solar-wind-hydro-power

SOURCEADVANTAGESDISADVANTAGES
 

HYDROELECTRICITY
Produce inexpensive electricityDisrupt natural river flow
Reservoirs used for flood control, irrigation, drinking water, and recreationSlow down river flow that can kill fish and other animals that depend on a steady flow
Renewable energy sourceAlter water quality
Increases reliability of energy sourcesSignificant obstacle to fish and other animals
Improves air we breathCan impede the natural flow of sediments
Fights climate changeExpensive to build
Small hydro plants using local rivers can be practical for some communitiesFlooding large areas of land
Disruption or destruction of habitats
Displacement of Aboriginal and other communities

 

SOURCEADVANTAGESDISADVANTAGES
 

 

 

         WIND

Energy production does not produce greenhouse gasesOld designs emit noise
Does not contribute to global warmingSome people do not like the visual impact created
Farming and grazing can continue on land where wind turbine is locatedWind does not always blow or remain constant
Renewable resourceBarriers to bird movement
InexhaustibleCause fatal bird collisions
Produces fuel source that can never be depleted
No air pollution
No water needed
No need to tear up the ground or destroy habitats
Small environmental footprint
New designs emit minimal noise
One wind turbine can supply a large area with energy

 

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