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