If a global catastrophe suddenly led to a nuclear winter, millions of people could starve. But now, scientists have figured out what crops we would need to grow to sustain a city if such a calamitous event occurred.
According to a new study, farming spinach, sugar beets, wheat and carrots in urban and near-urban areas could feed the population of a midsize city in a post-apocalyptic world.
The scientists built on previous research to determine the optimal crops to plant after a global catastrophe — such as nuclear war, extreme pandemics or solar storms. Their goal was to find the most efficient way to feed a person using the least amount of land.
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