ToddBonzalez Member Oct 27, 2017 2,571 Mar 23, 2020 #1 So yeah. Dark times around the world right now. It got me thinking, what do you think will wipe our species out of existence? Climate change, nuclear war, plague, rogue AI? Or do you think humanity will continue until the heat death of the universe? Personally I think climate change might end us before we’re able to get a self sustaining colony going off-world.