In this book, readers will learn about the importance of the Earth's natural sources of water, as well as their similarities and differences. Emphasis is also p

Almost every stretch of open water on Earth is home to some kind of life. About 97 percent of Earth’s water is salt water. Learn more in Oceans, Lakes, and Ri

Discusses the importance of water to planet Earth, including what animals live in water and where the most beautiful bodies of water are.

This classroom resource provides clear, concise scientific information in an understandable and enjoyable way about water and aquatic life. Spanning the hydrolo

Water covers some 75% of the earth’s surface, while land covers 25%, approximately. Yet the former accounts for less than 1% of world GDP, the latter 99% plus