Volcanic plume unexpectedly destroyed methane after 2022 eruption

11 Mwezi wa tano, 2026

Imeripotiwa na AI

Scientists have found that the 2022 eruption of an underwater volcano in the South Pacific triggered a chemical process that removed significant amounts of methane from the atmosphere. The discovery, detailed in a new study, shows how volcanic ash and seawater combined to break down the potent greenhouse gas.

In January 2022 the Hunga Tonga-Hunga Ha'apai volcano produced a powerful eruption that sent ash and seawater high into the stratosphere. Satellite data later revealed unusually high concentrations of formaldehyde within the plume, a clear sign that methane was being destroyed over several days. Researchers tracked the cloud for ten days as it moved toward South America. Dr. Maarten van Herpen of Acacia Impact Innovation BV noted that the continuous presence of formaldehyde indicated ongoing methane breakdown for more than a week.

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Scientists uncover ocean methane source tied to phosphate scarcity

16 Mwezi wa nne, 2026 Imeripotiwa na AI

Researchers at the University of Rochester have identified a key mechanism for methane production in the open ocean, driven by phosphate scarcity. The discovery, published in Proceedings of the National Academy of Sciences, suggests warming oceans could boost these emissions, creating a potential climate feedback loop. This resolves a long-standing puzzle about methane in oxygen-rich surface waters.

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Meteor impacts may have sparked life on early Earth

4 Mwezi wa nne, 2026 Imeripotiwa na AI

Scientists suggest that asteroid impacts created hot, chemical-rich environments that could have kick-started life on Earth. A new review led by recent Rutgers graduate Shea Cinquemani highlights impact-generated hydrothermal systems as potential cradles for life's building blocks. These systems may have persisted for thousands of years, providing ideal conditions for early biology.

Jumatatu, 22. Mwezi wa sita 2026, 06:17:59