The end of the world

The world will probably end because of the climate change, but I like to think that the apocalypse will be caused by an alien invasion.

Most of humans will die in the invasion and the rest will become slaves. Martians will destroy everything with they’re spaceships and futuristic weapons, but with the advance technology they’ve had eventually they’re going to build a new alien society here in the earth.

The humans that remain alive are going to create a resistance against the aliens, something similar to Terminator but replacing the machines for the Martians. The war between the aliens and the remaining humans will conclude with the complete banishing of the human civilization.

After the aliens used all the resources in the earth they’re going to find another useful planet to conquer. Finally the planet will be annihilated by the aliens, who will destroy the core of the earth with a giant laser.  

I definitely would like to know when the world is going to end, to take precautions, especially in the case of an intergalactic invasion. If the human kind knows when the world is going to end, maybe we could turn the situation around and save the planet.