2011-02-12 Mainly due to climate warming, the Arctic sea ice hit record low in January this year, the U. S. National Snow and ice Data Center (NSIDC) said.

2011年02月12日美国国家冰雪数据研究中心近日发布研究报告称，受气候变暖影响，今年1月的北极海冰面积缩减至历史同期最低水平。

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Yields have been going up around the world despite the warming climate—and over 29 years those increases swamp the estimated global reductions due to climate.

尽管气候变暖，但世界各地的农作物产量一直在增加——而且29年来的这种增产超过了估计的由于气候变化造成的全球减产。

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Plants and animals often respond to rising winter temperatures -- whether due to climate change or to increased urbanization, which also causes warming.

植物和动物通常会对冬天气温上升作出反应——但并不能分辨是气候变化带来的的温暖，还是由于城市化进程加快同样会导致的气候变暖。

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Unfortunately, due to climate change, Alaska is warming at a faster rate than the rest of the United States, and some of the consequences within the national parks are cause for concern.

BBC: Update on Alaska��s national parks

The reason for the change is likely to be the climate itself, but that does not mean that the recent reduction is due to global warming.

ECONOMIST: Climate change: What lies beneath | The

Yields have been going up around the world despite the warming climate and over 29 years those increases swamp the estimated global reductions due to climate.

ECONOMIST: Climate change and crops