Disadvantages of Energy Sources

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  • Issues of Energy Sources
    • Coal
      • Releases large amount of CO2 contributing to climate change
      • Carbon Capture technology to remove CO2 is unproven
    • Natural Gas
      • Releases CO2 on use
      • Issues of security of supply
    • Nuclear
      • Health risks and accidents e.g. Chernobyl
      • Issue of disposing of radioactive material
    • Oil
      • Global supplies may have reached peak
      • Release CO2 when burnt
    • Solar
      • Availability varies
      • Expensive
    • Tidal
      • Certain locations suitable
      • Technology for large-scale generation unproven
    • Wind
      • Certain locations suitable
      • Wind energy variable - power supply
    • Biomass
      • Acts as carbon sink
      • Limited for LS generation
    • Geothermal
      • Limited to certain areas e.g Iceland
    • Hydro-electricity
      • Large scale schemes - expensive
      • Dam building - flooding

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