Follow world-renowned scientist Cary Fowler into the heart of the arctic, where the Svalbard Global Seed Vault lies nestled in the frozen Norwegian landscape. Among the most important buildings in the world, the Seed Vault holds the key to human survival: more than 880,000 seed samples, the largest collection in the world. These seeds are critical because, unless safeguarded, agriculture biodiversity is at risk of decline in the face of changing environmental and population pressures.