-Water is a clean energy source, so it will not pollute the air.
-Water will help us save un-renewable resources for when we are desperate.
-Hydro energy plants cost a lot of money to build/create.
-Dams/Hydro energy plants can ruin many habitats for wild animals.
Some Cool Facts
-The hydro-electric power system relies on the water cycle
-The hydro-electric power system has been around for thousands of years
-Most dams were not at first made to generate electricity
-Most hydro-electric dams are in the states more west
-In the year 2006 hydro-power generated 20% of the world's electricitty