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Darmstadter, Joel, et al., How Industrial Societies Use Energy (1977); Frisch, Jean-Roman, ed., Future Stresses for Energy Resources (1986); Knoepfel, Heinz, Energy 2,000: An Overview of the World's Energy Resources in the Decades to Come (1986); McMullan
Renewable Energy and Electricity
What others are saying about "Back to Prosperity: A Competitive Agenda for Renewing Pennsylvania." The Brookings Institution released Back to Prosperity: A Competitive Agenda for Renewing Pennsylvania on December 7, 2003. http://www.sustainablepittsburgh.
Pennsylvania’s Natural Resources
King, Bret Allan. "Spain Amends Law to Allow Deductions fro Firms Investing in Renewable Energy." Daily Tax 20 March 2003. 12 May 2004 http://subscript.bna.com/SAMPLES/dtr.nsf/0/4492540aa2f2a39d85256cef0012741a?OpenDocument
Efforts to Reduce Global Warming
Williams, R. H., and Larson, E. D. (1993). Advanced Gasification-Based Biomass Power Generation. In Renewable Energy: sources for Fuels and Electricity. Johansson, T. B., Kelly, H., Reddy, A. K. N., and Williams, R. H., (eds.). Island Press, Washington, D
Biofuel
Twidell, J. and Eir, T., (1990). Renewable Energy Resources. Chapman and Hall, London.
Biofuel
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