A new scientific analysis published on February 24, 2026, warns that rainfall is increasing over the Antarctic Peninsula as temperatures rise due to climate change. Researchers project that under medium to high greenhouse gas emission scenarios, more precipitation will fall as rain instead of snow this century. This shift could accelerate glacier melt, destabilize ice shelves, disrupt ecosystems, and threaten research infrastructure and historic sites.

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• Antarctic Peninsula warming faster than global average
• More precipitation falling as rain, not snow
• Rain + heat accelerates glacier melt, iceberg calving
• Meltwater weakens floating ice shelves; collapse risk rises
• Sea ice loss increases; reduces natural wave barriers
• Penguin chicks vulnerable to heavy rain, habitat shifts likely
• Krill, algae ecosystems stressed by warming, rainfall
• Extreme weather events increasing, incl. atmospheric rivers
• Research bases, airstrips, historic huts at structural risk
• Limiting warming below 1.5°C could slow impacts