Peter Singer
Philosopher at Princeton University, specializing in applied ethics. He is the author of "Animal Liberation" and "The Life You Can Save," and one of the most influential living philosophers.
February 20, 2026·8 min read
Expanding the Moral Circle
Peter Singer's "Animal Liberation," published in 1975, launched the modern animal rights movement by arguing that the suffering of animals deserves the same moral consideration as the suffering of humans. Fifty years later, the philosophical case for animal rights is stronger than ever — but the gap between philosophical argument and social practice remains enormous.
TOPICS
animal ethicsmoral philosophyPeter Singeranimal rightsethics
