Black carbon is already having an impact on the ice atop the Himalayas, the massive glaciers that feed the major rivers of Asia when they melt each spring.

炭黑已经影响到喜玛拉雅山上的冰川。每当春天来到，这些冰川便融化成雪水，形成亚洲主要河流的水源。

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Spring, snow and ice melt.

春天，冰雪融化了。

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Spring wind, blowing snow and ice start to melt, the spring breeze blowing vast green land.

春风，吹开了消融的冰雪，春风，吹绿了苍茫的大地。

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This triggered an early spring melt, which made the ice vulnerable to the impact of high summer temperatures.

BBC: Record ice loss in Arctic