Relier Pairs Unit 6_Energy_1Version en ligne Energy par David Tordesillas 1 Wind energy 2 Biomass 3 Sound energy 4 Geothermal energy 5 Light energy 6 Solar energy 7 Solar, wind, water, biomass and geothermal 8 Water energy 9 Renewable energy sources It is the most efficient energy and does not cause pollution This energy comes from a source that produces vibrations These sources do not run out when we use them This energy can contributes to deforestation and global warming This energy can be natural or artificial It can damage wildlife habitats and bird populations Renewable energy sources This energy is heat that comes from the centre of the Earth This energy is the cleanest source of energy