We have been making use of different energy sources for thousands of years. But we are using more energy now than ever, and we wonder about the future. Fossil fuels may run out, and scientists are looking for other sources of energy. Will nuclear, wind, solar, water, biomass or geothermal energy be our future? Or does the future of energy lie in a combination of sources? You decide!
Melanie Waldron worked in children's publishing for many years before becoming a full-time author. She has written many non-fiction books for young people and specializes in science and geography topics.