Deep inside a mountain in the Arctic is a vault designed for a problem most people rarely think about:

What happens if the world's crops disappear?

The Svalbard Global Seed Vault stores backup samples of seeds from crop collections around the world, creating a genetic safety net for agriculture.

How the Doomsday Seed Vault Protects the World's Food explores how this extraordinary facility works and why preserving seeds could become critical for the future of food.

The vault is built into a mountain on the Norwegian island of Spitsbergen, far above sea level and surrounded by Arctic conditions.

Inside are millions of seed samples representing thousands of crop varieties.

The goal isn't to grow food directly inside the vault.

It's to preserve genetic diversity.

That d ...