By David Pimentel

Content material: Biofuels reason malnutrition on the earth / David Pimentel -- Biofuel and the area inhabitants challenge / Mario Giampietro and Sandra G.F. Bukkens -- power cropping in marginal land : manageable choice or fairy story? / Sandra Fahd, Salvatore Mellino, and Sergio Ulgiati -- Can switchgrass bring the ethanol had to energy U.S. transportation? / Tad W. Patzek -- Biofuels, weather switch, and human inhabitants / Edwin Kessler -- doubtful customers for sustainable strength within the uk / Andrew R.B. Ferguson -- internet power stability and carbon footprint of biofuel from corn and sugarcane / Claudinei Andreoli, David Pimentel, and Simone Pereira de Souza -- Water, nutrition, and biofuels / Claudinei Andreoli and David Pimentel -- the possibility of Onondaga County to feed its personal inhabitants and that of Syracuse, big apple : prior, current, and destiny / Stephen B. Balogh .. [et al.] -- power creation from corn, cellulosic, and algae biomass / David Pimentel ... [et al.] -- Biofuels and global nutrition and society matters / Philip McMichael -- the potential for algae and jatropha as biofuel assets / Robert Rapier -- Crop residues for biofuel and elevated soil erosion dangers / Rattan Lal -- Biofuels, meals, farm animals, and the surroundings / David Pimentel

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2009. Global prevalence of vitamin A deficiency in populations at risk 1995–2005: WHO global database on vitamin A deficiency. World Health Organization of the United Nations, Geneva. pdf. chapter two Biofuel and the world population problem Mario Giampietro and Sandra G. F. 1 Introduction.............................................................................................. 2 The dependence of our food supply on oil.......................................... 1 Demographic and socioeconomic pressure in relation to fossil energy consumption in agriculture...........................

20 Global economic and environmental aspects of biofuels The third and last observation regards the share of animal products in the diet, which is an important determinant of the total consumption of fossil energy in food production (the overall output/input energy ratio). In fact, consumption of animal products in the diet implies a double conversion: first, crops are produced, which are then fed to animals. 1 shows that the overall intake of food energy in the diet (foods of plant and animal origin) is almost the same for developed and developing countries.

5b) than that commonly encountered in the literature. 5a shows the conventional linear representation of net energy analysis: the energy investment (input) goes into the process of exploitation of a primary energy source (PES) and gives us a return (output). As observed above, we are dealing here with an accounting done exclusively in terms of joules of energy carriers; the amount of primary energy sources consumed in the process is conveniently neglected. Hence, this method of accounting can result in an output/input ratio larger than one.

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