Energy conservation 1

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  • 1. Energy conservation
  • 2. Energy conservation Facts • Energy conservation- reducing energy use. • Over 70% of electricity in the U.S. is generated from non-renewable sources. • If the energy efficiency of commercial and industrial buildings improved by 10%, it would equal a reduction in greenhouse gas emissions equal to taking 30 million cars off the road.
  • 3. Energy conservation Facts • Energy can be conserved by using renewable resources. • There are 5 types of renewable resources. • Solar, Hydroelectric, Biomass fuels, Geothermal, and Wind. • The EIA estimates that about 19% of world electricity generation is from renewable energy.
  • 4. Solar energy • Solar energy is energy from the sun. • Solar energy is captured by solar panels. • About 0.22% of US energy comes from solar energy.
  • 5. Solar Energy
  • 6. Hydroelectric Energy • Hydroelectric energy is energy from moving water. • The water moves and turns a turbine that generates electricity. • 6% of US energy comes from Hydroelectric energy.
  • 7. Hydroelectric Energy
  • 8. Biomass Fuels • Biomass fuels are made from living things. • Biomass fuels are burned to get energy. • 4.6% of US energy comes from biomass fuels.
  • 9. Biomass Fuels
  • 10. Geothermal Energy • Geothermal energy is energy from Earth’s heat. • Geothermal pumps are used to tap into this resource. • .4% of US energy comes from geothermal energy.
  • 11. Geothermal Energy
  • 12. Wind Energy • Wind energy is energy produced by wind. • Wind spins a wind turbine which generates electricity. • 1.4% of US energy comes from wind energy.
  • 13. Wind Energy
  • 14. The End