Modeling Stratosphere-Troposphere Coupling in a Changing Climate. By W.J. Randel and G. Chen in EOS.

Setting the Stage for Climate Action Under the Montreal Protocol. By S.O. Andersen, M. Gonzalez, and N.J. Sherman in EOS.

Chemical analysis of the Asian tropopause aerosol layer (ATAL) with emphasis on secondary aerosol particles using aircraft-based in situ aerosol mass spectrometry. By O. Appel et al. in Atmospheric Chemistry and Physics.

On the Ridging of the South Atlantic Anticyclone Over South Africa: The Impact of Rossby Wave Breaking and of Climate Change. By I. Ivanciu et al. in the Geophysical Research Letters.

---

Discussion papers – open for comment:

South Pole Station ozonesondes: variability and trends in the springtime Antarctic ozone hole 1986–2021. By B.J. Johnson et al. in Atmospheric Chemistry and Physics – Discussions.