Mr Obama acknowledged that his nuclear-free vision may not be realised in his lifetime.

奥巴马承认他的无核梦可能在其一生中都无法实现。

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Thus it might prove more expedient to invest in this at least tried technology, which could extend the useful lifetime of nuclear power by hundreds of years.

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This would be well within the operating lifetime of any nuclear plants, even if we took the decision to start building them today.

ECONOMIST: Letters | The

Plenty of studies show we can run the economy on clean energy and shut down our coal, oil, nuclear and gas plants in the lifetime of the existing stock.

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