Question

construction pf big dam displace thousand of people and does great harm to the environment ​

Answer 1

Answer:

The construction of large dams completely change the relationship of water and land, destroying the existing ecosystem balance, which in many cases, has taken thousands of years to create.

please follow me

Answer 2

Answer:

Yes it does

Many dams do not allow fish to pass through

Flooding and the destruction of surrounding habitat

Dams produce greenhouse gases

Sediment builds up behind the dam

Downstream sediment erosion

Negative impacts on local fish populations

Production of methylmercury

I hope it helps