CEREGE

Calcifying Plankton: Tiny Marine Organisms at the Heart of the Earth's Climate - CEREGE Sonia Chaabane (CR, IRD) and Thibault De Garidel (DR, CNRS) have taken part in an international study highlighting the major role played by plankton.

A study published in Science highlights the crucial role of calcifying plankton in regulating our climate.

With contributions from CEREGE researchers @soniachaabane.bsky.social (@ird-fr.bsky.social)and Thibault de Garidel-Thoron (@cnrs.fr)

Learn more: www.cerege.fr/en/calcifyin...

Joanna Charton Awarded The AMU 2024 Thesis Prize - Campaign 2025 - CEREGE Joanna Charton, a former doctoral student in the Climate team, has won the AMU 2024 Dissertation Prize (ED251), which will be awarded in 2025. This prize

Congratulations to Joanna Charton, former PhD student at CEREGE and winner of the @univ-amu.fr 2024 Thesis Award (ED251)!

Learn more: www.cerege.fr/en/joanna-ch...

univ-amu-fr.zoom.us/j/9834607302...

GRAND SÉMINAIRE - Christine Vallet-Coulomb

Understanding the water cycle is more crucial than ever in a changing climate, especially in tropical Africa.
Stable isotopes provide unique insights into fluxes and exchanges across hydrosystems.

📍 Amphitheater Pasteur & Zoom

Intelligence(s) Au Village Des Sciences De L’Environnement De L’Arbois - CEREGE Le 9 octobre 2025, le CEREGE a ouvert ses portes pour le Village des Sciences de l’Arbois, dans le cadre de la Fête de la Science 2025, placée cette année

On October 9, CEREGE opened its doors for the #FêteDeLaScience2025: 500 students, 36 workshops, 2 talks intelligence(s) 🧠

A huge thank you to all teams and partners for their dedication!

Read more: www.cerege.fr/fr/intellige...

YouTube video by CEREGE Historical Perspective on 30 Years of Interdisciplinary Geoscience

Relive 30 years of CEREGE’s history!

We are excited to share a historical retrospective highlighting the milestones, achievements, and moments that have shaped CEREGE over the past three decades.

Watch the retrospective here by Edouard Bard: www.youtube.com/watch?v=W-n8...

You can now watch 9 of the 12 symposium lectures: youtube.com/playlist?lis...

The commemoration’s roundtable “Paroles de science(s)” is also available in two parts: podcast introduction and filmed discussion: www.youtube.com/playlist?lis...

In late August 2025, CEREGE celebrated its 30th anniversary with an interdisciplinary symposium followed by an official commemoration.

You can relive the scientific exchanges and discussions that made this anniversary memorable! 🎉

30 Years of CEREGE: Celebration, Science and Sharing - CEREGE At the end of August 2025, CEREGE celebrated its 30th anniversary with a week packed with scientific meetings, exchanges, exhibitions and festivities. These three days

In August 2025, CEREGE celebrated 30 years 🎉
Not just a milestone, but a reminder: research is a commitment — to society, knowledge, and the future.

More info : www.cerege.fr/en/30-years-...

🔬FOCUS | Anne-Lise Jourdan
Research engineer on the PANISS analytical platform

Specialising in isotope geochemistry, Anne-Lise develops cutting-edge analytical protocols for clumped isotopes, at the crossroads of fundamental research and transition issues.

Read more: www.cerege.fr/fr/accueil-c...

Inauguration of the CIRENE Hall - CEREGE On Friday 4 July 2025, CEREGE inaugurated the Halle CIRENE, a new 400 m² building dedicated to scientific experimentation and innovation.

Looking back at the inauguration of the CIRENE Hall!

On Friday, July 4, the CEREGE officially opened the CIRENE Hall, a brand-new 400 m² facility at the Technopôle de l'environnement de l'Arbois, dedicated to #EnvironmentalInnovation and #ScientificExperimentation.

www.cerege.fr/en/inaugurat...

· 18-month position – Project focused on developing new analytical tools to trace the water cycle, past and present, at the soil–plant–atmosphere and surface water–atmosphere interfaces: emploi.cnrs.fr/Offres/CDD/U...

· 12-month position – Part of the ANR PAST-17 project, focusing on past dynamics of continental atmospheric humidity and vegetation using triple oxygen isotope composition: emploi.cnrs.fr/Offres/CDD/U...

🔬 CEREGE is hiring two researchers in stable isotope geochemistry!
Are you passionate about geosciences, isotopic analysis, and environmental challenges?
Two fixed-term research positions (CDD) are open via @cnrs.fr
Feel free to share these opportunities within your networks!

NanoCLICS: A New Approach to Understanding Carbon Dynamics in Soils - CEREGE Isabelle Basile-Doelsch, Director of Research at INRAE and based at CEREGE, has been working for several years on the dynamics of carbon in soils, an area of particular concern for the environment.

🏅 Congratulations to Isabelle Basile-Doelsch, Research Director at INRAE/CEREGE, for winning an @erc.europa.eu Advanced Grant for her NanoCLICS project.

Learn more about her project: www.cerege.fr/en/nanoclick...

Mesoscale permeability variations estimated from natural airflows in the decorated Cosquer Cave (southeastern France) Abstract. The conservation of decorated caves is highly dependent on airflows in the karst network and through the surrounding host rock. Airflows are driven by the pressure gradient and influenced by...

Hugo Pellet (PhD @ CEREGE) has received the 2024 Jim Dooge Award for his article in HESS !
Co-authors from CEREGE: Bruno Arfib, Pierre Henry & Ghislain Gassier.

📄 Read here: hess.copernicus.org/articles/28/...

Two junior professor chair positions are currently open at CEREGE, with a third position coming soon ! 🔬🌍

To learn more and apply, please visit our careers page: www.cerege.fr/en/le-cerege...

#PaleoEnvironment #GlobalChanges #SocioEcosystems

🌍 Tenure Track Junior Professorship at CEREGE
Focus: Critical zone evolution & global change in Mediterranean & intertropical Africa

CEREGE is hiring a Junior Professor (tenure track) with a pathway to IRD Research Director.

More information here : en.ird.fr/tenure-track...

Tenure-Track Junior Professor Chairs | Site Web IRD Procedures and timetable for pre-selections and auditions for junior professorships.

New job alert! We just opened a tenure-track Junior professor Chair at @cerege.bsky.social focused on the study of the critical zone in the Mediterranean and intertropical Africa. More info on the IRD website here:
en.ird.fr/tenure-track...
Contact me if you are interested!

Second job alert! We just opened a tenure-track junior professor position at @cerege.bsky.social focusing on Pleistocene and Holocene paleoenvironments and population dynamics.
emploi.cnrs.fr/Offres/CPJ/C...
Contact me if you are interested!

ASTER: accelerating matter to better slow it down The Centre de Recherche et d'Enseignement en Géosciences de l'Environnement (CEREGE) on the Arbois campus is home to a national instrument: the Laboratoire National des Nucléides Cosmogéniques (LN2C) ...

Accelerating matter to better slow it down.
Here is a little paper in INFUSE talking about our Accelerator Mass Spectrometer in @cerege.bsky.social @univ-amu.fr @cnrs.fr @ird-fr.bsky.social
#science #cosmogenicnuclides #acceleratormassspectrometry

GRAND SÉMINAIRE - Philippe Barthélémy 🧬‬

Nucleic acids (DNA/RNA) are key to life — and to tomorrow’s therapies.
Philippe Barthélémy from @univbordeaux.bsky.social will explore their biomedical potential and revisit their prebiotic origins beyond the “RNA world” model.

📍 Amphithéâtre Pasteur & Zoom

Les Grands Séminaires - YouTube Held once a month on Thursdays, the Grands Séminaires are public lectures hosted by CEREGE (Centre for Environmental Geosciences Research and Teaching) in Ai...

CEREGE Grand Seminars now online!
Yesterday’s seminar by Hugues Goosse on Southern Ocean changes is already available on our new YouTube playlist : youtube.com/playlist?lis...

Cap Corse, The Mystery Of The Rings - CEREGE On 3 April, the amphitheatre of the Cosquer museum in Marseille hosted the preview of the documentary film "Cap Corse: le mystère des anneaux",

🌊 1,417 underwater rings, 3 years of research, and CEREGE scientists at the core.

Dive into the full story here: www.cerege.fr/en/cap-corse...
📅 Catch the documentary on ARTE @artefr.bsky.social – May 3 at 8:55 PM!

10,000 Years of Climate Told Through... Bat Guano! - CEREGE An original scientific and educational mission with the participation of Yannick Garcin, palaeoclimatologist at CEREGE.

10,000 years of climate history… told by bat guano! 🦇
Paleoclimatologist Yannick Garcin joined a scientific mission in Lastoursville, Gabon, to extract a 2-meter core of bat guano—an incredible climate archive spanning the Holocene.

Read more: www.cerege.fr/en/10000-yea...

Edouard Bard elected Member Of The German National Academy Of Sciences Leopoldina - CEREGE Edouard Bard, Professor of Climate and Ocean Evolution at the Collège de France and a member of CEREGE, was recently elected to the

Edouard Bard, professor at the @collegedefrance.bsky.social and CEREGE member, has been elected to the German National Academy of Sciences Leopoldina, one of the world’s oldest and most respected scientific institutions.

Read more: www.cerege.fr/en/edouard-b...

🌍 GRAND SÉMINAIRE - Hugues Goosse

Over the past decades, major changes have occurred in the Southern Ocean, including a drop in sea ice extent after 2016.
🔎 Hugues Goosse from @uclouvain.bsky.social will analyze this variability.

📍 Amphithéâtre Pasteur & Zoom

Amazing workshop last week in Arles, focused on how integrating geological and paleoclimatological constraints in phylogenetic and biogeographic reconstructions! 11 countries, 55 people, and 3 days of talks and brainstorming with a balanced group of biologists, geologists and climatologists.

🌱 Spring vibes at CEREGE!
On April 3, we hosted 100 students for Printemps des sciences.

🔍 16 workshops, 4 company visits, and a speed-meeting with our team.

Big thanks to all the curious minds who joined us — and to everyone at CEREGE who made science come alive for a day!

From literature to ice cores, Joanna’s inspiring journey in glacial science started at CEREGE. She now uncovers the evolution of past glaciers and their climate interactions at @lamontearth.bsky.social

Read more: www.cerege.fr/en/welcome-c...