Dam Impacts in Asia
Hydro-electric power is the conversion of the kinetic energy of falling water into electricity. Of the world's electricity, 15% is produced in this fashion (Baird, Stuart. http://www.iclei.org/efacts/hydroele.htm, 07/09/00). In 1996 the demand for electricity in developing Asia was rising at 8% a year and the region has enormous potential for hydro-electric power (The Economist (US), Oct 12, 1996 v341 n7987 p66(1).). In order to produce hydropower, dams must be built. From an economic viewpoint, unless a river is dammed for industrial or commercial purposes it is useless. However, ecologically all river water is used. The dilemma remains one of whether the benefits of industrialisation outweigh the costs to the environment. Most Asian countries are willing to tread the path of industrialisation at all costs. This essay will examine the advantages and disadvantages of dam construction, then look at China's Three Gorges Project as a case study. The main advantage of dams can be seen when hydro-electric power is compared to other energy sources such as coal, oil, wood and nuclear power. Dams are renewable and emit no air or water polluting by-products as well as no waste heat as thermal pollution (Kraushaar & Ristinen, 1993, p1
Other's fear the escalating cost may wreck the Chinese economy as even the World Bank does not see the project as economically viable (Environment-China: Banned Voices speak on Three Gorges Dam. It is their spiritual home that was taken from them when they were forced to relocate despite the project now being on hold (The resettlement of indigenous people affected by the Bakun Hydro-electric Project, Sarawak, Malaysia.
Common topics in this essay:
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Economist Oct,
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Acceptance Essays
