Sustainability
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.
What is waste?
Waste is rubbish that is thrown in the bin or recycled. What else can you do with waste?
How do humans impact the environment?
Discover how humans have a positive and negative impact on the environment.
Video playlist
Hydrogen as a renewable resource. Video
Mixing hydrogen with oxygen in a fuel cell can generate electricity to power a vehicle.
Biomass. Video
How biomass can be burned to produce heat and generate electricity.
Renewable energy sources. Video
A look at renewable sources of energy which are replenished or available for a long time.
Biodiesel as a fuel. Video
Production of carbon neutral fuel - biodiesel - from cooking oil, animal fat and plants.
Wave power, hydroelectricity and wind farms. Video
The pros and cons of using wave power to generate electricity.