Three-time Caldecott Honor Artist Molly Bang and National Science Award-winning professor Penny Chisholm present a stunning, accessible explanation of the Earth's water cycle and its global effects. In this brightly illustrated narrative, readers will learn about the constant movement of water as it flows around the Earth and the sun's important role as water changes between liquid, vapor, and ice. From sea to sky, the sun both heats and cools water, ensuring that life can exist on Earth. How does the sun keep ocean currents moving, and lift fresh water from the seas? And what can we do to conserve one of our planet's most precious resources? Perfect for any young reader eager to learn more about his or her world, this is an invaluable addition to any classroom, library, or at-home collection. With stunning artwork and compelling scientific explanation, Bang and Chisholm have brought forth a masterpiece that is critically relevant in this environmentally tumultuous time. The newest book in the award-winning Sunlight Series is an important and beautiful exploration one of our planet's delicate geological cycles, clearly and simply presented for young readers.