The entire planet was reeling from two colonial civil wars and the most violent act of terrorism in the history of mankind. The world only had a few precious years to react to the news that it was rapidly approaching a new ice age. The winters grew longer and more severe. People grew restless. The superpowers of the world converged on a smaller and smaller field of battle, attempting to claim an ever shrinking plot of habitable land, culminating with a years long war for the archipelago. With the realization that the world was ending, civilization was split between making due and flailing wildly in its death throes.
This is the end of the world. Welcome to Mekton ZZ.