- Hydroelectricity: is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water.
Hydroelectricity: the making of electricity by gravity or flowing water.
- Fish and other sea creature are injured by turbine blades. Algea and aquatic weed can result in scarce amount of marine light because the water is still.
- Water wheels help farmers with their machinery they generate electricity without producing air pollution.