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Renewable energy
A picture of the sun shining on the Earth 3a i Solar power
Explains that besides being the primary source of all energy, technology can harness and convert sunlight into energy. Includes photographs
A picture of solar panels 3a ii Solar power for electricity
Details how the sun can be used to generate electricity. Includes photograph and the diagram 'Solar tower power plant'
A picture of a wind power farm 3b Wind power
Introduces the use of wind as a power source. Includes photograph and top 10 wind power markets chart
A picture of a water dam 3c Water power
Details past and present use of water as an energy resource and how water power can be used to generate electricity. Includes photographs
A picture of water 3d Hydrogen power
An introduction to hydrogen and its use as a 'clean energy' source. Includes photograph and diagram of electrolysis
A picture of a hydrogen fuel cell 3e Hydrogen combustion engines and fuel cells
Looks at ways hydrogen can be used as an energy source. Includes photographs
A picture of a hot water geyser 3f Geothermal energy
Information on how energy can be extracted from steam coming from hot springs. Includes photographs and diagram of the Earth's layers
Bails of hay in field 3g Biofuel
An introduction to biofuel showing how organic matter can be used as a source of energy. Includes photographs