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## Overview Scientists drilling beneath Greenland's ice sheet have found evidence that the Prudhoe Dome — a major high point of the ice sheet — completely melted approximately 7,000 years ago during a relatively mild natural warming period (ScienceDaily, April 2026). The finding suggests this region of the Greenland ice sheet is far more vulnerable to warming than previously understood, raising concerns about the trajectory under current human-driven climate change. ## Scientific Findings - Evidence from deep ice cores indicates **complete melting of the Prudhoe Dome** approximately 7,000 years ago (ScienceDaily, April 2026) - The warming period responsible was described as 'relatively mild' compared to projected anthropogenic warming scenarios - Researchers conclude the ice dome previously considered stable is 'far more fragile than once thought' - The implication is that today's warming could trigger 'similar or even faster ice loss' (ScienceDaily, April 2026) ## Sea Level Implications Complete or partial loss of the Greenland ice sheet has major sea level rise implications. Scientific consensus estimates full Greenland melt would raise global sea levels by approximately 7 meters, though the Prudhoe Dome represents a subset of total ice volume. Even partial contributions from this region would affect coastal infrastructure planning globally. ## Strategic Relevance **For attorneys and transactional practitioners:** - Climate disclosure obligations (SEC, ISSB, CSRD) increasingly require companies to assess physical climate risk — findings like this strengthen the scientific basis for mandatory Greenland/Arctic scenario modeling - Coastal real estate, infrastructure finance, and insurance underwriting will face continued repricing pressure as ice sheet vulnerability data accumulates **For entrepreneurs and investors:** - Strengthens the investment thesis for sea wall, managed retreat, and climate adaptation infrastructure - May accelerate regulatory timelines for carbon pricing and emissions reduction obligations ## Research Context This finding joins a body of paleoclimate research using ice cores and subglacial sediment to reconstruct past ice sheet behavior — a methodology that has increasingly challenged assumptions of Greenland ice sheet stability embedded in prior IPCC projections.