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Scientists Stunned as Volcano Cloud Destroys Methane in the Atmosphere

Summary by Science Daily
A colossal underwater volcano in the South Pacific may have revealed a surprising new weapon against climate change. After the 2022 eruption of Hunga Tonga–Hunga Ha’apai, scientists detected enormous amounts of formaldehyde in the atmosphere — a telltale sign that methane, one of the planet’s most powerful greenhouse gases, was being destroyed. Researchers now believe volcanic ash mixed with salty seawater and sunlight created reactive chlorine …

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The gigantic eruption of the underwater volcano Hunga Tonga-Hunga Ha’apai, which occurred in January 2022, produced an unexpected phenomenon in the atmosphere: part of the volcanic cloud began to destroy methane, one of the most powerful greenhouse gases on the planet. A study published in Nature Communications found that the volcanic feather generated chemical conditions capable of accelerating the oxidation of methane in the stratosphere. Rese…

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La Nación, Grupo Nación broke the news on Friday, May 8, 2026.
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