How much do you know about the state of our planet and the journey we're on to reach a more sustainable future? Journalist and broadcaster Lucy Siegle tackles ten big topics involved in our quest to reach net zero and, through stories and revealing questions, probes your understanding of what we can all do to get there. Divided into ten important topics, and including revealing questions on recycling and reusing, the importance of flora and fauna and planet-friendly food, find out how much you really know about how our consumer habits and lifestyles are affecting the environment, and the positive changes we can make now to ensure we're all true friends of the earth. Packed full of stories and tips that show the people, the projects and the places that are already living as if this planet was precious, this is an essential handbook for anyone looking to improve their understanding of how we can all have a positive impact on Planet Earth.