As the climate warms (up) the ice caps will melt.

随着气候变暖，冰盖将融化。

《牛津词典》

If this warming up took place, the ice caps in the poles would begin to melt, thus raising sea level several metres and severely flooding coastal cities.

如果这种变暖发生，两极的冰帽将开始融化，从而使海平面上升数米，并严重淹没沿海城市。

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Eventually, Agassiz and others convinced geologists and the general public that a great continental glaciation had extended the polar ice caps far into regions that now enjoy temperate climates.

最后，阿加西和其他人说服了地质学家和普通大众，一个巨大的大陆冰川作用已经把极地冰帽延伸到了现在享受温带气候的地区。

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Warmer temperatures cause water to expand,a phenomenon called thermal expansion, and cause glaciers and polar ice caps to melt.

VOA: standard.2009.11.09

These glaciers are the largest body of ice outside the polar caps.

VOA: standard.2010.01.23

First we were accused of causing melting polar ice caps, rising oceans and sweaty polar bears.

FORBES: He's Baaack!: A Hot New Media Blast From Al Gore

Until recently, it was thought that any melting going on in the ice caps was fairly gentle.

ECONOMIST: Climate change (II)

The fate of polar bears weighs on our collective conscience more than pandas because of melting ice caps.

NPR: Environmentalists Point Beyond Global Warming