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