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80,000 Hours Podcast

80,000 Hours Podcast

#249 – Spencer Greenberg on staying sane while trying to save the world

Jul 28, 2026 · 2h 9m

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If you genuinely believe that humanity could be wiped out by AI or a pandemic, what is the appropriate amount of fear to feel? “As much as possible” can seem like the only reasonable answer. If the world is on fire, surely feeling calm just means you haven’t internalised the situation. When you’re trying to prevent human extinction or end factory farming, taking a weekend off can feel morally indefensible. But fear is an alarm designed to provoke short bursts of drastic action, not a state humans can productively inhabit for months or years. Guilt turns out not to be such a great engine for productivity, either. So what is the best way to sustain motivation to work on the world’s most…