Urban Sustainability
- Created by: Jake Robertson
- Created on: 08-05-13 15:47
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- Sustainability of urban areas
- Requirements of acceptable standards of urban lving
- Durable housing
- Secure tenures
- Enough space
- Safe water
- Sanitation
- Chahnges in planning for sustainability
- 1.New towns
- Forst attempt to manage urban growth in post-WWII Britain
- 2.Eco towns
- July 2007-cash earmarked for development of small carbon neutral towns containing between 5000 and 20000 homes
- 3.City-wide planning
- 4.Comunity controlled towns
- 5.Slums
- 1.New towns
- BedZed
- 99 homes in south London
- Aims to reduce carbon emissions
- Houses have thick walls, south facing windows, and roof vents
- Rainwater harvesting from roofs
- Not really sustainable as houses are very expensive, and house a tiny population
- Ecological footprint
- Measure of the productive land needed to support a person in terms of the resources they use, and the waste they produce
- European average is about 3ha per person
- USA average is about 4ha per person
- Global carrying capacity is about 1.9ha per person
- Dongtan
- Chongming Island, eatern China
- Designed by British company ARUP
- $1.3bn project
- Housed 25000 by 2010, 80000 by 2020, and 500000 by 2030
- 86km^2
- 1/5 of total area urban
- Planned footpaths a cycle routes
- Planned easily accessible public transport (bo more than 500m from every house
- Generous areas of greenn space
- Buses powered by hydrogen cells
- No landfills, waste burned and used as fuels
- Renewable energy sources
- Wetlands conserved
- Ecological footprint will be 2.2gha, higher than 1.9gha needed for sustainability
- Could become a dormitory town.
- Migrant birds threatend
- Requirements of acceptable standards of urban lving
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