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CleanCloud Project @cleancloud-he.bsky.social · 21/09/2026

Join us for talks on #aerosol-#cloud–#precipitation interactions using high-resolution modelling and ground- and satellite-observations by our early career scientists: Joe Carton-Kelly and Tom Gaudek 📆 Wednesday 30 September at 1pm (CET) on Zoom! epfl.zoom.us/j/6269954659...

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CleanCloud Project @cleancloud-he.bsky.social · 13/08/2026

How does aerosol-cloud physics buffer clouds against aerosol perturbations? Join us for a seminar by Dr. Po-Lun Ma, who will explore this question using Earth System Model. 📆 Wednesday 26 August at 1pm (CET) on Zoom! epfl.zoom.us/j/6269954659...

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CleanCloud Project @cleancloud-he.bsky.social · 28/07/2026

Don't miss it – tomorrow at 13:00 CET!

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CleanCloud Project @cleancloud-he.bsky.social · 22/07/2026

Join us for talks on #aerosol effects on #climate and #health by our Early Career Scientists: Dr. Carolina Molina and Dr. Yusuf Bhatti 🌍☁️ 📆 Wed 29 July at 1pm (CET) on Zoom! epfl.zoom.us/j/6269954659... #PIANO #PPE #observation #climate_modelling

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CleanCloud Project @cleancloud-he.bsky.social · 23/06/2026

📢 Don’t forget tomorrow’s seminar at 13:00 CET by Dr. Martin Radenz.

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CleanCloud Project @cleancloud-he.bsky.social · 16/06/2026

How do aerosols affect mixed-phase clouds? Join us for a seminar by Dr. Martin Radenz, who will share insights from long-term ground-based remote sensing observations. 📆 Wednesday 24 June at 1pm (CET) on Zoom! epfl.zoom.us/j/6269954659...

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CleanCloud Project @cleancloud-he.bsky.social · 29/04/2026

📢 Don’t forget today’s seminar at 13:00 CET by our Early Career Scientists!

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CleanCloud Project @cleancloud-he.bsky.social · 27/04/2026

Join us for talks on #aerosol - #convection interactions by our Early Career Scientists from CleanCloud Cluster 2: Andrina Caratsch (ETH Zurich) and Dr. Sadhitro De (University of Oxford) 🌍☁️ 📆 Wed 29 April at 1pm (CET) on Zoom! epfl.zoom.us/j/6269954659...

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CleanCloud Project @cleancloud-he.bsky.social · 24/03/2026

📢 Don’t forget today’s seminar at 13:00 CET by Prof. Guy Dagan

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CleanCloud Project @cleancloud-he.bsky.social · 18/03/2026

📢 Our next seminar is coming up! 🗓️Join us next Wednesday at 13:00 CET on zoom!

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CleanCloud Project @cleancloud-he.bsky.social · 11/03/2026

Join us for Prof. Guy Dagan’s talk on #aerosol effects on #convection and #radiation using #cloud-resolving simulations🌍☁️ 📆 Wednesday 25 Mar at 1pm (CET) on Zoom! epfl.zoom.us/j/6269954659...

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CleanCloud Project @cleancloud-he.bsky.social · 24/02/2026

📢 Don’t miss tomorrow’s seminar at 13:00 CET by our excellent early-career scientists!

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CleanCloud Project @cleancloud-he.bsky.social · 20/02/2026

📢 We’re kicking off 2026 with the first CleanCloud ACI Seminar of the year! Featuring our early career scientists from Cluster 3: Dr. Gabriella Wallentin (KIT) & Dr. Noé Clément (IPSL) 🗓️ Wednesday, Feb 25, 13:00 CET Join us: epfl.zoom.us/j/6269954659...

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Reposted by CleanCloud Project

CERTAINTY-ACI @certainty-aci.bsky.social · 04/12/2025

[Continuing collaboration with @cleancloud-he.bsky.social] ❄️ Efficient ice multiplication from freezing raindrop fragmentation 🖊️ Nils Pfeifer, Bernd Mom, Dmitri Moisseev, Susan Hartmann, Julian Meusel, Corinna Hoose & Maximilian Maahn 🔎 Read the publication: www.nature.com/articles/s43...

nature.com

Efficient ice multiplication from freezing raindrop fragmentation - Communications Earth & Environment

Drop fragmentation upon freezing is an efficient secondary ice process, contributing to cloud ice formation even at relatively high temperatures, according to quantitative analyses of ice crystals via...

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CleanCloud Project @cleancloud-he.bsky.social · 25/11/2025

📢 Don’t forget tomorrow’s seminar at 13:00 CET by our excellent early-career scientists!

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CleanCloud Project @cleancloud-he.bsky.social · 24/11/2025

Don’t miss two exciting talks from our ECS: Dr. Olga Zografou and Dr. Baseerat Romshoo. They will share new results on #aerosol-#clouds interactions from in-situ observations at (HAC)2 and ATTO. 🌍☁️ 📆 Wednesday 26 Nov at 1pm (CET) on Zoom! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 29/10/2025

📢 Don’t forget today’s seminar at 13:00 CET by Prof. Trude Storelvmo

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CleanCloud Project @cleancloud-he.bsky.social · 22/10/2025

📢 Our next seminar is coming up! 🗓️Join us next Wednesday at 13:00 CET on zoom

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CleanCloud Project @cleancloud-he.bsky.social · 16/10/2025

Don’t miss Prof. Trude Storelvmo’s talk on Arctic mixed-phase #clouds, connecting insights from small-scale processses to large-scale #climate impacts. 🌍☁️ 📆 Wednesday 29 Oct at 1pm (CET) on Zoom! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 23/09/2025

📢 Don’t forget tomorrow’s seminar at 13:00 CET by Dr. Bastiaan van Diedenhoven

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CleanCloud Project @cleancloud-he.bsky.social · 17/09/2025

Join Dr. Bastiaan van Diedenhoven to explore how advanced polarimetric cloud retrievals shed new light on #aerosol - #cloud interactions 🛰️🌍☁️ 📆 Wednesday 24 Sep at 1pm (CET) on Zoom! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 26/08/2025

📢 Don’t forget tomorrow’s seminar at 13:00 CET with Prof. Harri Kokkola.

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CleanCloud Project @cleancloud-he.bsky.social · 21/08/2025

📢 Our next seminar is coming up! 🗓️Join us next Wednesday at 13:00 CET on zoom!

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CleanCloud Project @cleancloud-he.bsky.social · 15/08/2025

Join Prof. Harri Kokkola to explore disentangling #aerosol–#cloud interactions from cloud variability. 🌍☁️ 📆 Wednesday 27 Aug at 1pm (CET) on Zoom! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 06/08/2025

Flying rivers offer a great introduction to science. 325 meters above the rainforest, Mira Pöhlker explains the formation of aerosols and clouds – and what it really means to have flying rivers, in the popular movie Checker Tobi and the journey to the flying rivers. Our www.imdb.com/title/tt2853...

imdb.com

Checker Tobi und die Reise zu den fliegenden Flüssen (2023) ⭐ 7.3 | Documentary, Adventure, Family

1h 33m

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CleanCloud Project @cleancloud-he.bsky.social · 29/07/2025

Don’t forget to join us tomorrow at 13:00 CET for the exciting seminar by Prof. Kerry Emanuel.

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CleanCloud Project @cleancloud-he.bsky.social · 23/07/2025

📢 Our next seminar is coming up! 🗓️Join us next Wednesday at 13:00 CET on zoom!

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CleanCloud Project @cleancloud-he.bsky.social · 16/07/2025

#Aerosols and #hurricane - what’s the link? Join Prof. Kerry Emanuel for insights into the Atlantic hurricane drought of the 1970s–80s. 📆 Wednesday 30 July at 1pm (CET) on Zoom! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 24/06/2025

Don’t forget to join us tomorrow at 13:00 CET for the exciting seminar by Dr. Alexei Kiselev. See you there!

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CleanCloud Project @cleancloud-he.bsky.social · 18/06/2025

📢 Our next seminar is coming up! 🗓️Join us next Wednesday at 13:00 CET on zoom!

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CleanCloud Project @cleancloud-he.bsky.social · 11/06/2025

Interested in #ice microphysics in #clouds? Join our next seminar with Dr. Alexei Kiselev 📆 Wednesday 25 June at 1pm (CET) on Zoom and find out! epfl.zoom.us/j/6156668523... #ice_multiplication

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CleanCloud Project @cleancloud-he.bsky.social · 06/06/2025

#MeetOurScientists: The observations Dr Kostas Eleftheriadis and the rest of the CleanCloud-team make from Mt Helmos, are important to monitor long term developments and to decide on effective measures to tackle the #climatecrisis

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Reposted by CleanCloud Project

The Weather & Climate Livestream @wclivestream.bsky.social · 30/05/2025

The Weather and Climate Livestream just passed the 50 HOUR mark! Thank you to all of our viewers, speakers, hosts, and organizers! We will be streaming live, on Youtube, until the official start of hurricane season this Sunday, June 1st. 50 more hours to go! wclivestream.com/watch/

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CleanCloud Project @cleancloud-he.bsky.social · 30/05/2025

#MeetOurScientists: With the help of a cloud sampler, Aiden Jönsson is able to investigate the particles inside the clouds. Important to better understand aerosols and their interactions with clouds - and how future climate and weather will impact our lives.

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CleanCloud Project @cleancloud-he.bsky.social · 27/05/2025

📢 Reminder: Don’t forget to join us tomorrow at 13:00 CET for the exciting talk by Prof. Annica Ekman.

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CleanCloud Project @cleancloud-he.bsky.social · 23/05/2025

#MeetOurScientists: How can CleanCloud and other Horizon Europe projects make a difference? Through new measurements, improved models and less uncertainty for future climate predictions. Meet Daniel Partridge of @universityofexeter.bsky.social @horizoneu.bsky.social

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CleanCloud Project @cleancloud-he.bsky.social · 21/05/2025

📢 Our next seminar is coming up! 🗓️Join us next Wednesday at 13:00 CET on zoom!

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CleanCloud Project @cleancloud-he.bsky.social · 16/05/2025

😆We are happy to admit that not everything goes as planned - always, all the time... Here comes a selection of our bloopers from the #chopin campaign on MtHelmos. Enjoy! mediaspace.epfl.ch/media/What+i...

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CleanCloud Project @cleancloud-he.bsky.social · 15/05/2025

🎉The spectacular “Fog chaser” by CleanCloud’s Lionel Favre, taken on top of Mt Helmos, is among the winners of both Nature’s 2025 #ScientistAtWork photo competition and @snsf.ch Scientific Image Competition. Big congratulations! www.snf.ch/en/8qDTRiwkq...

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CleanCloud Project @cleancloud-he.bsky.social · 14/05/2025

Interested in how #aerosols, #clouds and their interactions are represented in state-of-the-art #models? Join our next seminar with Prof. Annica Ekman 📆 Wednesday 28 May at 1pm (CET) on Zoom and find out! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 09/05/2025

Knowledge of aerosol-cloud interactions is key to project how climate will change in the future. Meet our scientists: This is Marianne Tronstad Lund @mtlund.bsky.social from CICERO, Norway.

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CleanCloud Project @cleancloud-he.bsky.social · 08/05/2025

Meet our scientists! CleanCloud is a great team of researchers from 20 institutions in 12 European countries. Learn more about our work, here is @philipstier.bsky.social

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CleanCloud Project @cleancloud-he.bsky.social · 02/05/2025

An exciting week! Big thanks to all CleanCloud participants for their hard work during @egu.eu2025! 25 presentations, 10 different sessions plus 2 videos at GeoCinema... We congratulate again prof Ulrike Lohmann with #VilhelmBjerknes Medal for her pioneering work in aerosol-cloud interactions 🏅

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CleanCloud Project @cleancloud-he.bsky.social · 28/04/2025

It's finally Monday and we hope to see you at @egu.eu this week! Here is the list of CleanCloud contributions: www.linkedin.com/posts/cleanc...

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CleanCloud Project @cleancloud-he.bsky.social · 22/04/2025

What a a team this is! In CleanCloud @ec.europa.eu we have accomplished things we did not even think possible, and we are well on track to contribute to improved climate models. Project leaders Athanasios Nenes and @ulasim77.bsky.social sum up the first year:

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CleanCloud Project @cleancloud-he.bsky.social · 02/04/2025

Great to meet the consortium on top of #MtHelmos and in #Patras for our annual meeting and sum up the amazing work that has been done this 1st year of CleanCloud! @ulasim77.bsky.social

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CleanCloud Project @cleancloud-he.bsky.social · 25/03/2025

📢 Reminder: Don’t forget to join us tomorrow at 13:00 CET for the exciting talk by Prof. Philip Stier. See you there!

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CleanCloud Project @cleancloud-he.bsky.social · 18/03/2025

Important climate questions relate to #clouds. In CleanCloud we investigate clouds even in the most remote places, like #Villum in #Greenland. The #Arctic is warming 4 times faster than the average and rapid ice melting has impact on clouds.

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CleanCloud Project @cleancloud-he.bsky.social · 14/03/2025

Interested in cloud-aerosol interactions in global km-scale climate models? Join our next seminar with Prof. Philip Stier @philipstier.bsky.social 📆 Wednesday 26 March at 1pm (CET) on Zoom and find out! epfl.zoom.us/j/6156668523...

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