The threat of nuclear war has diminished.

核战的威胁变小了。

《柯林斯英汉双解大词典》

Using a NASA computer simulation, Oman and colleagues model the climate's response to the smoke from fires brought about by regional nuclear war.

奥曼和他的同事使用宇航局的一台计算机模拟器，提出了地区性的核战争引发的冲天大火、漫天烟尘，这时气候会有何反应的模型。

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The Chrysalids tackles the idea of genetic mutation, possibly caused by nuclear war, and the Kraken Wakes tells of a world drowned by rising sea levels.

《蛹》提出了可能缘于核战争的基因变异这个话题；而在《海龙苏醒》中，海平面不断上升导致了世界被淹没。

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Years of worry that the same rockets that could take people to the moon could also bring nuclear war to Earth.

VOA: special.2009.08.16

Today's nuclear threat differs from that of the Cold War, according to U.S.Secretary of State Hillary Clinton, "The threat of nuclear war, nuclear attack that we grew up with in the Cold War has diminished.

VOA: standard.2010.04.11

North Korea says new U.N.sanctions could bring about war on the Korean peninsula and will not slow its nuclear program.

VOA: standard.2009.06.14

Lastly, there is the possibility of a nuclear war triggered by something other than a state.

ECONOMIST: The ostrich��s view of the world

Starting in the 1950s, paralleling the Korean War, was the increasing risk of nuclear war.

FORBES: What Happened To The American Declaration Of War?

Asteroid strikes and nuclear war are, from memory, two of the examples he uses.

FORBES: Nature on Uncertainty: Climate Change is Less Important Than We Thought