The richness of life on our planet has been diminished by the endangerment and extinction of many wonderful species of plants and animals. But what can be done to reverse this sad trend? Are zoos the answer? Is cloning? Might we someday be able re-create extinct species? This thoughtful book examines the imperiled natural world and the efforts of scientists who seek to protect and catalog its diversity.
 
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8/1/08 School Library Journal
This text provides an overview of why Earth's species are in trouble-habitat destruction, overhunting, trade in rare animals, and intra-habitat competition from non-native species. The author also discusses the International Union for Conservation of Nature and Natural Resources and the Endangered Species Act. There is an emphasis on the importance of the diversity of life, with an examination of how gene selection (through farming and modern science) plays a role. Irvine's overriding premise is that public awareness will do much to reduce harm to endangered and threatened creatures, and she suggests what people can do to change things for the better. "High-powered" terms at the front of the book, a glossary at the end, and terms sprinkled throughout, plus the many full-color photos, offer ample information for reports and independent study.