Debuting June 7th, it stars Will Smith and his son Jaden, who play a father and son who crash land on Earth a thousand years after a diaspora that took place 60 years from now, because the planet had became uninhabitable. But it apparently includes some sketchy science, including about rapid climate shifts. Science magazine writes, this week:
So of the three movies I can think of that somehow involved climate change -- the abysmal The Day After Tomorrow, Waterworld (where somehow the planet contained enough ice that when global warming melted it all, the only land that remained was the tip of Mt. Everest), and now After Earth -- all have seriously perverted the science for the sake of story telling.
Well, Soylent Green mentions the greenhouse effect, but it wasn't central to the plot. I guess.
Maybe someday someone will make a real movie about a realistic scenario that centers around the future with a changed climate. Meanwhile, if you ignore its science, After Earth actually looks pretty good: