10 Mass Level Extinctions We’re Terrified Of

Global Cooling

Global Cooling, much like what we saw in “The Day After Tomorrow,” could be devastating to the human race. Basically, if the Earth becomes too cold too fast, then death will occur all over the planet. Mass migration towards the equator would occur, which would be like a desert.

Global Warming

Global Warming is a very real threat that people are experiencing right now. As the temperatures begin to rise, certain species will die off, including some humans should things grow too hot. Melting snow will make the oceans deeper, covering many pieces of land, and we can see that now with some low-lying islands being submerged by the rising see levels.