The Cold and the Dark

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Cover of The Cold and the Dark

The Cold and the Dark: The World after Nuclear War is a 1984 book by Paul R. Ehrlich, Carl Sagan, Donald Kennedy, and Walter Orr Roberts.


It makes dramatic long lasting climate predictions of the effect a nuclear winter would have on the Earth, an event that is suggested by the authors to follow both a city countervalue strike during a nuclear war, and especially following strikes on oil refineries and fuel depots.

The book was released following a highly publicised 1983 study co-authored by Sagan published in the journal Science.[1]


  1. ^ "Nuclear Winter: Global Consequences of Multiple Nuclear Explosions", R. P. Turco, O. B. Toon, T. P. Ackerman, J. B. Pollack 2, and Carl Sagan, Science, vol. 23, December 1983, Vol. 222. no. 4630, pp. 1283 - 1292