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LIST OF TEXT FIGURES
The Sources of Energy
3 other sections not shown
active population employed Africa Agricultural Revolution agricultural society Antiquity areas average birth birth-rate Braidwood calories cent century a.d. changes chemical energy China Cipolla coal consumption converters cultural death-rate demographic explosion demographic transition density diffusion discovery domestication Drosophila melanogaster Earth East electricity environment equilibrium Estimated European fertility figures France harness human population human species hunting improvements inanimate energy income increase India industrial production Industrial Revolution industrial society Italy kilocalories labour levels of living logistic curve London MacNeish man's mankind mechanical energy megawatt-hours ment millennium b.C. mortality Neolithic Revolution Paleolithic Paretti Penguin plants and animals point of view population growth Population pyramids problem progress Russia sector selected countries social solar energy sources of energy South America South-West Asia Spirit Cave Sumeria supply of energy Sweden Table technical efficiency techniques tend textile thousand United Valley water-mills Western Europe windmills world population world production York