Re: "90% mortality
> if nukes launched we'd have over 90% mortality in one year. The electrical grid would go down, and then it wouldn't be rebuild for a very, very long time.
At least we'd only need to rebuild it to 10% of today's capacity!
But seriously, for some grim, depressing viewing - though accurate - try 'Threads (1984)': https://en.wikipedia.org/wiki/Threads
In its depiction of a nuclear winter, it makes post-apocalyptic films look like a walk in the park.