Wiktionary
nuclear winters
n. (nuclear winter English)
Usage examples of "nuclear winters".
It hardly seems necessary to talk about such things as nuclear winters and being fried by ultra-violet radiation.
Altering history is supposed to be utterly catastrophic - well beyond comparative trivia like nuclear winters or asteroid impacts.
They were recovering from earthquakes and tidal waves, from seasons of torrential rains and whirlwinds of black frozen ash (which in another world might well have been termed 'nuclear winters'), and from other seasons which had baked half of the planet to a desert while the other half lay cold and wasted, mainly under frozen oceans.