Ronald Sandler is an Associate Professor of Philosophy and the Director of the Ethics Institute at Northeastern University. He is also a senior researcher in Northeastern's Environmental Justice Research Collaborative and its Nanotechnology and Society Research Group. Ronald Sandler is author of Character and Environment: A Virtue-oriented Approach to Environmental Ethics (2007) and Nanotechnology: The Social and Ethical Issues (2009). He is co-editor of Environmental Virtue Ethics (with Philip Cafaro, 2005) and of Environmental Justice and Environmentalism: The Social Justice Challenge to the Environmental Movement (with Phaedra C. Pezzullo, 2007).

• Preface; 1. Introduction; 2. The value of species; 3. The conservation biology dilemma; 4. Assisted colonization; 5. Shifting goals and changing strategies; 6. The (in)significance of species boundaries; 7. Homo sapiens in particular; 8. Artifactual species; 9. Conclusion.

'Sandler addresses problems intuitively familiar to us - what species are and why we value them - in an intellectually rigorous and engaging manner … For the philosophically inclined, The Ethics of Species provides a readable and comprehensive perspective on current ethical analysis of species, transgenics, and conservation biology.' P. William Hughes, Science

Ronald Sandler is an Associate Professor of Philosophy and the Director of the Ethics Institute at Northeastern University. He is also a senior researcher in Northeastern's Environmental Justice Research Collaborative and its Nanotechnology and Society Research Group. Ronald Sandler is author of Character and Environment: A Virtue-oriented Approach to Environmental Ethics (2007) and Nanotechnology: The Social and Ethical Issues (2009). He is co-editor of Environmental Virtue Ethics (with Philip Cafaro, 2005) and of Environmental Justice and Environmentalism: The Social Justice Challenge to the Environmental Movement (with Phaedra C. Pezzullo, 2007).

• Preface; 1. Introduction; 2. The value of species; 3. The conservation biology dilemma; 4. Assisted colonization; 5. Shifting goals and changing strategies; 6. The (in)significance of species boundaries; 7. Homo sapiens in particular; 8. Artifactual species; 9. Conclusion.

'Sandler addresses problems intuitively familiar to us - what species are and why we value them - in an intellectually rigorous and engaging manner … For the philosophically inclined, The Ethics of Species provides a readable and comprehensive perspective on current ethical analysis of species, transgenics, and conservation biology.' P. William Hughes, Science

Ronald Sandler is an Associate Professor of Philosophy and the Director of the Ethics Institute at Northeastern University. He is also a senior researcher in Northeastern's Environmental Justice Research Collaborative and its Nanotechnology and Society Research Group. Ronald Sandler is author of Character and Environment: A Virtue-oriented Approach to Environmental Ethics (2007) and Nanotechnology: The Social and Ethical Issues (2009). He is co-editor of Environmental Virtue Ethics (with Philip Cafaro, 2005) and of Environmental Justice and Environmentalism: The Social Justice Challenge to the Environmental Movement (with Phaedra C. Pezzullo, 2007).

• Preface; 1. Introduction; 2. The value of species; 3. The conservation biology dilemma; 4. Assisted colonization; 5. Shifting goals and changing strategies; 6. The (in)significance of species boundaries; 7. Homo sapiens in particular; 8. Artifactual species; 9. Conclusion.

'Sandler addresses problems intuitively familiar to us - what species are and why we value them - in an intellectually rigorous and engaging manner … For the philosophically inclined, The Ethics of Species provides a readable and comprehensive perspective on current ethical analysis of species, transgenics, and conservation biology.' P. William Hughes, Science