Kasia interviews Peter shortly after his 80th birthday, exploring his life, and the ideas that have shaped his career. Peter traces the development of his practical ethics, from Animal Liberation and Famine, Affluence, and Morality to the emergence of effective altruism, GiveWell, and The Life You Can Save. Singer also discusses moral progress, personal regrets, writing about his family history in Pushing Time Away, and the ongoing work of advancing ethical giving through his current projects.

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Producer: Rachel Barrett

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