Main Energy Sources

• Non-Renewable:

  • Fossil Fuels
  • Nuclear Fuel
• Renewable:

  • Biofuel
  • Wind
  • Hydro-electricity
  • Geothermal
  • Tidal
  • Solar
  • Water waves
• What is renewable energy?

  Energy which can be replenished as it is used
• What is non-renewable energy used for?

  large-scale energy supplies due to the large energy output per kilo - renewable energy cant provide such a large amount of energy easily
• Why isn't renewable energy the most reliable?

  • Solar doesn't work in bad weather or night
  • Wind is only intermittent
• What are the main energy uses?

  • Transport
  • Electricity generation
  • heating
• What is an environmental impact of energy sources?

  Extraction of energy:

  • Fossil fuels involve destroying landscapes
  • Wind turbines can be considered an eyesore

  Use of energy sources:

  • Fossil fuels release harmful emissions
  • solar, wind directly create electricity with no emissions