1. Allaby, M. (1989) Guide to Gaia. London: Optima.
2. Arnstein, S.R. (1969) A ladder of citizen participation, Journal of the American Institute of Planners
July, 216224.
3. Atifield, R. (1983) Christian attitudes to nature, Journal of the History of Ideas
44, 369–386.
4. Barry, J. (1999) Environment and Social Theory. London: Routledge.
5. Benbrook, C.M. (1990) `Society’s stake in sustainable agriculture’. In Edwards, C.A., Lal, R., Madden, P., Miller, R.H. and House, G. (eds.) Sustainable Agricultural Systems. Ankeny: Soil and Water Conservation Society, pp. 37–58.