Oxford Bookworms Library Factfiles: Level 3:: Future Energy Audio Pack

When the gas is gone and there is no more coal - what then?

Scientists are finding new answers all the time. Get ready for the children whose running feet make the energy to bring water to their village; for the power station that uses warm and cold water to make energy; for the car that saves energy by growing like a plant...The most consistent of all series in terms of language control, length, and quality of story. David R. Hill, Director of the Edinburgh Project on Extensive Reading.