"Scientists estimate that by the year 2050, almost half of Earth's species may be extinct. This frightening prospect would have devastating effects on the future of our planet. In this book, readers will study the issue of endangered species and the impact that human activity has on the plants and animals of the world. Using primary sources and helpful graphics to illustrate conservation efforts, the text encourages readers to take an active role in helping to save endangered species"-- Provided by publisher.
