There may be a solution to our crisis, albeit one almost too horrible to contemplate.
Experimentation on animal and human subjects with exposure to Red Element has demonstrated an unexpected potential to boost longevity.
Better still, the isotope can bond with human hemoglobin to produce a new and more efficient type of biofuel.
Provided our society can overcome its collective squeamishness over biomodification, it's within our reach to engineer a new future for our people.
Borrowing the cryotolerance of Antarctic sea life and the metabolism of hematophagous creatures like vampire bats and leeches, we could shrug off the cold and open up a new source of bioavailable energy.
Because we just so happen to have an endless clone bank of potential blood donors at our disposal... The Codex can provide life itself.