Question

environmental aspects much be carefully looked before building huge dam?

Answer 1

we should be seeing that the place wont get flooded when it is rainy season so that it do not cause a problem for the residents living there

Answer 2

Environmental aspects much be carefully looked before building huge dam due to the permanent damage to land , top soil , flood control , land loss
water dispersal , energy concerns , and the effects of all the lands downstream from it .