Energy is all around us! But where does it come from and how is it used? Explore the different types of energy, from the electromagnetic energy that keeps us connected, to the geothermal energy deep inside Earth. Discover how we can all be more energy efficient, the renewable energies that will transform our planet, and the scientists who brought energy to life, including Marie Curie, Christina Lampe-Önnerud, and Sophie Blanchard. Readers can also carry out cool energy experiments at home.