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Figure 1 Wackernagel, M. and Rees, W. (1996) Our Ecological Footprint, New Society Publishers; Figure 5: © Greenpeace/Scharnberg;
Figure 6 Department of Trade and Industry (2004) Digest of UK Energy Statistics. Crown copyright material is reproduced with the permission of the Controller of HMSO; Figure 7: From Decade, 1995, Environmental Change Unit, University of Oxford; Figure 8: From Decade, 1997, Environmental Change Unit, University of Oxford.
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