more damaging - transfrontier responsibility: if developed world makesuses all of the resourcespollution, catch up - green infrastructure & buildings (e: 25-50%, c: 33-39%, w: 40%, s: 70%) urban sustainability issues [measures of ecological footprint] energy use - Bill Reese 1990s, how much land CO2 emissions area used to supply products used water consumption within daily life resourc
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