Description Earth is our home, and it's our responsibility to take care of it. That?s just one important truth students will learn through this title, which tackles the problem of pollution in an accessible way. With text written to support elementary science curricula, students will learn what causes pollution, why it?s harmful, and what can be done to fix it. Detailed photographs and fact boxes supplement the text, and nonfiction text features complete a comprehensive learning experience. The text's clear call to action is sure to inspire students to become global guardians!