Hydropower is a clean, renewable energy source that offers great promise for some parts of the world but the dams that make hydropower possible often result in habitat destruction and ruined human communities. Through objective overviews, primary sources, and full-color illustrations this title examines Can Hydropower Reduce Dependency on Fossil Fuels? How Does Hydropower Affect the Environment? Can Developing Countries Benefit from Hydropower? Do the Oceans Represent the Future of Hydropower?