One Well: The Story of Water on Earth (CitizenKid)

Seen from space, our planet looks blue. This is because almost 70 percent of Earth's surface is covered with water. Earth is the only planet with liquid water -- and therefore the only planet that can support life. All water is connected. Every raindrop, lake, underground river and glacier is part of a single global well. Water has the power to change everything -- a single splash c More »