Nine: Dr David Denkenberger on how to feed all 8 billion people through an asteroid/nuclear winter

Effective Altruism: An Introduction – 80,000 Hours - A podcast by The 80000 Hours team

If an asteroid impact or nuclear winter blocked the sun for years, our inability to grow food would result in billions dying of starvation, right? According to Dr David Denkenberger: no. If he's to be believed, nobody need starve at all.