Now fully revised and updated in its second edition, _An Introduction to Conservation Biology _is well suited for a wide range of undergraduate courses, as both a primary text for conservation biology courses and a supplement for ecological and environmental science courses. This new edition has been expanded and updated with hundreds of new examples, explanations, citations, and figures to enhance learning and excitement for the subject. Coverage of recent conservation biology events in the news--such as climate change and sustainable development--keeps the content fresh and current._An Introduction to Conservation Biology_, Second Edition, focuses successively on biological diversity and its value; threats to biological diversity; conservation at the population and species levels; protecting, managing and restoring ecosystems; and sustainable development. Each chapter is beautifully illustrated in full color with diverse examples from the current literature. Chapters begin with guiding conservation biology principles and end with study aids including summaries, an annotated list of suggested readings, and discussion questions. Throughout, the authors maintain a focus on the active role that scientists, local people, conservation organizations, government, and the general public play in protecting biodiversity, even while providing for human needs.