Abstract
Hydroelectricity is daily elements that appears everywhere in human societies. It is a clean and renewable resources that is produced by fast speed of water. The effective way of generating energy feasibly prompted to different countries that have rivers. The construction of dams boosted tourists, fishing industries, timbering, and hunting. Expanded more leisure activities for people. The increases of dams also impacted on local economies such as jobs and selling electricity. However, this paper also highlights that these dams also damaged local ecosystem, deforestation, and pollution. They generate electricity by spinning the blades. As a consequence, fishes can smash and crewed into those machines and killed, including some endanger animals. Dams destroyed their biomes. Some weak dams still depend on burning coals and fuels. Waste gases get absorbed by water and algae, and finally pollute water. The polluted water can kill plantations and crops, hence causing economic losses and damaging the ecosystem. Deforestation is also caused by those waste chemicals and gases. The waste absorbed by soils caused acidic soil, and waste gases will cause climate change, which is the main reason of biome shift or deforestation. Poor soil availability conducted by acidic soil step forward decreasing of plants. Generally, dams directed and undirected caused environmental damage, that humans can never affords.
Published Version
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