In the 1980s, the prophets of doom found another theme: the imminent danger of nuclear winter, the potential end of life on Earth resulting from a Soviet-American nuclear war.
But in the wake of the devastating nuclear accident that is still unfolding in Japan, many Americans are now re-evaluating the potential costs and benefits of nuclear power.
但是，自从日本的毁灭性的核事故在世人目前上演以来，许多美国人开始重新评估核电的潜在成本和好处。
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The withdrawal of Nevada's Yucca Mountain as a potentialnuclear waste repository has reopened the debate over how and where to dispose of spent nuclear fuel and high-level nuclear waste.