With greenhouse gas emissions warming Earth and climate change increasing natural disasters, people and governments must reduce their dependence on nonrenewable fossil fuels and move to clean, renewable energy sources. This series provides a comprehensive overview of six energy technologies that will protect and power Earth's future. This title examines the history and use of hydropower, the pros and cons of the technology, and next steps for this important energy source. This book also includes a table of contents, an infographic, informative sidebars, a That's Amazing special feature, quiz questions, a glossary, additional resources, and an index.

AGES: 8 to 11