Can We Compare Pain Across Species?
It is increasingly accepted, among the general public and ethicists, that preventing suffering is morally important, regardless of the species of the individual who is suffering. But this raises a more difficult question: how do we compare the suffering of animals of different species?
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LONDON – In recent weeks, I have been touring the United States and the United Kingdom, promoting Animal Liberation Now, my new book on the ways in which we are inflicting suffering on hundreds of billions of nonhuman animals, especially in factory farms. The persistence of this vast, entirely unnecessary suffering is one of the great moral issues of our time.