Peter Singer

“To be a utilitarian means that you judge actions as right or wrong in accordance with whether they have good consequences. So you try to do what will have the best consequences for all of those affected.”

“If people are prepared to eat locally and seasonally, then they probably do pretty well in terms of environmental impact.”

“That's a central part of philosophy, of ethics. What do I owe to strangers? What do I owe to my family? What is it to live a good life? Those are questions which we face as individuals.”