Around the world, scientists are finding cool and unusual ways to make people's lives better and help the environment. Some of these methods have been quietly used for centuries. Only recently have they earned much attention. Other methods use new technology in unexpected and even gross ways to clean things up and provide people with water and energy! Learn about the history of these fascinating methods, how they work and how they are making the world a better place. People and farm animals make a lot of poop every day. Poop is often an untapped source for energy and fuel. Some people hope it will become popular as a sustainable energy source. Turning Poop Into Power looks at how poop becomes energy and the benefits of using it for heating and electricity. Easy-to-read text, vivid images and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources and an index. AGES: 8 to 11