Indeed, sea ice cover in the Arctic is melting faster than expected.

事实上，覆盖在北极的海中的冰正在以比预期更快的速度融化。

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King penguins are the second-largest type of penguin and only breed on specific isolated islands in the Southern Ocean where there is no ice cover and easy access to the sea.

帝企鹅是企鹅的第二大种类，它们只在南大洋的特定孤岛上繁殖，那里没有冰层覆盖，很容易进入大海。

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Thus, although the winter sea-ice cover might decrease, the surface waters would remain cold enough so that the decrease would not be excessive.

因此，虽然冬季海冰覆盖面积可能减少，但表层水将足够冰冷，因此海冰覆盖面积不会减少太多。

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One of the scientists says the past six years have shown the lowest Arctic sea ice cover ever measured.

VOA: special.2009.05.05

He says changes to the ice cover also affect Arctic wildlife and people who depend on the local environment.

VOA: special.2009.05.05

The amount of ice cover and its thickness are two measures of the health of the Arctic Sea.

VOA: special.2009.05.05

Climate change models of Arctic sea ice cover in September, the month when ice is usually at its minimum, suggest an average loss of 2.5 percent of ice cover per decade from 1953 to 2003.

CNN: Arctic melt worse than predictions

Since about 2002, the satellite data record has indicated that the downward trends in summer ice cover have accelerated, with the implication that a seasonally ice-free Arctic ocean may be realized sooner than projected by our most advanced climate models.

UNESCO: EDUCATION

Expanding glaciers and ice cover spreading across Greenland began driving the Norse settlers out.

FORBES: To The Horror Of Global Warming Alarmists, Global Cooling Is Here