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. Invasive species are a leading environmental issue today. In this book, young readers will learn about the causes and effects of invasive species. Large-scale and personal solutions to controlling and eliminating invasive species 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.