science

Ironically, it could be like the astroohage if it somehow spread on its own. The sun is dimming, so it's getting cooler, and fast. To counter this, they actually release a bunch of greenhouse gasses to keep things warm.

I wish the movie included this, because it makes it more clear it's all about climate change, and that the world needs to work together to solve the problem. Huge sacrifices need to be made, but we have to do it.