SOURCE: "Chilly Scenes of Nuclear Winter," in The New York Times Book Review, January 6, 1991, p. 7.

In the following review, Ackland offers praise for A Path Where No Man Thought.

At their summit meeting in February, Presidents George Bush and Mikhail Gorbachev are scheduled to sign the Strategic Arms Reduction Treaty (START). That will be a good step toward disarmament and many people are bound to reckon that the threat of a global nuclear catastrophe has died with the cold war. But, in fact, the risk is far from gone.

In A Path Where No Man Thought Carl Sagan and Richard Turco, who were on the scientific team that devised the concept of nuclear winter, remind us that the risks of nuclear war, even of a relatively "small" one, are unacceptably high. Given the possibility of nuclear winter—the "darkening, cooling, enhanced radioactivity, toxic pollution, and ozone depletion" that...