Non-renewable sources

• Three main types of Fossil fuels:

  • Coal
  • Oil
  • Gas
• Ways fossil fuels are used:

  • Power engines
  • Generate electricity
  • Burned to provide heat
• Pros of Fossil fuels:

  • Cheap
  • Can be used in any condition
  • Our current infrastructure is designed to run using fossil fuels
• Cons of fossil fuels:

  • They're a limited resource
  • Produce carbon dioxide when burned
  • Sometimes produce toxic gas when burned
• Nuclear energy is obtained from nuclear reactions
• Pros of nuclear energy:

  • Do not produce any pollutants
  • Can be used in any condition
• Cons of nuclear energy:

  • A limited resource
  • Produce radioactive waste, which remains harmful for thousands of years
  • Expensive
  • Power stations can have a nuclear meltdown, which releases large amounts of radioactive material to the environment
• Non-renewable energy sources:

  • nuclear energy
  • fossil fuels