แผ่นน้ำแข็งที่บางลงกับภาวะโลกร้อน
![Frozen areas of the planet, like the Mendenhall Glacier in Alaska, are warming at twice the global average. (James Balog/Extreme Ice Survey)](https://gdb.voanews.com/5f9baceb-21d3-4d29-9212-6271479c23f6_w1024_q10_s.jpg)
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Frozen areas of the planet, like the Mendenhall Glacier in Alaska, are warming at twice the global average. (James Balog/Extreme Ice Survey)
![Black carbon or soot in the atmosphere accelerates ice melt on Columbia Glacier, Alaska, as documented by the Extreme Ice Survey time lapse cameras. (James Balog/Extreme Ice Survey)](https://gdb.voanews.com/69447a38-5920-4593-a90e-57e7c9cf526a_w1024_q10_s.jpg)
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Black carbon or soot in the atmosphere accelerates ice melt on Columbia Glacier, Alaska, as documented by the Extreme Ice Survey time lapse cameras. (James Balog/Extreme Ice Survey)
![Aerial view of melt water on Greenland Ice Sheet, which has experienced significant loss in recent years, and is likely to contribute significantly to sea level rise. (James Balog/Extreme Ice Survey)](https://gdb.voanews.com/9a9770a3-aef7-4a12-9812-6f19bbf0619d_w1024_q10_s.jpg)
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Aerial view of melt water on Greenland Ice Sheet, which has experienced significant loss in recent years, and is likely to contribute significantly to sea level rise. (James Balog/Extreme Ice Survey)
![On Greenland’s ice sheet, silt and soot blown from afar absorb solar heat and melt down into the ice. (James Balog/Extreme Ice Survey)](https://gdb.voanews.com/e6b80076-49d7-4f47-bf94-32ed63f34e01_w1024_q10_s.jpg)
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On Greenland’s ice sheet, silt and soot blown from afar absorb solar heat and melt down into the ice. (James Balog/Extreme Ice Survey)