An essential tool to teach kids about the importance of water! Did you know that water covers almost three-fourths of Earth's surface? More than half the world's creatures live in this water. And the rest cannot survive without it! That's why it is so important to protect this vital resource, which has been threatened by pollution and other human-made dangers. Discover more about what is threatening Earth's most precious resource, as well as what is being done to protect it, in Protecting Earth's Waters . ABOUT THE SERIES: Earth is known as the Blue Planet because of the abundant amount of water that covers our home. And nothing on Earth could survive without it. As we find ourselves facing a global water crisis, learning about this life-giving resource has never been more important. The books in this series are filled with colorful photos and diagrams, plus easy-to-digest text, and fascinating facts. And they offer young readers an in-depth look at what water is, how we use it, and most importantly, what we can do to protect it.