Question

identify any three ecological problems caused by building large dams

Answer 1

1.River water gets diverted.
2.Results in soil erosion.
3.Extensive forests gets submerged under water.

Answer 2

The three ecological problems caused by building large dams are as follows:

i) Environmental issues:

• Building dams across rivers contributes to deforestation, leading to biodiversity loss. This disturbs the ecosystem of nature. To rectify this problem by more and more trees should be planted.

ii) Social issues:

• Building darns includes construction big reservoirs. Building a reservoir can lead to flooding of neighbouring towns and villages in some instances.
• As a direct result of the building of reservoirs, a big number of individuals are displaced.
• The state must rehabilitate the individuals residing in these fields in such instances, which is an enormous job in itself.

• To overcome this problem by first, the government should move the individuals to a safer location to continue their daily job.
• If the people's life gets influenced, the government should provide these people with adequate compensation.

iii) Economic issues:

• Dam building needs an enormous quantity of currency investment. To overcome this issue by Building dams can be efficient if used for electricity generation.