Explain the ill-effects of big dams.

1.	Explain the ill-effects of big dams.
Answer» (i) Many times, big dams have been unsuccessful in controlling floods due to sedimentation and excessive rainfall. (ii) In 2006, Maharashtra and Gujarat got hit badly by the floods due to heavy rains and also water was released from the dams. These floods resulted in extensive soil erosion as well as devastated the life and property of the people. Land got degraded further due to siltation. Thus the multipurpose project aggrevated the pollution, water-borne diseases and induced earthquakes.

Answer»

(i) Many times, big dams have been unsuccessful in controlling floods due to sedimentation and excessive rainfall.

(ii) In 2006, Maharashtra and Gujarat got hit badly by the floods due to heavy rains and also water was released from the dams. These floods resulted in extensive soil erosion as well as devastated the life and property of the people. Land got degraded further due to siltation. Thus the multipurpose project aggrevated the pollution, water-borne diseases and induced earthquakes.

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