"I think one real challenge for people when they learn about grave problems in the world is this sense of futility, of like, what can I do in the face of that?" Lewis Bollard felt this futility when he learned about factory farming as a teenager. Most advocacy he encountered wasn't strategic — it was based on anecdotes rather than evidence. Then he discovered effective altruism: a framework for stepping back and asking which approaches actually work. Now he leads the Farm Animal Welfare program

What is effective altruism? Philosopher Peter Singer explains