北极熊现在很危险，因为北极冰雪融化使得它的数量在减少。
Polar bears are in danger, Numbers dwindling in the Arctic because of melting ice.
大家普遍认为全球变暖导致的北极冰雪融化是北极熊生存的最大威胁。
The loss of Arctic sea ice due to global warming is widely recognised as the greatest threat to the polar bears' survival.
北极冰的融化速度加快只是气温变化的一种后果；当地的天气状况，冰雪覆盖程度和洋流都影响着冰的消融。
The rate of melting in the Arctic isn't just a function of temperature change; local weather conditions, snow cover and ocean currents can also influence ice loss.
9/17 这一年，大量的科学论文阐述了北极冰层和格陵兰冰雪融化的速度比以往任何时候的快，创造了北极融化英尺数新高。
9/17The year saw a flood of scientific papers showing Arctic ice and the Greenland ice sheet is melting faster than ever, leading to a race for the new riches of the Arctic.
9/17 这一年，大量的科学论文阐述了北极冰层和格陵兰冰雪融化的速度比以往任何时候的快，创造了北极融化英尺数新高。
9/17The year saw a flood of scientific papers showing Arctic ice and the Greenland ice sheet is melting faster than ever, leading to a race for the new riches of the Arctic.
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