Humans have a complex relationship with planet Earth. Life depends on the planet's natural resources. Yet human activity has led to many environmental issues. Renewable energy is one of the leading environmental issues today. In this book, young readers will learn about the importance and growth of renewable energy. Large-scale and personal solutions to fossil fuels are also presented and encourage and inspire budding environmentalists to protect and preserve the planet. Charts, graphs, maps, and infographics provide key 21st Century Content in an engaging and accessible way. Includes an activity, glossary, index, suggested books and websites, and a bibliography.