Supplementary information (Insight) Hall 02130 The importance of energy for so many things that we do has been submerged in recent years due principally to the ascendancy of neoclassical economics with its emphasis on financial mechanisms, supposed efficiency improvements and human ingenuity. Surely those factors are important, but energy is required for each. In an effort to redress to some degree the common view that energy is becoming less important, we include a list of critical publications identifying the past and future key roles of energy in human affairs. 1. Energy and the evolution of human culture and society. Cottrell, F. Energy and Society (McGraw-Hill, reprinted by Greenwood Press, Westport Conn., 1955). White, L. The Evolution of Culture. (McGraw-Hill, New York, 1959). Odum, H. T. Environment, Power and Society (Wiley-Interscience, New York, 1971). Debeir, J.-C., Deleage, J.-P. & Hemery, D. In the Servitude of Power-Energy and Civilization through the Ages (Zed books Ltd, London, 1986). Perlin, J. A Forest Journey. (Harvard University Press, Cambridge, Mass., 1989) Cleveland, C. J. Costanza, R., Hall, C. A. S. & Kaufmann, R. Energy and the United States economy: a biophysical perspective. Science 225, 890–897 (1984). Hall, C. A. S., Cleveland, C. J. & Kaufmann, R. Energy and Resource Quality: the Ecology of the Economic Process (Wiley Interscience, New York, 1986) Smil, V. Energy and History. (Westview Press, 1996) Schneider, E. D. & Kay, J. J. Life as a manifestation of the second law of thermodynamics. Math. Comput. Modell. 19, 25–48 (1992). Smil, V. Energies: An Illustrated Guide to the Biosphere and Civilization (MIT Press, 1998). Jefferson, M. Living in One World (World Energy Council, London, 2001). 2. Energy and economic activity. Ebohon, O. J. Energy, economic growth and causality in developing countries: A case study of Tanzania and Nigeria. Energy Policy 24, 447–453 (1996). Ko, J. Y., C. A. S. Hall & L. L. Lemus. Resource use rates and efficiency as indicators of regional sustainability: An examination of five countries. Environ. Monit. & Assess. 51, 571–593 (1998). Hondroyiannis, G. et al. Energy consumption and economic growth: assessing the evidence from Greece. Energy Econ. 24, 319–336 (2002). Stern, D. I. A multivariate cointegration analysis of the role of energy in the US macroeconomy. Energy Econ. 22, 267–283 (2000). Nakicenovic, N., Grubler, A. & McDonald, A. Global Energy Perspectives (Cambridge Univ. Press, Cambridge, 1998). Kaufmann, R. K. A biophysical analysis of the energy/real GDP ratio: implications for substitution and technical change. Ecol. Econ. 6, 35–56 (1992). Hamilton, J. D. Oil and the macroeconomy since World War II. J. Polit. Econ. 91, 228– 248 (1983). Stern, D. I. A multivariate cointegration analysis of the role of energy in the US macroeconomy. Energy Econ. 22, 267–283 (2000). Goldemberg, J. et al. Energy and the Challenge of Sustainability (UNDP, New York, 2000). Hall, C. A. S. (ed.) Quantifying Sustainable Development: the Future of Tropical Economies. (Acad. Press, San Diego, 2000) LeClerc, G. & Hall, C. A. S. Making Development Work. A New Role for Science. (Univ. New Mexico Press, in the press). 3. Energy and social welfare. Wamukonya, L. Energy consumption in three Kenyan households: A survey. Biomass Bioenergy 8, 445–451 (1995). Masera, O. R., Saatkamp, B. D. & Kammen, D. M. From linear fuel switching to multiple cooking strategies: A critique and alternative to the energy ladder model. World Development 28, 2083–2103 (2000). Goldemberg, J. & Johansson, T. B. Energy as an instrument for socio-economic development. New York, United Nations Development Programme: 9-17 WCD (1995). 4. Energy and environmental impact. Marland, G., Boden, T. A. & Andres, R. J. Trends: A compendium of data on global change. Global, regional, and national CO2 emissions. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee (2002). Houghton, R. A. & Hackler, J. L. Carbon flux to the atmosphere from land-use changes: 1850 to 1990, ORNL/CDIAC-79, NDP-050/R1, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tennessee (2001). Lefohn, A. S. H. & Husar, R. B. Estimating historical anthropogenic global sulfur emission patterns for the period 1850–1990. Atmosph. Environ. 33, 3435–3444 (1999). Stern D. I. & Kaufmann, R. K. Estimates of global anthropogenic methane emissions 1860-1993. Chemosphere 33, 159–176 (1996). Matthews, E. et al. Weight of nations: Material outflows from industrial economies. (World Resources Institute, Washington, D.C., 2000). Pimentel, D. World Soil Erosion and Conservation. (Cambridge Univ. Press, Cambridge, 1993). Kerr, R. Meagafauna died from big kill, not big chill. Science 300, 885 (2003). Vorosmarty, C., Green, P., Salisbury, J. & Lammers, R. B. Global water resources: Vulnerability from climate change and population growth. Science 289, 284–288 (2000). Gleick, P. H. Making every drop count. Sci. Am. 284, 28–33 (2001). 5. Neohubbertarians. Campbell, C. J. The status of world oil depletion at the end of 1995. Energy Explor. Exploit. 14, 63–81 (1996). Duncan, R. Three world oil forecasts predict peak oil production. Oil Gas J. May 26, 1821 (2003). Deffeyes, K. S. Hubbert’s Peak. (Princeton Univ. Press, Princeton, N.Y, 2001). Kerr, R. A. The next oil crisis looms large and perhaps close. Science 281, 1128–1131 (1998). Bartlett, A. A. An analysis of US and world oil production patterns using Hubbert-style curves. Math. Geol. 32, 1–17 (2000). 6. Energy and other costs of energy. Hall, C. A. S., Cleveland, C. J. & Kaufmann, R. Energy and Resource Quality: The Ecology of the Economic Process. (Wiley Interscience, New York, 1986). Davis , W. Future productive capacity and probable reserves of U.S. Oil Gas J. 56, 105– 119 (1958). Hall, C. A. S. & Cleveland, C. Petroleum drilling and production in the United States: Yield per effort and net energy analysis. Science 211, 576–579 (1981). Reynolds, D. B. Modeling OPEC behavior: theories of risk aversion for oil producer decisions. Energy Policy 27, 901–912 (1999). McCutcheon, H. & Osbon, R. Caspian production potential: risks temper Caspian rewards potential. Oil Gas J. Dec 24, 22–28 (2001). 7. Renewable and other energies. Darnell, J. R. & Jefferson, M. (eds) New Renewable Energy Sources: A Guide to the Future (Kogan Page, London, 1994). Martinot, E., Chaurey, A., Lew, D., Moreira, J. R. & Wamukonya, N. Renewable energy markets in developing countries. Annu. Rev. Energy Environ. 27, 309–348 (2002). Tharakan, P. J., Volk, T. A. & Abrahamson, L. P. Evaluating the impact of three incentive programs on cofiring willow biomass with coal for power production in central New York. Energy Policy (in the press). Revol, J.-P. Regard d’un physicien sur le problem de l’energie. Institute Energie et systems Electriques. CERN, Geneva. (Concept to eliminate dangerous trans-uranic elements by using thorium and a particle accelerator suggested by Carlos Rubbia). (2002).