Will The Day After Tomorrow happen sooner than we think?

A Nature paper this week suggesting an early collapse of a key ocean current system raised fears of a 'Day after Tomorrow'-style catastrophe. That's overplayed, but the reality is still very worrying

The cast of “The Day After Tomorrow” were all smiles at a 2004 premiere, but a new report into ocean currents is not much to smile about. Photo: Getty Images

Could the collapse of an ocean current system really tip us back into the ice ages?

Hollywood blockbuster “The Day After Tomorrow”, released nearly 20 years ago,  depicted North America in the grip  …