Harry Zekollari
@harryzeko.bsky.social
470 followers 91 following 16 posts
Glaciologist - Associate professor at @vubrussel.bsky.social Interested in glaciers, climate, hydrology, meteorites. Previously at ‪ETH Zurich, WSL Birmensdorf, TU Delft, and Université libre de Bruxelles.
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harryzeko.bsky.social
⛰️ In a new study in @science.org, we project that 39% of the global glacier mass is committed to be lost irrespective of future warming.

However, a lot can still be saved - see title:
“Glacier preservation doubled by limiting warming to 1.5°C versus 2.7°C”

www.science.org/doi/10.1126/...

[1/n]
Reposted by Harry Zekollari
landervt.bsky.social
IJsgrotten: de plek om gletsjers van binnenuit te bestuderen, maar ook een teken van een stervende gletsjer. ❄️

Tijdens veldwerk op de #Morteratsch en #Pers gletsjer ontdekten we meerdere ijsgrotten: natuurlijke tunnels gevormd door smeltwater dat het ijs van binnenuit uitholt.

📸👇
Reposted by Harry Zekollari
rodaguayo.bsky.social
Very happy to start my FWO-funded postdoctoral fellowship today, working with @harryzeko.bsky.social , Jordi Bolibar, and @marit-vantiel.bsky.social. Our project will explore how glaciers buffer streamflow droughts worldwide 🌊🌍 and how this role may change under what-if scenarios🔥🧊.
Reposted by Harry Zekollari
vaw-glaciology.bsky.social
[1/2] Sometimes pictures say more than 1,000 words.
This repeat photography of Birchgletscher (1927–2025) shows a century of change, ending in this year’s tragic collapse that destroyed Blatten and claimed one life.

📷 1927 vs 2025
Reposted by Harry Zekollari
wimthiery.bsky.social
Lopende projectoproep voor interuniversitair wetenschappelijke onderzoek in Vlaanderen wordt geannuleerd als gevolg van besparingen Vlaamse regering.
Reposted by Harry Zekollari
hydr-vub.bsky.social
Excited to be back on the #Morteratsch #glacier complex for our annual fieldwork. Together with colleagues from the Geography department, the coming week we will measure how the glacier is changing. Stay tuned for some updates!
@vubrussel.bsky.social #GLAMOS
harryzeko.bsky.social
Over the last decade, glaciers in the European Alps have lost more than 15% of their area.

New study by Codruț-Andrei Diaconu, introducing automated tool to map and quantify glacier area changes (+uncertainties)!

agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Together with @jlbamber.bsky.social
Reposted by Harry Zekollari
bobkopp.net
Update on this thread: Thanks to the feedback on this thread, I realized the methodological problems with the Voortman and De Vos (2025) paper (which the New York Post heralded as "Rising-sea hysteria debunked") went deeper than I originally realized, and clearly necessitate retraction. 1/
bobkopp.net
I had an engagement with blogger, failed California gubernatorial candidate, and self-identified reporter Michael Shellenberger this past week, which started out being about this new paper being heralded by climate skeptics as disproving global sea-level acceleration. (LONG 🧵)
Reposted by Harry Zekollari
Reposted by Harry Zekollari
carlschleussner.bsky.social
🎉 Thrilled to announce Episode 1 of the Overshoot Conference Podcast is now live! This marks the start of our 9-episode series exploring the challenges of climate overshoot ahead of the Overshoot Conference Sep 30-Oct 02. overshootconference.org/the-overshoo... (or wherever you get your podcasts) 1/
The Overshoot Conference Podcast | Overshoot
overshootconference.org
Reposted by Harry Zekollari
flimsin.bsky.social
Looking for a job in AI/ML? Interested in climate change? 1 year interdisciplinary research role at King's College London using ML to quantify uncertainties in future sea level rise: www.jobs.ac.uk/job/DOL498/p... Please share - thanks

#MachineLearning #Climate @kingscollegelondon.bsky.social
Postdoctoral Research Associate at King's College London
Explore an exciting academic career as a Postdoctoral Research Associate. Don't miss out on other academic jobs. Click to apply and explore more opportunities.
www.jobs.ac.uk
Reposted by Harry Zekollari
Reposted by Harry Zekollari
landervt.bsky.social
🚨 Update from #Kyrgyzstan. Our mass balance model shows record glacier mass loss this year (and the melt season isn’t over yet). Causes: little snow 🌨️, high temperatures 🌡️, hardly any summer snowfall ❄️. Our fieldwork confirmed: even at the summit of some glaciers (#Grigoriev), no snow remained.
Reposted by Harry Zekollari
paulbrussee.bsky.social
„Een paar jaar geleden zou ik nog van mijn stoel zijn gevallen bij het zien van deze resultaten. Maar inmiddels liggen deze cijfers helaas in de lijn der verwachtingen." @harryzeko.bsky.social

@gemmatetlow.bsky.social @nrcwetenschap.bsky.social #glaciologie
www.nrc.nl/nieuws/2025/...
Reposted by Harry Zekollari
iccinet.bsky.social
Tune in this morning for the opening of the June UN Climate Meetings #SB62 in Bonn 🇺🇳

The meetings drive forward progress on key issues and prepare decisions for adoption at COP30 in November.

UNFCCC Executive Secretary Simon Stiell will be giving an opening speech: youtube.com/live/N2co8huVN
Reposted by Harry Zekollari
cnn.com
CNN @cnn.com · Jun 2
The world’s glaciers are in dire health with almost 40% of their total mass already doomed, even if global temperatures stopped rising immediately, a new study has found: cnn.it/4kP9Cus
Tourists hike to visit the Nigardsbreen glacier in Jostedal, Norway, in August 2022. | Bram Janssen/AP/File photo
Reposted by Harry Zekollari
lilianschuster.bsky.social
🏔️🌍🌎🌏 New study warns: Even if we only temporarily exceed 1.5 °C, mountain glaciers face irreversible losses lasting centuries. Such an overshoot reduces glacier runoff, specifically in regions where some glaciers regrow.

Further interested? Check out our new publication: doi.org/10.1038/s415...
Irreversible glacier change and trough water for centuries after overshooting 1.5 °C - Nature Climate Change
How mountain glaciers will react to temporarily overshooting 1.5 °C of warming is poorly understood. Here the authors show irreversible global glacier loss for centuries after overshoot, implying long...
doi.org
Reposted by Harry Zekollari
ethz.ch
ETH Zurich @ethz.ch · May 30
If we limit global warming to +1.5°C, more than half of non-polar glaciers can be saved.

This is the finding of an international collaborative study that calculated the potential ice loss of more than 200,000 glaciers: ethz.ch/en/news-and-...
Reposted by Harry Zekollari
climatecentrebe.bsky.social
Almost 40% of glaciers are already doomed to melt, says a new Science study led by Belgian & European researchers. Limiting warming to 1.5°C could save half the ice. Every fraction of a degree counts: doi.org/10.1126/scie...
Reposted by Harry Zekollari
drmiriamjackson.bsky.social
The importance of just one degree on glacier preservation - by holding temperature increase to +1.5°C, more than twice as much glacier mass remains compared with an increase of 2.7°C. “Our findings stress the need for stringent mitigation policies to ensure the long-term preservation of glaciers”.
Reposted by Harry Zekollari
durhamglaciology.bsky.social
📣 A new study by Harry Zekollari and others estimates that glaciers around the world will lose ~40% of their mass relative to 2020 even if we managed to keep warming at present-day levels (1.2°C above preindustrial). This committed loss would add 113mm to sea level. www.science.org/doi/10.1126/...
Reposted by Harry Zekollari
vaw-glaciology.bsky.social
Every +0.1°C of global warming leads to ~2% more glacier ice loss. Sticking to the #ParisAgreement (+1.5°C) would preserve over half the ice compared to current policies (+2.7°C). This is the result of a new study based, led by Harry Zekollari, Lilian Schuster & several co-authors from our group.