Peter Singer Is Still Interested in Controversial Ideas | The New Yorker
https://www.newyorker.com/culture/the-new-yorker-interview/peter-singer-is-committed-to-controversial-ideasThe Hinge of History by Peter Singer - Project Syndicate
https://www.project-syndicate.org/commentary/ethical-implications-of-focusing-on-extinction-risk-by-peter-singer-2021-10