Key Selling Points: This book explores current and future ways that microbes can be used to help tackle big environmental challenges facing the planet. There's increasing interest in exploring their potential to make the world more sustainable. This STEAM title includes basic science concepts explained in an age-appropriate manner on topics such as carbon capture, photosynthesis, genetic engineering and the effects of the climate crisis. Includes step-by-step instructions for microbial activities for young readers such as growing mycelium, baking focaccia and composting. The book provides young readers with hope for the future while still conveying the negative consequences of pollution and the climate crisis. Author Yolanda Ridge has a master's degree in science and a proven ability to distill complex scientific ideas for this age group. She has written several middle-grade nonfiction titles on everything from evolution to genetics.