F763 The energy issue

The energy issue

what are the sources of energy and how doe these vary in their global energy pattern?

• Non renewable
  • "a resource that has a finite supply and will not regenerate in a persons lifetime"
  • Fossil fuels
    • oil
      • most accessible oil reserves found in middle east
    • gas
    • coal
  • nuclear
    • case study - Germany
• semi renewable
  • a resource that will regenerate within an average persons lifetime
  • wood
  • biofuels
  • nuclear
• Renewable
  • wind
  • tidal
  • wave
  • solar
    • Photovoltaic systems
      • solar panels that convert sunlight directly into energy
    • Thermal power plants
      • focus suns energy onto a point to heat water and generate stem to turn turbines and generate electricity
    • Solar towers
      • greenhouse with a tall tower in the middle which heats air. warm air rises turning turbines as it does so
  • geothermal
  • water
    • water wheel
    • hydro
• Pattern
  • LEDC's
    • Rely on wood, biomass, fossil fuels, and traditional methods (water wheels)
    • Case studies - Nigeria & Kenya
  • NIC's
    • rely on oil and gas and increasing levels of nuclear power. large hydro schemes becoming more common.
    • Case study - China
  • MEDC's
    • Reducing coal and oil and…