Two plot points, spoilers obviously
So I've been reading though this message board since I finally got down to watching the movie.
I see a lot of you people got boggled down in climate change or global warming but this movie has nothing to do with it. None of you all seem to be able to pick up on point of the 'weather towers'. There are basically the 'facts' of the movie and anyone can try to refute it, but you'll be wrong.
Pre-movie timeline;
Earth is getting warmer.
Humans decide they want to change that.
They build Weather towers all over the world.
The towers made it colder and colder.
People didn't know how to turn them off or Earth kept on getting colder and colder from the effects of the weather tower.
This last point is a but more muddy but the fact is that the weather towers caused the earth to go into an ice age.
Why do I say this? It's from the partial broadcast that was shown. The line is: "We have been able to modified a weather tower and successfully reversed the cooling process."
If the towers were made to cool the earth it would reason that they would need to modify it to make it warm instead of chill.
If the towers were made to warm and stop a 'natural' ice age, they wouldn't modify it in the first place to start warming the plant. I don't want to hear any nonsense that the towers were built all over the world ahead of the scientists being able to 'figure out' how to make them warm the planet and all of them are 'incomplete'. There are other one liners sprinkled around; Mainly between Sam and Kai's conversation about how the weather towers should remain a 'lost' technology.
That's it folks. It's humans that ruined it. Plot wise. As for if any of you believe in global warming/climate change, whatever.. that doesn't really matter in the context of this movie now does it?
Also the coordinates that do show in the satellite are right outside of Portland Oregon. google maps: 45.0425, -122.893056. This fictitious seed bank Colony 7 seems to be a rip off of the Svalbard Global Seed Vault in Norway.
There's certainly tons of other plotholes to poke at. One that I haven't seen mentioned are the 'varying' levels of snow. On the bridge there happens to be no built up snow. As with the location of the seedbank. The door was right where the snow/ground is pre-ice age.
Other times like at the helicopter, it seems to be up to street lights.. and like wise in the city built up several stories high. At colony 5, the snow build up so bad, it seemed like the only way 'in' was though a whole in the smoke stack.
Yea.. I'm sure there's other ways in since the cannibals/zombies were able to make it out. I would think the scouting party would use the 'front' door instead of some random opening (marked with blood) they come across to check on their 'friends'. Briggs also seemed 'confident' the only way to trap them as to blow the stack in which case would imply that is the normal way in and out.