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  • Energy sources and sustainability

    • What is energy?

      Find out where energy comes from and what the main types of energy are.

    • What is renewable and non-renewable energy?

      Discover the differences between renewable and non-renewable energy.

    • How is electricity generated?

      Find out how power stations generate electricity from different energy sources, and how the electricity we use every day gets to our homes.

    • What are batteries and energy stores?

      Learn how batteries store energy and how they can help make our energy use more sustainable.

    • What is biomass energy?

      Learn how biomass can be used as a renewable energy source and find out about its advantages and disadvantages.

    • What are fossil fuels?

      Learn how we use fossil fuels and why burning them causes climate change.

    • What is geothermal energy?

      Learn how geothermal energy from underground can be used as renewable energy and find out about its advantages and disadvantages.

    • What is hydroelectricity?

      Learn how hydroelectric dams generate renewable energy and find out about their advantages and disadvantages.

    • What is nuclear energy?

      Learn how nuclear energy can be used to generate electricity and find out about its advantages and disadvantages.

    • What is solar energy?

      Learn how solar energy is used to generate renewable energy and its advantages and disadvantages.

    • What is tidal energy?

      Find out what causes tides and how their renewable energy can be used to generate electricity.

    • What is wave energy?

      Learn how wave energy is being developed to generate renewable electricity and find out about its advantages and disadvantages.

    • What is wind energy?

      Learn how wind turbines generate renewable energy and find out about their advantages and disadvantages.

    • What are new renewables?

      Learn about some of the new developments in renewable energy and how these might help reduce climate change.