Questions of ethics — about how we should act, our responsibilities to our fellow man, and the difference between right and wrong — have long been debated by philosophers the world over and form the linchpin of governments, cultures and religions. Now, Ben Dupre's concise, easy-to-read chapters explain the fundamentals of this discipline, and how they are relevant to our lives today. Covering essential philosophical models, including relativism, the golden rule and utilitarianism, as well as considering high-profile issues such as terrorism, censorship and the death penalty, 50 Ethics Ideas You Really Need to Know is a stimulating introduction to this complex field. The ideas explored include: Free will; Animal liberation; Right and wrong; Torture; Genetic engineering; The environment; The sanctity of life; Poverty.