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illuminem summarises for you the essential news of the day. Read the full piece on Euronews or enjoy below:
🗞️ Driving the news: Scientists are warning that the Earth’s oceans may have crossed a critical tipping point following unprecedented marine heatwaves beginning in 2023
• These events affected up to 96% of ocean surface area and pushed sea surface temperatures to record highs globally
• New research suggests oceans may have shifted into a prolonged hotter state—what some experts are now calling the "new normal"
🔭 The context: Marine heatwaves have become more frequent and severe due to global warming, with El Niño events compounding the effects
• However, the scale of warming observed since 2023 cannot be explained by these factors alone
• The latest study attributes the anomaly to a combination of reduced cloud cover, weaker winds, and altered ocean currents, all of which increase heat accumulation
• Alarmingly, the observed changes deviate from projections made by existing climate models
🌍 Why it matters for the planet: Oceans are vital climate regulators, absorbing over 90% of excess heat from global warming
• A shift to a permanently warmer state threatens marine ecosystems, food security, and the ocean’s carbon storage capacity
• It may also intensify extreme weather patterns on land, from droughts and wildfires to tropical storms, as already seen with Storm Daniel in 2023
⏭️ What's next: The scientific community is calling for urgent investment in monitoring, modeling, and understanding ocean dynamics
• Policymakers must respond by bolstering marine climate observation networks and integrating ocean heat data into adaptation strategies
• If the warming trend persists into 2026 and beyond, current climate mitigation frameworks may need significant recalibration to reflect faster-than-expected oceanic change
💬 One quote: “It is critical that we also continue to measure, monitor and model what our future Earth is going to be like… we are walking into the unknown with dire consequences,” said Jaci Brown of Australia’s CSIRO.
📈 One stat: As of June 29, 2025, Mediterranean Sea surface temperatures reached 26.01°C, up to 4°C above the seasonal average, setting an all-time record for the month
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