From the SPARC Co-Chairs

• News and Views by A. O’Neill and A.R. Ravishankara
• Polar Stratospheric Ozone Changes, SPARC, and the International Polar Year by A. O’Neill and A.R. Ravishankara

• Report on the SPARC 3rd GA by A.R. Ravishankara et al
• Report on the 12th SAPRC SSG Meeting by N. McFarlane et at

• Report on the 2nd Sower Meeting by F. Hasabe et al
• Report on the 2nd International Limb Workshop by Jörg Gumbel et al
• Report on the Quadrennial Symposium on Atmospheric Ozone by C. Zerefos
• Summary of the COSPAR 2004, A1.1 by J. Burrows

• The Lower Arctic Stratosphere Winter since 1952: an update by K. Labitzke et al
• In Memory of T.M. Donahue by A.R. Ravishankara

Announcements