We are very much honored and pleased to have the key note addresses by the following speakers:

Professor Annica Ekman, Stockholm University, Dept. of Meteorology, Stockholm, Sweden

Key note address: Regional aerosol emission changes: how do they affect the Arctic climate?

Honorary Professor Peter Builtjes, Free University Berlin, Institute of Meteorology, Berlin, Germany.

Key note address: Improvements of chemical transport modelling over the last 40 years - a personal journey.

Professor Guy Brasseur, Max Planck Institute for Meteorology, Environmental Modeling Group, Hamburg, Germany.

Key note address: A multi-scale perspective of air quality observation, analysis and forecast: from global to regional to local.

Dr. Silvia Trini Castelli, National Research Council, Institute of Atmospheric Sciences and Climate, Torino, Italy.

Key note address: The Lagrangian approach to dispersion modelling: why we like it (and what we did with it)