这个多雨的夏季大概是公众对海冰逐渐消融明显缺乏关注的原因之一。
A rainy summer might be one reason for an apparent lack of public attention with respect to the ongoing sea-ice loss.
但是，由于气温不断上升，构成地球第二大淡水水库的冰川和冰层有逐渐消融的态势。
But rising temperatures have set off a worldwide thaw of many glaciers and ice sheets, which collectively act as the second largest reservoir of Earth's fresh water, Hood said.
气候的突然变化使原本逐渐消融的冰川再次凝结，同时北美洲哺乳动物中有35个科完全灭绝。
The change in climate caused retreating glaciers to advance once again, and coincided with the extinction of 35 families of North American mammals.
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