examples increased, the cultivated around rivers areas will fade

examplesshow that if the number of dams are increased, the cultivated around riversareas will fade away.On the other hand, these floods like Iindicated previous paragraph cause deterioration of human settlements. Forinstance, the Teton Dam, which was an earthen dam on the Teton River in Idaho,United States, suffered a catastrophic failure on June 5, 1976, as it wasfilling with for the first time.

The collapse ofthe dam resulted in the deaths of 11 people and 13,000 cattle. Thedam cost about $100 million to build and the federal government paid over $300million in claims related to its failure. Moreover, because construction of a dam takes up a large chunkof land, it forces relocation of humans.

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A quotation of The Guardian article, which was releasedin 2010, can be exemplified this case:Gianthydroelectric dams being built or planned in remote areas of Brazil, Ethiopia,Malaysia, Peru and Guyana will devastate tribal communities by forcing peopleoff their land or destroying hunting and fishing grounds, according to a reportby SurvivalInternational today.The firstglobal assessment of the impact of the dams on tribes suggests more than300,000 indigenous people could be pushed towards economic ruin and, in thecase of some isolated Brazilian groups, to extinction.Thus, we can say that hydroelectric powerplants just conduce that rich guys fill their pockets with money.However, against these propositions, people say that hydroelectric poweris cheaper than its alternatives and it does not pollute air, water or soil.Yes hydropower is cheaper than its alternatives, but when it harms the soil, wewill not be able to turn back to those days, and yes it has not visiblepollution, but it deteriorates the environment in long time. They cannot seethe corruption, but it goes on.

So when they assert these claims, they arewrong.Most people think that hydroelectricplants are innocent, because there is no pollutant or wasted water. However, theycannot understand that hydropower dams deteriorate habitats of animals andhumans, and also decrease productivity on agricultural areas. Every yearbecause of the dam failures thousands of people die and become homeless.

However, the number of dams increases, since thanks to the indifferent attitudeof society, governments keep on permitting to construct new ones. Even if thereare some environmental movements like the International Anti-Dam Movement,researches and movements on the issue are still insufficient.