From powering villages with clean energy, to cleaning up the oceans, eco-inventions are helping us to save the planet. In this book, children can discover how t

100 years ago, no one had climbed the highest mountain. 200 years ago, no one had visited the North and South Poles. The first people to discover these places t

Eco-homes are houses that are environmentally friendly with features that reduce their carbon footprint - for example, by using solar panels to heat water and p

Eco-homes are houses that are environmentally friendly with features that reduce their carbon footprint - for example, by using solar panels to heat water and p

Join the Comet Street Kids to find out about the different states of matter. Discover how the Ancient Greeks investigated and explained these states, and how we