When melting permafrost poured into the entrance of the Svalbard Global Seed Vault, there was an understandable worry. What good is safeguarding the world’s crops in the Arctic if even that area isn’t immune to the threat of climate change? Well, you can relax. Statsbygg, the Norwegian construction group behind the vault, has outlined “technical improvements” to keep the entrance safe. It’s building waterproof walls and ditches to channel water away, and it’s moving electrical equipment out of the entrance to avoid creating a source of heat. The vault will also take fewer visitors to reduce body heat levels — even that small amount could make a difference.


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