Fearsome robots are sometimes shown in sci-fi movies attacking Earth, but in real life, robots are actually helping to save the planet.Among other amazing feats, eco-robots can plant 10 trees every 15 minutes, collect 500kg of marine waste in 10 hours and blast 9,400 litres of water per minute to fight fires.In this book, aimed at children aged 8+, readers can meet these eco-robots and many more, then try a quick quiz to find out how much they have learned.