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West Antarctica experienced major ice retreat 120,000 years ago

Dust trapped in Antarctic ice reveals a partial collapse of the ice sheet.

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The fact

These traces date back to the last interglacial period, over 120,000 years ago, under temperatures similar to today.

This discovery warns of Antarctica's current vulnerability to global warming.

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Why it matters

Cette découverte remet en question les modèles actuels de stabilité de la calotte glaciaire antarctique et souligne les risques d’élévation du niveau de la mer en cas de réchauffement prolongé.

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Auto-synthesis from 1 media source · identified on July 9, 2026
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