Stratosphere

Discoveries Hunga Tonga’s record-breaking eruption removed 900 metric tons of methane per day

A record formaldehyde cloud revealed intense methane oxidation continuing for days inside Hunga Tonga’s stratospheric plume.

Space Ozone depletion actually began decades before holes in the ozone layer were first discovered Shy Cohen

Green Impact A violent volcanic eruption triggered a rare atmospheric cleanup Rebecca Shavit

Global Good An unexplored region of the atmosphere could help predict climate change