It appears that the Voeld vault, unable to gravitationally compensate for Voeld's change in orbit, has triggered a controlled melt of frozen carbon dioxide in the permafrost. Projections show this will thicken the atmosphere, gradually raising Voeld's temperature to ease the ice age. This reveals that Remnant vaults are capable of sophisticated analysis and response to planetary conditions.
You should check Restoring a World mission description for more information about this vault, its secrets, etc.
Correct solution of Remnant decryption puzzle
The Remnant decryption puzzle in this vault locks one of the consoles. Solving it allows you to gain Skill Up +2.