Global demand for energy

Most such projections, based as they are on hopeful projections of economic development, forecast massive growth in global demand for energy services over the next century. As an example, the Case B projections [6] show a 3 to 5 fold increase in world economic output by 2050 and a 10 to 15 fold increase by 2100, see Fig. 4 in section 3.3.1. When improvements in energy intensity, (GDP/toe energy input), are figured in, this corresponds with a 1.5 to 3 fold increase in primary energy use by 2050 and 2 to 5 fold increase by 2100. 

The increasing global demand for energy and power mainly comes from the growth in industrialization, population, and living standards. 

Global demand for food is expected to double within the next 50 years, and global demand for transportation fuels is expected to increase even more rapidly [1]. Diversion of ethanol production from food and feed can he reduced if other agricultural and forestry products are considered for this purpose [2]. There is also a great need for renewable energy supplies... 

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