The film attributes the ice age to a massive influx of freshwater from melting glaciers disrupting the salt balance in the oceans—a concept loosely inspired by actual climate theories regarding the disruption of the Atlantic Meridional Overturning Circulation. Critical Reception
Subplots involve characters making agonizing choices to ensure the survival of others, such as a mother tracking her son after a plane crash or a character choosing to perish to protect their partner. Scientific Context and Artistic License Apocalypse of Ice
The unique narrative choice to stack an environmental disaster on top of a biological one. The film attributes the ice age to a