Looks like only about half of them have been deployed. The rest are mostly retired but not yet dismantled, or in inventory ( https://thebulletin.org/premium/2024-05/united-states-nuclea... ) Apart from the absolute number, is the collection of current weapons "more effective" (whatever that would mean -- some sort of fit for purpose) than the ~23K warheads at the end of the cold war? Or is it simply a subset of the d…
Do you need to do delivery? If nuclear winter is going to end humanity as we know it, then couldn't you blow up an uninhabited wasteland part of your own country and still hurt everyone?
Also nuclear winter is somewhat controversial, I don’t know what the latest model results are.