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References

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    Satterthwaite, D. (2008) Cities' contribution to global warming: notes on the allocation of greenhouse gas emissions. Environment and Urbanization, 20, 539549.
  • 2
    Commission for Rural Communities (2007) The State of the Countryside. CFRC.
  • 3
    Hoornweg, D., Sugar, L. and Gomez, C. (2011) Cities and greenhouse gas emissions: moving forward. Environment and Urbanization, 23, 121.
  • 4
    EC (2010) Environmental, Economic and Social Impacts of the Use of Sewage Sludge on Land. EC.
  • 5
    Brand, S. (2009) Whole Earth Discipline. New York: Viking.
  • 6
    Barley, S. (2010) Escape to the city. New Scientist, 2785, 3235.
  • 7
    Davis, M. (2006) Planet of Slums. London: Verso, p. 16.
  • 8
    UK Food Group (2010) Securing Future Food. UK Food Group.
  • 9
    Rees, W. and Wackernagel, M. (1996) Urban ecological footprints: why cities cannot be sustainable – and why they are a key to sustainability. Environmental Impact Assessment Review, 16, 223248.