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Examining Water Power

Did you know that more than 70 percent of Earth’s surface is covered by water? Humans have been using water to power their daily lives for thousands of years. Someday, we may even walk on hydroelectric shoes. As our energy needs grow, scientists and other innovators are seeking new energy sources that are efficient, sustainable, and environmentally friendly. In this book, you’ll examine both past and present uses of water power and look into how water might fit into our energy future.