ReCLEAN in-person meeting – 16 September 2025 ‒ ReCLEAN ‐ EPFL

On 16 September 2025, ReCLEAN members met at EPFL for the 4^thReCLEAN in-person meeting.

Dr. Ulas Im, Aarhus University and Prof. Athanasios Nenes, EPFL and Foundation for Research and Technology-Hellas, opened the meeting with a very well received seminar entitled ‘Clouds and climate transitioning to post-fossil aerosol regime – CleanCloud: Overview of field, chamber and modelling activities‘.

Seminar from Dr. Ulas Im & Prof. Athanasios Nenes

J. Zhang (EPFL) presenting the WP A activities

U. Krieger (ETH Zurich) presenting the WP A activities

F. Bao (PSI) presenting the WP A activities

J. Jiang (ETHZ) presenting the WP B activities

H. Vallicrosa (WSL/EPFL) presenting the WP A activities

L. Winkel (Eawag) presenting the WP C activities

Updates on each work package were presented by the respective postdocs/scientists working on it. This was followed by an open discussion on the synthesis work package and final outputs of the ReCLEAN Joint Initiative.

Finally, the LAPI journalist, Nikitas Diamantopoulos was also present to film the seminar, meeting and then the next day visited PSI and ETH Zurich for on-the spot interviews and capturing activities related to ReCLEAN.