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Renewable energy.

   Several working definitions used for green        

energy. These include.
- An alternate term for renewable energy. 

- Energy generated from sources which do not 

produce pollutants (eg solar, wind and wave 

energies). 

- Energy generated from sources which are 

considered environmentally friendly (eg hydro 

(water), solar (sun), biomass (landfill) or wind 

- Energy generated from sources which produce 

low amounts of pollution. 

- Energy that is produced and used in ways that 

produce relatively less environmental impacts. 

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Wind Power

• Wind energy is:
 - plentiful
 - renewable
 - clean 
 - reduces greenhouse gas emision.

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Hydro Power

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Solar Energy

• Heat water - for use in homes, 

buildings, or swiming pools.

• Heat spaces - inside greenhouses, 

homes or other buildings.

• Photovoltaic- change sunlight directly 

into electricity.

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Document Outline