The update at Svalbard, an archipelago near the Arctic Circle, would cover “construction of a new, concrete-built access tunnel, as well as a service building to house emergency power and refrigerating units and other electrical equipment,” according to a statement from Norway’s Ministry of Agriculture and Food,

The new work comes after a thaw of permafrost in 2016 caused some water to flow into the vault’s entrance. No seeds were damaged, but the Norwegian government decided the store, designed to withstand nuclear war and earthquakes, needed an upgrade in case global warming intensified.

Source: Global warming prompts Norway to strengthen its doomsday seed vault