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Lecture 3

ENVS 4225 Lecture Notes - Lecture 3: Urban Sprawl, Habitat Fragmentation, Habitat Destruction

Environmental Studies
Course Code
ENVS 4225

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ENVS 4225 – Lecture 3 18:56
Sustainable Use of the Urban Land
Urbanism – Lifestyle of city dwellers.
Smart Growth – Incremental growth; growing slow but still developing.
Environmental Impacts of compact urban development
Land use, travel behavior and accessibility – if you are in a compact area,
your movement will be limited.
Societal and ecological impacts – social relations in compact cities are
stronger due to physical closeness.
Local air and noise pollution – reduce in air pollution because of the decrease
in traveling.
Habitat fragmentation of nature conservation areas – reduce in habitat
destruction due to compact urban areas. Less urban sprawl = better
environment for habitats/animals.
Outcomes of the compact city policy of the 1990’s.
Building relatively high density housing and places or work and services
Heavy investments in urban renewal to improve the quality of the housing
Adoption of restrictive planning measures to protect the green heart from
major urban development
Setting up the national ecological network – a network of nature
conservation areas enjoying special protection from land use developments.
Why is there so much traffic and congestion in North Toronto/North York? –
because Toronto has a lot of urban sprawl, creating urban centers further
away which results in an increasing population around urban areas.
Root causes for replacing compact urban development by a network city as a
planning concept.
A ‘network city’ as a planning concept and supervision of local authorities
would be reduced.
Policy targets for educing car travel would be abolished.
Restrictive land use zoning was to preserve natural environments, open
agricultural areas and other important landscapes.
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