CBSE · Class 10 · Science · Sustainable Management of Natural ResourcesWhat is a major drawback of constructing large dams?

A major and severe drawback of constructing large dams is the widespread displacement of massive human populations, including indigenous tribal communities, who are forced to abandon their ancestral lands, homes, and traditional livelihoods without adequate rehabilitation. Additionally, mega-dams cause enormous environmental damage by submerging vast tracts of fertile agricultural land and rich forests, destroying aquatic biodiversity, and fragmenting river ecosystems permanently.