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  • The Precipice - Chapter 3 (Natural Risks)
    • How big is the threat to humanity posed by asteroids, comets, supervolcanoes, stellar explosions, and other natural risks? (60 mins.)
    • If you don't have the book, listen to Toby Ord's brief summary of the chapter, starting at 50:46 of this podcast. (4 mins.)
    • You can also see a detailed overview in this lecture video. (1 hour 30 mins.)
  • The Vulnerable World Hypothesis
    • Scientific and technological progress might change people’s capabilities or incentives in ways that would destabilize civilization. This paper introduces the concept of a vulnerable world: roughly, one in which there is some level of technological development at which civilization almost certainly experiences catastrophe by default. (45 mins.)

Biosecurity

Global governance and international peace

Climate Change

Nuclear security

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