A new ice age is coming upon a generation that is the least equipped of any men of the last two millennia. All they are going to be able to do is die poorly.
This planet is going to get really cold, really quickly. Famine will be the biggest problem initially, particularly in the formerly wealthy countries like the U.S. where there will soon be no money with which to buy any food.
It's a reprint, but it is truly comic hilarity thinking of the wide open mouths of Kwanzanians as they stare at the night sky blithely without possessing the brains to know what they are seeing.