The committee has said that to reach this carbon emissions should be cut by 60% by 2030.

委员会说，要达到这一目标，碳排放量在2030年就要减少60%。

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In 2003, the UK became the first nation to announce - voluntarily - that it would reduce its carbon emissions, by 60% by 2050.

在2003年，英国成为第一个——自愿——宣布其将在2050年前减少60%碳排放量的国家。

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The rich nations, if they follow the UK's presumed lead, will cut their carbon pollution by 40%. The poorer nations will cut their carbon pollution by 60%.

如果遵从英国的擅自引导，富裕国家将把他们的碳污染量削减40%，贫穷国家将把他们的碳污染量削减60%。

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So, a hydrogen fuel-cell car even running ... on hydrogen derived from natural gas cuts that carbon emission by 60%.

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It wants to cut London's carbon emissions by 60% by 2025.

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