In any large-scale nuclear exchange between the superpowers, global environmental changes sufficient to cause the extinction of a major fraction of the plant and animal species on the earth are likely. In that event, the possibility of the extinction of Homo sapiens cannot be excluded.
If the greenhouse effect is a blanket in which we wrap ourselves to keep warm, nuclear winter kicks off the blanket.
The unleashed power of the atom has changed everything save our modes of thinking and we thus drift toward unparalleled catastrophe.
To live is to suffer, to survive is to find some meaning in the suffering.
Now I am become death, the destroyer of worlds.