随着冰盖的消融，“打开”一条可航行的西北航线看似已成定局，对海底资源的争夺也一触即发。
The melting ice cap looks almost certain to create a navigable Northwest Passage and unleash a scramble for undersea resources.
北极冰帽会消融，令北极熊无家可归，更令地球能量平衡急剧改变。因为在夏季时，可反射光和热的冰层被颜色更深的海面所代替。
Arctic sea icecap disappears, leaving polar bears homeless and changing the Earth's energy balance dramatically as reflective ice is replaced during summer months by darker sea surface.
这种地形意味着，升温的海水可日益侵蚀固定于基岩的冰块，一旦所有连接基岩的冰块被消融，冰原将四处游动。
That topography means that warm water could progressively melt spots where ice is stuck to the rock, allowing it to flow more freely.
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