Urban density: Difference between revisions

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[[File:Revised petrol use urban density.jpg|thumb|A graph showing the relationship between urban density and petrol use.]]
It is commonly asserted that higher density cities are more sustainable than low density cities. Much urban [[Urban planning|planning theory]], particularly in North America, the UK, Australia and New Zealand has been developed premised on raising urban densities, such as [[New Urbanism]], [[transit-oriented development]], and [[smart growth]]. This argument however, remains a challenged.<ref>Williams, Katie, Elizabeth Burton, and Mike Jenks. "Achieving the compact city through intensification: An acceptable option." The compact city: A sustainable urban form (1996): 83-96.</ref>
However, the link between urban density and aspects of [[sustainability]] remains a contested area of planning theory{{Citation needed|date=November 2014}}.<ref>{{Cite journal|title = Spatial Distribution of U.S. Household Carbon Footprints Reveals Suburbanization Undermines Greenhouse Gas Benefits of Urban Population Density|last = Jones|first = Christopher|year=2014 |volume=48 |issue=2 |pages=895–902 |journal = Environmental Science and Technology |doi = 10.1021/es4034364 |pmid = 24328208}}</ref> [[Jan Gehl]], prominent Urban Designer and expert on [[sustainable urbanism]], argues that low-density, dispersed cities are unsustainable as they are [[Automobile dependency|automobile dependent]]. NASA, for example, has established a direct correlation between urban density and air pollution<ref>{{Cite web|url=https://www.nasa.gov/content/goddard/nasa-scientists-relate-urban-population-to-air-pollution/|title=NASA scientists relate urban population to air pollution|last=|first=|date=2013|website=NASA
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