Yona Silvy
@yonasilvy.bsky.social
Ocean and climate scientist | Currently exploring climate stabilization scenarios @unibe.ch @tipesm.bsky.social | Also Science Coordinator in the @ipcc.bsky.social WGI Technical Support Unit for AR7
Ce vendredi 14 novembre, je présenterai aux côtés de Robert Vautard le processus et les enjeux du 7ème cycle d'évaluation du GIEC pour le groupe de travail I, lors du webinaire mensuel @traccsformation.bsky.social.
➡️ De 11h à 12h, les infos ici : pepr-traccs.fr/ressources/w...
➡️ De 11h à 12h, les infos ici : pepr-traccs.fr/ressources/w...
Webinaires - PEPR TRACCS
Assistez aux derniers webinaires du PEPR TRACCS autour des services climatiques et de la modélisation du climat.
pepr-traccs.fr
November 11, 2025 at 9:16 AM
Ce vendredi 14 novembre, je présenterai aux côtés de Robert Vautard le processus et les enjeux du 7ème cycle d'évaluation du GIEC pour le groupe de travail I, lors du webinaire mensuel @traccsformation.bsky.social.
➡️ De 11h à 12h, les infos ici : pepr-traccs.fr/ressources/w...
➡️ De 11h à 12h, les infos ici : pepr-traccs.fr/ressources/w...
Reposted by Yona Silvy
With significant work remaining, #IPCC63 is working to identify a path to consensus on critical issues for #AR7. ENB is covering this closed session with photos and brief overviews of proceedings; our summary and analysis will be available Monday. enb.iisd.org/intergovernm...
63rd Session of the IPCC (IPCC-63)
The IPCC will consider an outline and workplan for production of the Methodology Report on Carbon Dioxide Removal Technologies and Carbon Capture Utilization and Storage, among other agenda items.
enb.iisd.org
October 30, 2025 at 2:27 PM
With significant work remaining, #IPCC63 is working to identify a path to consensus on critical issues for #AR7. ENB is covering this closed session with photos and brief overviews of proceedings; our summary and analysis will be available Monday. enb.iisd.org/intergovernm...
Reposted by Yona Silvy
Two years into its seventh assessment cycle, @ipcc.bsky.social has yet to reach agreement on a timeline for delivery of products that will make up its Assessment Report
With selection of lead authors complete, deciding on the timeline is critical
Read ➡️ enb.iisd.org/intergovernm...
#IPCC63
With selection of lead authors complete, deciding on the timeline is critical
Read ➡️ enb.iisd.org/intergovernm...
#IPCC63
October 28, 2025 at 1:26 AM
Two years into its seventh assessment cycle, @ipcc.bsky.social has yet to reach agreement on a timeline for delivery of products that will make up its Assessment Report
With selection of lead authors complete, deciding on the timeline is critical
Read ➡️ enb.iisd.org/intergovernm...
#IPCC63
With selection of lead authors complete, deciding on the timeline is critical
Read ➡️ enb.iisd.org/intergovernm...
#IPCC63
Reposted by Yona Silvy
📣 Attention: Early-career researchers from developing countries & countries in transition!
Are you interested in becoming a Chapter Scientist and supporting author teams for #IPCC’s Seventh Assessment Report?
Apply by 18 Oct 2025
🔗 www.ipcc.ch/2025/10/07/c...
Are you interested in becoming a Chapter Scientist and supporting author teams for #IPCC’s Seventh Assessment Report?
Apply by 18 Oct 2025
🔗 www.ipcc.ch/2025/10/07/c...
October 7, 2025 at 6:07 PM
📣 Attention: Early-career researchers from developing countries & countries in transition!
Are you interested in becoming a Chapter Scientist and supporting author teams for #IPCC’s Seventh Assessment Report?
Apply by 18 Oct 2025
🔗 www.ipcc.ch/2025/10/07/c...
Are you interested in becoming a Chapter Scientist and supporting author teams for #IPCC’s Seventh Assessment Report?
Apply by 18 Oct 2025
🔗 www.ipcc.ch/2025/10/07/c...
Reposted by Yona Silvy
Géo-ingénérie polaire : de quoi s'agit-il?
Quelle évaluation critique des concepts proposés?
www.youtube.com/watch?si=J7Y...
1/
Quelle évaluation critique des concepts proposés?
www.youtube.com/watch?si=J7Y...
1/
Polar geoengineering: risks and realities | Frontiers in Science
YouTube video by Frontiers
www.youtube.com
October 2, 2025 at 2:39 PM
Géo-ingénérie polaire : de quoi s'agit-il?
Quelle évaluation critique des concepts proposés?
www.youtube.com/watch?si=J7Y...
1/
Quelle évaluation critique des concepts proposés?
www.youtube.com/watch?si=J7Y...
1/
Reposted by Yona Silvy
🚂 A peine lancés et déjà supprimés ? Sauvons les trains de nuit Paris-Berlin et Paris-Vienne, un voyage bas-carbone largement plébiscité par ses utilisateurs
agir.greenvoice.fr/petitions/sa...
agir.greenvoice.fr/petitions/sa...
🚂 Sauvons les trains de nuit Paris-Berlin et Paris-Vienne
Signez la pétition maintenant !
agir.greenvoice.fr
October 2, 2025 at 10:19 AM
🚂 A peine lancés et déjà supprimés ? Sauvons les trains de nuit Paris-Berlin et Paris-Vienne, un voyage bas-carbone largement plébiscité par ses utilisateurs
agir.greenvoice.fr/petitions/sa...
agir.greenvoice.fr/petitions/sa...
Reposted by Yona Silvy
❓Have you registered for the #ClimateCoffee on Ocean Heat Content (OHC), which is a key indicator of climate change?
✅No worries if you haven't, Register here:
www.eventbrite.dk/e/...
@MAIAresilience
👥See you on 22 May 2025 | 10:00 - 10:45 CEST
✅No worries if you haven't, Register here:
www.eventbrite.dk/e/...
@MAIAresilience
👥See you on 22 May 2025 | 10:00 - 10:45 CEST
September 24, 2025 at 3:59 PM
❓Have you registered for the #ClimateCoffee on Ocean Heat Content (OHC), which is a key indicator of climate change?
✅No worries if you haven't, Register here:
www.eventbrite.dk/e/...
@MAIAresilience
👥See you on 22 May 2025 | 10:00 - 10:45 CEST
✅No worries if you haven't, Register here:
www.eventbrite.dk/e/...
@MAIAresilience
👥See you on 22 May 2025 | 10:00 - 10:45 CEST
Reposted by Yona Silvy
Registration for experts interested in serving as Expert Reviewers and providing scientific comments on the First Order Draft of the Special Report on Climate Change and Cities is now open!
Register here: apps.ipcc.ch/comments/src...
⚠️ Registration closes 30 Nov2025
🔗 www.ipcc.ch/2025/09/17/p...
Register here: apps.ipcc.ch/comments/src...
⚠️ Registration closes 30 Nov2025
🔗 www.ipcc.ch/2025/09/17/p...
September 19, 2025 at 3:05 PM
Registration for experts interested in serving as Expert Reviewers and providing scientific comments on the First Order Draft of the Special Report on Climate Change and Cities is now open!
Register here: apps.ipcc.ch/comments/src...
⚠️ Registration closes 30 Nov2025
🔗 www.ipcc.ch/2025/09/17/p...
Register here: apps.ipcc.ch/comments/src...
⚠️ Registration closes 30 Nov2025
🔗 www.ipcc.ch/2025/09/17/p...
Do you think climate science needs to be better communicated? We do too! That's why we are looking for a climate science communication specialist to join the Technical Support Unit of the IPCC Working Group I.
All details can be found here: www.ipcc.ch/2025/09/17/c...
Please share!
All details can be found here: www.ipcc.ch/2025/09/17/c...
Please share!
September 22, 2025 at 10:51 AM
Do you think climate science needs to be better communicated? We do too! That's why we are looking for a climate science communication specialist to join the Technical Support Unit of the IPCC Working Group I.
All details can be found here: www.ipcc.ch/2025/09/17/c...
Please share!
All details can be found here: www.ipcc.ch/2025/09/17/c...
Please share!
Reposted by Yona Silvy
🚨 📢 #LesActusIPSL
"Accélération des bouleversements en Antarctique : une convergence de signaux alarmants"
tinyurl.com/ye7eynjv
Jean-Baptiste Sallée
#LOCEAN_IPSL
@cnrs.fr I @sorbonne-universite.fr I @ird-fr.bsky.social I @mnhn.fr
"Accélération des bouleversements en Antarctique : une convergence de signaux alarmants"
tinyurl.com/ye7eynjv
Jean-Baptiste Sallée
#LOCEAN_IPSL
@cnrs.fr I @sorbonne-universite.fr I @ird-fr.bsky.social I @mnhn.fr
September 18, 2025 at 10:03 AM
🚨 📢 #LesActusIPSL
"Accélération des bouleversements en Antarctique : une convergence de signaux alarmants"
tinyurl.com/ye7eynjv
Jean-Baptiste Sallée
#LOCEAN_IPSL
@cnrs.fr I @sorbonne-universite.fr I @ird-fr.bsky.social I @mnhn.fr
"Accélération des bouleversements en Antarctique : une convergence de signaux alarmants"
tinyurl.com/ye7eynjv
Jean-Baptiste Sallée
#LOCEAN_IPSL
@cnrs.fr I @sorbonne-universite.fr I @ird-fr.bsky.social I @mnhn.fr
Reposted by Yona Silvy
Hot off the press: We can provide for the first time a systematic attribution of recent #heatwaves to the emissions of #carbon_majors. Essential new #Nature article coordinated by @yannquilcaille.bsky.social at @ethz.ch, with numerous contributors @usyseth.bsky.social:
www.nature.com/articles/s41...
www.nature.com/articles/s41...
www.nature.com
September 10, 2025 at 3:12 PM
Hot off the press: We can provide for the first time a systematic attribution of recent #heatwaves to the emissions of #carbon_majors. Essential new #Nature article coordinated by @yannquilcaille.bsky.social at @ethz.ch, with numerous contributors @usyseth.bsky.social:
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Reposted by Yona Silvy
If you want to get your simple climate model picked up by IPCC AR7, see below 👇
We have 11 on our radar from the previous round of RCMIP (egusphere.copernicus.org/preprints/20...), plus a few others we found since.
Anybody we don't know about please ping me or Alex
We have 11 on our radar from the previous round of RCMIP (egusphere.copernicus.org/preprints/20...), plus a few others we found since.
Anybody we don't know about please ping me or Alex
September 10, 2025 at 10:22 AM
If you want to get your simple climate model picked up by IPCC AR7, see below 👇
We have 11 on our radar from the previous round of RCMIP (egusphere.copernicus.org/preprints/20...), plus a few others we found since.
Anybody we don't know about please ping me or Alex
We have 11 on our radar from the previous round of RCMIP (egusphere.copernicus.org/preprints/20...), plus a few others we found since.
Anybody we don't know about please ping me or Alex
Reposted by Yona Silvy
New starter pack with @ipcc.bsky.social #AR7 scientists (bureau, authors, REs)! Full list: apps.ipcc.ch/report/autho...
For SR cities scientists see separate starter pack!
@dianaurge.bsky.social @sherilee.bsky.social @siir-kilkis.bsky.social @janfuglestvedt.bsky.social
go.bsky.app/2FuXb3Y
For SR cities scientists see separate starter pack!
@dianaurge.bsky.social @sherilee.bsky.social @siir-kilkis.bsky.social @janfuglestvedt.bsky.social
go.bsky.app/2FuXb3Y
September 6, 2025 at 2:37 PM
New starter pack with @ipcc.bsky.social #AR7 scientists (bureau, authors, REs)! Full list: apps.ipcc.ch/report/autho...
For SR cities scientists see separate starter pack!
@dianaurge.bsky.social @sherilee.bsky.social @siir-kilkis.bsky.social @janfuglestvedt.bsky.social
go.bsky.app/2FuXb3Y
For SR cities scientists see separate starter pack!
@dianaurge.bsky.social @sherilee.bsky.social @siir-kilkis.bsky.social @janfuglestvedt.bsky.social
go.bsky.app/2FuXb3Y
Have you been selected as an Author for the IPCC AR7 and are you planning to attend the Ocean Sciences Meeting 2026?
Please get in touch! I am convening an IPCC-focused Town Hall and will invite a panel of Authors to address the scientific challenges for AR7 and answer questions from the community
Please get in touch! I am convening an IPCC-focused Town Hall and will invite a panel of Authors to address the scientific challenges for AR7 and answer questions from the community
August 27, 2025 at 8:37 AM
Have you been selected as an Author for the IPCC AR7 and are you planning to attend the Ocean Sciences Meeting 2026?
Please get in touch! I am convening an IPCC-focused Town Hall and will invite a panel of Authors to address the scientific challenges for AR7 and answer questions from the community
Please get in touch! I am convening an IPCC-focused Town Hall and will invite a panel of Authors to address the scientific challenges for AR7 and answer questions from the community
The list of selected authors for the IPCC AR7 is now public 🌍 apps.ipcc.ch/report/autho...
It is an honour to have recently joined the Technical Support Unit of the IPCC Working Group I as Science Coordinator. Looking forward to authors coming onboard and the report to come to life!
It is an honour to have recently joined the Technical Support Unit of the IPCC Working Group I as Science Coordinator. Looking forward to authors coming onboard and the report to come to life!
IPCC Authors
apps.ipcc.ch
August 15, 2025 at 2:08 PM
The list of selected authors for the IPCC AR7 is now public 🌍 apps.ipcc.ch/report/autho...
It is an honour to have recently joined the Technical Support Unit of the IPCC Working Group I as Science Coordinator. Looking forward to authors coming onboard and the report to come to life!
It is an honour to have recently joined the Technical Support Unit of the IPCC Working Group I as Science Coordinator. Looking forward to authors coming onboard and the report to come to life!
Reposted by Yona Silvy
The Nazis burned books, attacked universities, and crippled German science.
The MAGAs delete websites, attack universities, and cripple American science.
The website www.globalchange.gov of the mandated Global Change Research Program & all the National Climate Assessment reports has been deleted.
The MAGAs delete websites, attack universities, and cripple American science.
The website www.globalchange.gov of the mandated Global Change Research Program & all the National Climate Assessment reports has been deleted.
July 1, 2025 at 1:14 AM
The Nazis burned books, attacked universities, and crippled German science.
The MAGAs delete websites, attack universities, and cripple American science.
The website www.globalchange.gov of the mandated Global Change Research Program & all the National Climate Assessment reports has been deleted.
The MAGAs delete websites, attack universities, and cripple American science.
The website www.globalchange.gov of the mandated Global Change Research Program & all the National Climate Assessment reports has been deleted.
Reposted by Yona Silvy
There’s so much happening right now, I thought I’d put together a running thread on the dismantling of #climate and research and knowledge infrastructure in the United States 🧵
May 7, 2025 at 12:11 PM
There’s so much happening right now, I thought I’d put together a running thread on the dismantling of #climate and research and knowledge infrastructure in the United States 🧵
Reposted by Yona Silvy
La période de maccarthysme s'ouvre donc officiellement par un article d'un journal national historique, qui dresse une liste d'intellectuels "woke".
L'état de déliquescence morale et politique de ce pays est effrayant...
www.lefigaro.fr/actualite-fr...
L'état de déliquescence morale et politique de ce pays est effrayant...
www.lefigaro.fr/actualite-fr...
De Aphatie à Plenel, en passant par Rousseau, l’abécédaire des woke français
De l’historien Patrick Boucheron à la députée Sandrine Rousseau, en passant par l’ex-footballeur Lilian Thuram ou encore le Prix Nobel de littérature Annie Ernaux, panorama des personnalités qui incar...
www.lefigaro.fr
May 2, 2025 at 5:00 PM
La période de maccarthysme s'ouvre donc officiellement par un article d'un journal national historique, qui dresse une liste d'intellectuels "woke".
L'état de déliquescence morale et politique de ce pays est effrayant...
www.lefigaro.fr/actualite-fr...
L'état de déliquescence morale et politique de ce pays est effrayant...
www.lefigaro.fr/actualite-fr...
#EGU25
🌊 Come have a chat now and before 4pm at X4.37, I have cookies!
🗣Additionally I now have a last-minute talk at 17:43 today in room 1.34 in the same session
🌊 Come have a chat now and before 4pm at X4.37, I have cookies!
🗣Additionally I now have a last-minute talk at 17:43 today in room 1.34 in the same session
May 1, 2025 at 11:52 AM
#EGU25
🌊 Come have a chat now and before 4pm at X4.37, I have cookies!
🗣Additionally I now have a last-minute talk at 17:43 today in room 1.34 in the same session
🌊 Come have a chat now and before 4pm at X4.37, I have cookies!
🗣Additionally I now have a last-minute talk at 17:43 today in room 1.34 in the same session
In the train to Vienna for #EGU25, first international conference since maternity leave! I will present:
1. AERA-MIP results on emission pathways and budgets compatible with 1.5 and 2C global warming —> Tuesday at 14:05 in CL4.13 (TCRE/ZEC session) meetingorganizer.copernicus.org/EGU25/EGU25-...
1. AERA-MIP results on emission pathways and budgets compatible with 1.5 and 2C global warming —> Tuesday at 14:05 in CL4.13 (TCRE/ZEC session) meetingorganizer.copernicus.org/EGU25/EGU25-...
April 27, 2025 at 5:37 PM
In the train to Vienna for #EGU25, first international conference since maternity leave! I will present:
1. AERA-MIP results on emission pathways and budgets compatible with 1.5 and 2C global warming —> Tuesday at 14:05 in CL4.13 (TCRE/ZEC session) meetingorganizer.copernicus.org/EGU25/EGU25-...
1. AERA-MIP results on emission pathways and budgets compatible with 1.5 and 2C global warming —> Tuesday at 14:05 in CL4.13 (TCRE/ZEC session) meetingorganizer.copernicus.org/EGU25/EGU25-...
Reposted by Yona Silvy
Atmospheric CO2 has passed 430 parts per million.
The last time atmospheric CO2 was at 430 ppm was during the ancient Pliocene Era, three to five million years ago, and humans didn’t exist.
The last time atmospheric CO2 was at 430 ppm was during the ancient Pliocene Era, three to five million years ago, and humans didn’t exist.
April 22, 2025 at 5:29 AM
Atmospheric CO2 has passed 430 parts per million.
The last time atmospheric CO2 was at 430 ppm was during the ancient Pliocene Era, three to five million years ago, and humans didn’t exist.
The last time atmospheric CO2 was at 430 ppm was during the ancient Pliocene Era, three to five million years ago, and humans didn’t exist.
Reposted by Yona Silvy
🚨 Climate experts wanted!
The new U.S. Academic Alliance for the #IPCC (@ipcc.bsky.social), hosted by #AGU, is accepting nominations for the Seventh Assessment Report.
📅 Deadline: April 4
🌍 Apply now: www.agu.org/ipcc-nominat...
Join a global effort to advance #climatescience & action!
The new U.S. Academic Alliance for the #IPCC (@ipcc.bsky.social), hosted by #AGU, is accepting nominations for the Seventh Assessment Report.
📅 Deadline: April 4
🌍 Apply now: www.agu.org/ipcc-nominat...
Join a global effort to advance #climatescience & action!
March 20, 2025 at 4:49 PM
🚨 Climate experts wanted!
The new U.S. Academic Alliance for the #IPCC (@ipcc.bsky.social), hosted by #AGU, is accepting nominations for the Seventh Assessment Report.
📅 Deadline: April 4
🌍 Apply now: www.agu.org/ipcc-nominat...
Join a global effort to advance #climatescience & action!
The new U.S. Academic Alliance for the #IPCC (@ipcc.bsky.social), hosted by #AGU, is accepting nominations for the Seventh Assessment Report.
📅 Deadline: April 4
🌍 Apply now: www.agu.org/ipcc-nominat...
Join a global effort to advance #climatescience & action!
Reposted by Yona Silvy
Bonjour,
Connaissez-vous le réseau de profileurs Argo?
C'est une clé de voûte de l'observation de l'océan.
www.argo-france.fr/Argo-France/...
1/...
Connaissez-vous le réseau de profileurs Argo?
C'est une clé de voûte de l'observation de l'océan.
www.argo-france.fr/Argo-France/...
1/...
March 13, 2025 at 11:55 AM
Bonjour,
Connaissez-vous le réseau de profileurs Argo?
C'est une clé de voûte de l'observation de l'océan.
www.argo-france.fr/Argo-France/...
1/...
Connaissez-vous le réseau de profileurs Argo?
C'est une clé de voûte de l'observation de l'océan.
www.argo-france.fr/Argo-France/...
1/...
Reposted by Yona Silvy
📢 Postdoc Opportunity: Ocean Tipping Points & Impacts!
We're hiring a postdoc in my group at the University of Bern, Switzerland, to study ocean tipping points and their impacts. The position is part of HEurope project TipESM (@tipesm.bsky.social). Feel free to reach out with any questions. 🌊
We're hiring a postdoc in my group at the University of Bern, Switzerland, to study ocean tipping points and their impacts. The position is part of HEurope project TipESM (@tipesm.bsky.social). Feel free to reach out with any questions. 🌊
March 9, 2025 at 10:53 AM
📢 Postdoc Opportunity: Ocean Tipping Points & Impacts!
We're hiring a postdoc in my group at the University of Bern, Switzerland, to study ocean tipping points and their impacts. The position is part of HEurope project TipESM (@tipesm.bsky.social). Feel free to reach out with any questions. 🌊
We're hiring a postdoc in my group at the University of Bern, Switzerland, to study ocean tipping points and their impacts. The position is part of HEurope project TipESM (@tipesm.bsky.social). Feel free to reach out with any questions. 🌊
Reposted by Yona Silvy
In solidarity with scientists and academics working in the United States, Argentina, and all countries where academic freedom is under threat.
Today, French scientists and citizens rally in more that 30 cities #StandUpForScience
@standupforscience.bsky.social
@cdelawalla.bsky.social
Today, French scientists and citizens rally in more that 30 cities #StandUpForScience
@standupforscience.bsky.social
@cdelawalla.bsky.social
March 7, 2025 at 7:51 AM
In solidarity with scientists and academics working in the United States, Argentina, and all countries where academic freedom is under threat.
Today, French scientists and citizens rally in more that 30 cities #StandUpForScience
@standupforscience.bsky.social
@cdelawalla.bsky.social
Today, French scientists and citizens rally in more that 30 cities #StandUpForScience
@standupforscience.bsky.social
@cdelawalla.bsky.social