And of course there is one of the worst ways to go, nukes. It is a toss up between this and a plague which would be the worst way to go. I suppose at least a plague you could hide from, a nuke, not so much.
With tensions high most of the time around the world all it takes is one slip up and the rest of the planet pays the price. Humans are great at building things that destroy everything it seems. Do you have any fears over a nuclear war?