The relationship between humans and animals is as old as civilization itself. Yet, as our societies have evolved, so too has our moral consideration for the creatures we share the Earth with. Today, the conversation around has moved from the fringes of philosophy to the center of global policy, diet, and law.
Regan’s 1983 book, The Case for Animal Rights , argues that animals are "subjects of a life." They have beliefs, desires, memory, and a sense of the future. If you accept that a human has a "right" not to be killed for a hamburger, you cannot logically deny that right to a pig, whose cognitive capacity exceeds that of a three-year-old child. The relationship between humans and animals is as