Amundsen Sea

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Clean Energy & Climate Transition 12 Nov 2026, 08:00 PM IST

Past Antarctic Ice Collapses Suggest Thwaites Could Drive Faster Sea-Level Rise

New research on West Antarctica’s geological past is sharpening the warning around the Thwaites Glacier, a fast-changing ice mass often described as the “doomsday glacier.” Scientists say seafloor sediments show the Amundsen Sea sector repeatedly lost ice during warmer interglacial periods, underscoring how vulnerable the region may be to future ocean-driven retreat. A separate model of Thwaites suggests sea-level rise from the glacier alone could be higher than earlier estimates by 2100 in a lower-emissions scenario, adding urgency to climate adaptation planning.

By RDU Global Wire5 min read

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West Antarctica(1)Thwaites Glacier(1)Nature(1)Gizmodo(1)