A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

Evaluating stratospheric ozone and water vapour changes in CMIP6 models from 1850 to 2100. By J. Keeble et al. in Atmospheric Chemistry and Physics.

A Global Monitoring System Could Change the Future of Climatology. By S. Sidik in EOS.

Polar Stratospheric Clouds Satellite Observations, Processes, and Role in Ozone Depletion. By I. Tritscher et al. in the Reviews of Geophysics.

The impact of split and displacement sudden stratospheric warmings on the troposphere. By I.P. White et al. in the Journal of Geophysical Research: Atmospheres.

Persistent Stratospheric Warming due to 2019‐20 Australian Wildfire Smoke. By P. Yu et al. in the Geophysical Research Letters.

Discussion papers – open for comment:

The Brewer-Dobson circulation in CMIP6. By M. Abalos et al. in Atmospheric Chemistry and Physics.