managing urban areas sustainably part 1

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Managing urban areas sustainably part 1
New towns
UK's first attempt to manage urban growth during the post war period
Smaller, planned towns on the outskirts of cities
Eco towns
Small carbon neutral towns containing 5000-20,000 homes
Homes carbon neutral and affordable with mix of owner occupied, rented or
social housing
Bed ZED- eco town
Development of 99 homes in south London
Aims to reduce carbon footprint by using building design (south facing,
thick walls, cavity wall insulation) to create no need for central heating.
Roofs covered in a plant that saves water which is used for sanitation. Air
vents provide air conditioning. Burn locally sourced wood chippings to
power a central energy unit
Green washing- the perception that eco towns are sustainable and fool
people into thinking that eco towns don't damage the environment
Only rich can live there (starting prices are £350,000)
doesn't provide services for poorer people. Wood chips
still produce emissions even if they are locally sourced.
Dongton, China- eco city
Large city designed to have minimal environmental impact and to be attractive and
sustainable. Aim to build 400 similar cities in China. Will provide services for ½
million people. Large amounts of energy come from renewable sources.
Lower density housing separated into `3 villages' by forests, organic farms,
lakes and tourist attractions
Car free city- network of footpaths, cycling tracks to encourage people to
walk or cycle to work. Public transport highly accessible, no more than
500m for each home.
Open spaces- 27m2 for each inhabitant, raising quality of life
Self sufficient in energy needs- generated from renewable sources
Waste is recycled
Green building technologies reduce energy needed to cool and heat homes by
9km expressway links Dongton to Shanghi

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Improved infrastructure attracts tourists
4km wide wildlife park between Dongton and wetlands- acts as greenbelt
¼ area will be protected including wetlands which provide habitats for
migrating birds
Dongton's ecological footprint target is 2.2gha which is higher than the
theoretical sustainable level of 1.9gha
Could become just a residential area for Shanghi's wealthy, which will
increase pollution as residents would commute from Shanghi to Dongton.…read more


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