Pollution. Dirty drinking water. Climate change. What can we do about such big problems? We can speak out! In this book, you'll learn about some incredible kids who had the courage to speak out about protecting Earth and its resources, and what you can do to join them! The inspiring books in this series highlight youth advocates for causes around the world. Young readers will learn about children who had the courage to speak up about an important issue and make a positive difference. Each title features a list of 10 ways for the reader to get involved and help change the world. Also includes a glossary, after-reading questions, and an extension activity.