“In a situation where many national leaders do the same thing and look out for national interests, and with an issue like global warming, you're likely to get no solution, so I think you have to have some kind of ethical trump on some of those issues.”

Australian philosopher and bioethicist, Singer is best known for his utilitarian approach to ethics and his influential work on animal rights and effective altruism. His writings challenge conventional moral frameworks, advocating for compassionate decision-making across human and nonhuman animals.