For Warner, unchecked global warming could create a world that is inherently more dangerous for the U.S. Acting to mitigate climate change was another way of keeping America safe.

对华纳来说，失控的全球变暖问题肯定会导致出现一个对美国更加危险的世界。而采取行动缓和气候变化不失为保护美国的另一途径。

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Commodity prices are acting as regulators of global growth.

商品价格就像全球增长的监管者。

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So why are global stockmarkets, after a wobbly January, acting as if they had barely heard of the credit crunch?

那么为何，在经历了动荡的一月份之后，全球的股票市场看起来就跟没听说过信用紧缩一样呢？

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Getting back to 2013, the global markets have been acting well, as euro fears dissipated last week.

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Mark Byford, former director of World Service and Global News, is currently acting director general.

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That has caused some alarm because China was acting as the engine of global growth.

ECONOMIST: Buttonwood