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Chapter 14 Renewable Energy

Chapter 14 Renewable Energy. mostly coal powered. Sources of Electricity in France . Renewable. Sunlight, wind, falling H 2 O, geothermal Not fossil fuels, not nuclear. Indirect Solar power. How does it affect… Wind? Hydropower? Firewood? Hydro carbon fuels?

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Chapter 14 Renewable Energy

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  1. Chapter 14 Renewable Energy

  2. mostly coal powered

  3. Sources of Electricity in France

  4. Renewable • Sunlight, wind, falling H2O, geothermal • Not fossil fuels, not nuclear

  5. Indirect Solar power • How does it affect… • Wind? • Hydropower? • Firewood? • Hydro carbon fuels? • Nuclear and Geothermal are not indirect solar

  6. Passive Solar Heating • Large south-facing windows, heavy drapes to trap heat at night, interior bricks to trap heat • Shade windows in summer • Even though back up systems are required, and solar heating may only lessen the need for heating oil a few %, it will help us adapt to diminishing oil supplies.

  7. Photovoltaics • Active solar energy • Photovoltaic (PV) panels can be used to convert the energy from the sun into electricty. • “Every hour enough solar energy reaches the Earth to meet the world's energy demand for a whole year." • http://www.eere.energy.gov/solar/video/pv3.mov

  8. Did you know that… • Power towers are sun tracking mirrors used to focus sunlight on a central boiler • You can cook food in a solar oven • CH4 (methane) results from digesting manure anaerobically • Alcohol results from fermenting sugars or starch anaerobically

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