He urged the United State to follow Australia's lead and ratify the Kyoto Protocol.

他同时敦促美国效仿澳大利亚，正式批准《京都议定书》。

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A speech by Barack Obama on September 22nd acknowledged that america-which failed to ratify the Kyoto protocol limiting emissions of greenhouse gases by rich countries-has some catching up to do.

奥巴马在9月22日的演讲中承认美国——作为发达国家没有签署京都意见书而限制温室气体的排放——需要做出一些弥补的措施。

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In December, he went to Bali to declare that Australia, at last, would ratify the Kyoto protocol on climate change.

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But the American position suffered a blow Monday when Australia's new Prime Minister Kevin Rudd signed papers to ratify the Kyoto Protocol climate pact.

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He acknowledged that America which failed to ratify the Kyoto protocol, encouraging industrialised countries to cut emissions of greenhouse gases has some catching up to do.

ECONOMIST: Climate change and the UN