english 109 informative speech
TRANSCRIPT
RenewableenergyRenewable energy is the energy used unlimitedly, and will never run out. It comes fromnaturalresourcessuchas sunlight, wind, water, organic matter,andgeothermalheat.
EnergiesThe world energy supply.Source: International Energy Agency 2007
6% 21%
2%
10%
1%Nuclear Gas Oil Coal/peat Other Biomass Hydro
27%
34%
Typesofcleanenergies
Biomass
Biomass is a renewable energy source that use organic matter.
Biofuel or alcohol made by fermenting the components of plants and it is made mostly from sugar and starch crops.
Gas or biogass is the biological breakdown of organic matter in the absence of oxygen
Geothermal
Geothermal Energy is power extracted from heat stored in the earth.
Geothermal power station produces electricity.
Geothermal
Hydro
Hydro is the power derived from the force of moving water.
Hydro-electric is generate electricity by Hydro power plant using the gravitational force of falling or flow water through Hydraulic turbine and electrical generator.
Hydro
Wave
Wave power uses the energy of waves to produce electric generation, water desalination, or the pumping of water.
Wave
Solar
Solar Energy is use the sunlight to produce energy.
Photo-voltaic module or panel is a group of photo-voltaic cells cadmium telluride or silicon that produce electricity.
Heating water
Solar
Wind
Wind Power is converting the energy of wind into a useful form of energy.
Electric energy using wind turbines, Mechanical power in wind mill, Pumping water with a wind pump.
Wind
Conclusion
Saving the world is the objective of the use and implementation of green energy sources. Saving our future generations have to be a compromise by each human being to eradicate use fossil fuel and coal which produce global warming and greenhouse gases.