How could plastic-eating bacteria help reduce waste? Can a river be given human rights? Could we generate all the power we need from the sun and the wind? How do woolly sweaters help penguins in peril? Would building a giant sunshade in space stop the world from overheating? Find the answers to these questions and more in this exciting book full of big, small and unexpected ways to save the planet. Ideal for fact loving readers aged 8+. Each book in this best-selling, award-winning series presents 100 bite-sized topics, with bold, graphic illustrations and clear text. Perfect for dipping in and out of, and for sharing with family and friends. Discover all the titles in the 100 Things to Know series:1. 100 Things to Know About Science2. 100 Things to Know About Saving the Planet3. 100 Things to Know About Music4. 100 Things to Know About Numbers, Computers & Coding5. 100 Things to Know About Food6. 100 Things to Know About the Human Body7. 100 Things to Know About Space8. 100 Things to Know About the Oceans9. 100 Things to Know About Planet Earth10. 100 things to Know About History11. 100 things to Know about the Unknown12. 100 things to Know about Sport