meltwater
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Radar Reveals Meltwater’s Year-Round Life Under Greenland Ice
An improved technique developed by a graduate student at Lamont-Doherty Earth Observatory and her colleagues is making it possible to use airborne ice-penetrating radar to reveal meltwater’s life under the ice throughout the year.
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Melting and Refreezing of Deep Greenland Ice Speeds Flow to Sea, Study Says
Findings May Shift Understanding of Ice Sheet Behavior

During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
