SMRTR Science & EngineeringSep 15, 2026Science Daily

Scientists stunned as volcano cloud starts destroying methane

SMRTR summary

The 2022 Hunga Tonga eruption unexpectedly destroyed methane, with scientists detecting record formaldehyde levels in the volcanic cloud, proving active methane breakdown. Volcanic ash, seawater, and sunlight created chlorine reactions that continuously broke down methane for over a week, raising hopes for new climate strategies.

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