Jack talks to Peter Singer about animal suffering. 

Peter Singer is professor of bioethics at the University of Princeton and is arguably the most influential philosopher on Earth. Singer is well-known for his 1975 book 'Animal Liberation', for his work on global poverty, and for his influence on the effective altruism movement.

Topics covered include:

• How to communicate important ideas effectively
• What has changed for farmed animals since 1975
• Individual vs instituional change tactics
• 'The Poor Meat Eater Problem'
• Wild animal suffering
• Negative utilitarianism