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Ulas Im @ulasim77.bsky.social · 25/07/2026

Join us in our next @cleancloud-he.bsky.social seminar on health and climate impacts of aerosols and constraints on radiative forcing in climate models 👇

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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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Michael E. Mann @michaelemann.bsky.social · 06/07/2026

A reminder that the observed warming of the planet is consistent with what models have predicted given ongoing carbon emissions: www.pnas.org/doi/10.1073/...

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IPCC @ipcc.bsky.social · 06/07/2026

📣 IPCC opens registration for experts to review the First Order Draft of Working Group I contribution to Seventh Assessment Report. The review runs from 10 August until 2 October. Interested experts can register until 25 Sept 2026: bit.ly/4vi25cq Read more 🔗 bit.ly/WGI7Fod

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Copernicus ECMWF @copernicusecmwf.bsky.social · 23/06/2026

Ground-level ozone is one of summer’s air quality hazards. As a large part of Europe is going through a heatwave, this article explores how heat, solar radiation & precursor pollutants drive ozone pollution, #CopernicusAtmosphere track it across Europe. 🔗 atmosphere.copernicus.eu/ozone-pollut...

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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 · 24/02/2026

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

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CERTAINTY-ACI @certainty-aci.bsky.social · 23/02/2026

[EC–ESA Aerosol Cloud Cluster Activity] ⁉️Uncertainty in how air pollution interacts with clouds is the largest source of uncertainty in near-term climate projections 🔍New policy brief explains why reducing the uncertainty is essential for effective climate policy certainty-aci.eu/policy-brief...

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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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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 · 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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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 · 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 · 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 · 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 · 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 · 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 · 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 · 15/01/2025

What's inside the #clouds ☁️ and what answers do we find from the top of #MtHelmos 🏔️about the #climate and the world around us? Thanks to Nikitas Diamantopoulos for this great documentary about our CHOPIN campaign: mediaspace.epfl.ch/media/CleanC...

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CleanCloud Project @cleancloud-he.bsky.social · 16/01/2025

📣Make sure you don't miss the first glimpse of #aerosol and #cloud from the NASA #PACE (Plankton, Aerosol, Clouds, ocean Ecosystem) mission! Join our CleanCloud webinar with Dr. Otto Hasekamp 📆 Jan 29 🕐13:00 CET on Zoom: epfl.zoom.us/j/6156668523... Mark your calendar! 📌

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CleanCloud Project @cleancloud-he.bsky.social · 20/02/2025

What have we learned from central Arctic #aerosol research in the last 7 years? Join our next seminar with Prof. Julia Schmale 📆 Wednesday 26 Feb at 1pm (CET) on Zoom and find out! epfl.zoom.us/j/6156668523...

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CleanCloud Project @cleancloud-he.bsky.social · 07/03/2025

In our #chopin campaign at #mthelmos we sample particles from all over the world; pollution, dust, sea salt, forests and more to see the impact they have on #clouds.

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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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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 · 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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CleanCloud Project @cleancloud-he.bsky.social · 11/02/2025

Understanding the atmosphere is both scientifically challenging and relevant for society, says Ulrike Lohmann winner of @EGU Vilhelm Bjerknes Medal 2025 and part of our CleanCloud team 👏 #UNday #Women&GirlsInScience is a reminder that female participation in science should be strengthened.

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CleanCloud Project @cleancloud-he.bsky.social · 04/12/2024

Winter is here ☃️ Our work on #MtHelmos 🏔️ just entered its 3rd phase! Tranisitioning to winter the site is under snow ❄️ and all times inside clouds 🌨️. Follow the #CleanCloud CHOPIN campaign projects.au.dk/cleancloud/c...

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CleanCloud Project @cleancloud-he.bsky.social · 19/12/2024

Trace gases in the #atmosphere from the Mediterranean Sea, effects on #clouds from ship #emissions, the nature of #aerosol sources in the #Arctic and ice multiplication in clouds: What a year it has been🤩Check out our publications from 2024: projects.au.dk/cleancloud/p...

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CleanCloud Project @cleancloud-he.bsky.social · 18/12/2024

📣This session at #EGU25 will bring together researchers in the areas of high-latitude #meteorology, #atmospheric chemistry, #air quality, #biogeochemistry, boundary layer physics, #cloud microphysics, surface radiative processes, #oceanography, #seaice and #climate. Submissions welcome by Jan 15!

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CleanCloud Project @cleancloud-he.bsky.social · 17/12/2024

📣Contributions welcome to this exciting session at #EGU25! Anthropogenic and natural aerosols in regional climate change: From physical hazards to climate risk and impacts on nature and society. ⏱️Don't miss the deadline 15 Jan @ljwilcox.bsky.social meetingorganizer.copernicus.org/EGU25/sessio...

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CleanCloud Project @cleancloud-he.bsky.social · 11/12/2024

We are at a critical point in the #climatecrisis driven by #fossilfuels. Our project leader Athanasios Nenes is among the 250 experts at the @IPCC #AR7 scoping meeting now, an important step in shaping the contents of the next report assessing the #science related to #climatechange.

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CleanCloud Project @cleancloud-he.bsky.social · 12/11/2024

Our project investigates how #clouds even in the most remote places respond to changes in #pollution. See the spectacular images from our #Arctic campaign at Villum, Greenland: mediaspace.epfl.ch/media/CleanC...

mediaspace.epfl.ch

CleanCloud Villum Spring Campaign - EPFL - Ecole polytechnique fédérale de Lausanne

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