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28 Moreira, J. R., Poole, A. D. 1993. Hydropower and its constraints. In Johans-
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29 Martinot, E.et al. 2002. Renewable energy markets in developing countries.
Annual Review of Energy and the Environment, 27 , pp. 309–48. Note that
the definition of ‘small hydro’ is usually units less than 10 MW capacity.
Different numbers that may be quoted for ‘small hydro’ may arise from
different definitions of ‘small’ as compared with ‘large hydro’.
30 Moreira, J. R., Poole, A. D. 1993. Hydropower and its constraints. In Johans-
son,Renewable Energy, pp. 73–119.
31 See review by Loening, A. 2003. Landfill gas and related energy sources;
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pp. 69–88.
32 Moomaw and Moreira, in Metz,Climate Change 2001: Mitigation, Sec-
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33 From Goldemberg, J. (ed.)World Energy Assessment: Energy and the Chal-
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United Nations Department of Economic and Social Affairs (UN-DESA)
and World Energy Council (WEC), New York. Original source,Energy
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34 Twidell, J., Weir, T. 1986.Renewable Energy Resources. London: Spon
Press, p. 291.
35 These projects are supported by the Shell Foundation, a charity set up to
promote sustainable energy for the Third World.
36 See Mills, E., Wilson, D., Johansson, T. 1991. In Jager, J., Ferguson, H. L.
1991.Climate Change: Science, Impacts and Policy Proceedings of the Sec-
ond World Climate Conference. Cambridge: Cambridge University Press,
pp. 311–28.
37 See review by Loening, A. 2003. Landfill gas and related energy sources;
anaerobic digesters; biomass energy systems. InIssues in Environmental
Science and Technology, No. 19. London: Royal Society of Chemistry,
pp. 69–88.
38 FromReport of the Renewable Energy Advisory Group, Energy Paper Num-
ber 60. London: UK Department of Trade and Industry, November 1992.
39 See Royal Commission on Environmental Pollution,17th Report,Inciner-
ation of Waste. 1993. London: HMSO, pp. 43–7.
40 Hall, D. O.et al. 1993. Biomass for energy: supply prospects. In Johansson,
Renewable Energy, pp. 593–651.
41 FromReport of the Renewable Energy Advisory Group, Energy Paper Num-
ber 60. London: UK Department of Trade and Industry, November 1992,
p. A29.
42 See Infield, D., Rowley, P. 2003. Renewable energy: technology
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