What are some true facts about hydro power?

Question

(water power to make energy

Answer 1

down sides: Its expensive to build the dams and the dams can cause flooding behind them and destroy the migration patterns of wild life

up sides: its relatively inexpensive to maintain and is not a significant source of pollution.

Answer 2

Hydro power is one of the best, cheapest, and cleanest source of energy.

Refer to: http://edugreen.teri.res.in/EXPLORE/rene...

Answer 3

Very good source of power but the environmentalist made such a stink over it that we never built what we should have.