Question

large dams have come under a lot of criticism from environmentalists. why ?​

Answer 1

Large Dams have come under a lot of criticism from environmentalists because

1. To construct large dams, A lot of forest land or cultivated land is to be cleared.
2. This destroys some ecosystems, even human life gets intervened
3. The native biodiversity is lost because of the clearing to construct Dams.
4. Knowledge about herbs, and medicinal plants of the ecosystem is lost with the place.
5. Due to the cut down of forest land, Oxygen percent will come down, rain fall regulation will be lost.
6. There will be a lot of change in climatic patterns like being too hot at times because of no forests

These are possible reasons for this.

Answer 2

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Large dams have come under a lot of criticism from environmentalists. why ?​

$\huge{\mathfrak{\red{\underline{\underline{Solution:-}}}}}$

Large dams have come under a lot of criticism from environmentalists because:-

★ Multipurpose projects and large dams including projects like Sardar Sarovar dam have come under scrutiny and opposition.

★ These project involve huge amount of displacement of large number of people.

★ These are huge environmental costs of silting, loss of aquatic life.

★ The seismic impact of placing these dams is also not taken into account and a major earthquake will be disastrous for the region.

★ Production of crops and other agriculture products are disturbed in a very large amount.