Discover how people have used dung all through history, what happens to poo after you've flushed it away, and how it contributes to global warming. Explore how we can use poo to power our cars, homes and even rockets, and how scientists are using other ingenious sources of renewable energy.

In the beginning there was poo - how poo was used through history, in ancient cures and potions, building materials, and as a fuel in cooking - Human poo - the bottom line - What's in poo? How much do we poo in a lifetime? - Sitting on a time bomb - Human waste around the world, what do we do with poo? Sewage positives and negatives - Energy and Climate Change - Causes of global warming and its effects on the world - Carbon - the good, the bad and the pooey - the importance of carbon - Methane - effects of increased methane and use of fossil fuels - Poo Gas - How poo can generate biogas power, why this is better for the environment - Poo Electricity - many examples of how we can use biogas to power vehicles, cities, homes and even rockets - Other Cool Fuel - wind power, water power, geothermal power, solar power, plant power, liquid hydrogen - Pee Power - how we use urine too - Future Poo Power - The Power of YOU - What you can do to help save our world - Poo quiz.