Scientists just got some ancient clues about future sea-level rise — and it’s bad news

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illuminem summarises for you the essential news of the day. Read the full piece on The Washington Post or enjoy below:

🗞️ Driving the news: A groundbreaking 2023 expedition beneath Greenland’s ice sheet has provided scientists with disturbing new evidence
• The findings reveal parts of Greenland, including Prudhoe Dome, completely melted within the past 10,000 years, under climate conditions not much warmer than today
• This raises concerns about the ice sheet's stability as global temperatures continue to rise, threatening significant sea-level rise

🔭 The context: Greenland’s ice sheet contains enough water to raise global sea levels by over 24 feet if it fully melts
• Recent studies indicate that the Arctic is warming at an alarming rate, accelerating ice loss in Greenland and raising concerns about the impacts of climate change on coastal areas worldwide
• Historical data from previous ice sheet melt events could inform predictions for the future

🌍 Why it matters for the planet: The findings highlight the vulnerability of Greenland's ice sheet to modern-day warming, driven by anthropogenic climate change
• If the ice sheet melts, it could contribute to sea-level rise of up to 2.4 feet, exacerbating flooding in coastal areas and impacting millions of people globally
• This reinforces the urgency of addressing climate change to mitigate its long-term effects

⏭️ What’s next: Scientists will continue refining models of ice sheet behavior to better predict how the Greenland ice sheet might respond to current and future warming
• This research could lead to more accurate projections of sea-level rise, helping policymakers and communities plan for the future

💬 One quote: “It’s giving us a sense of X climate change equals X ice volume change,” said Jason Briner, co-author of the study

📈 One stat: The Arctic has warmed by 3°C in the past 50 years, driving significant changes in the Greenland ice sheet

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