1 Reported in Campbell and Glenn, Profit from Pollution Prevention.
2 Reported in the Wall Street Journal, 11 June 1991.
3 Reported in INFORM, 1985, Cutting Chemical Wastes, by D.Sarokin, W.Muir, C.Miller and S.Sperber, INFORM, New York.
4 Reported in INFORM, 1992, Environmental Dividends: cutting more chemical waste, by M.Dorfman, W.Muir, and C.Miller, INFORM, New York.
6 Reported in Clean Production Worldwide, UNEP, Paris, 1993.
7 Reported in Hirschhorn and Oldenburg, Prosperity without Pollution.
8 I am grateful to Professor Roland Clift for suggesting this schematic representation.
9 Apart from the costs of the equipment and the costs of the limestone to operate the system, flue gas desulphurisation reduces the conversion efficiency of the power station, implying increased costs for the additional coal required.
10 See T.Jackson (ed.), Renewable Energy—prospects for implementation, Butterworth-Heinemann, Oxford/Stockholm Environment Institute, 1993.
11 See WCED, Our Common Future, Oxford University Press, Oxford, 1987.
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