Lightnews — Scholar-powered news

OptimESM HE @optimesm-eu.bsky.social · 1d

The impact of a weakened AMOC on European heatwaves by Virna L Meccia, Claudia Simolo, Katinka Bellomo and Susanna Corti: doi.org/10.1088/1748... via @ioppublishing.bsky.social

The impact of a weakened AMOC on European heatwaves - IOPscience

The impact of a weakened AMOC on European heatwaves, Meccia, Virna L, Simolo, Claudia, Bellomo, Katinka, Corti, Susanna

doi.org

Reposted by OptimESM HE

RESCUE Climate @rescueclimate.bsky.social · 7d

🤝 Last week, RESCUE participated in a joint policy meeting hosted by @esm2025.bsky.social

This brought together policy officers and European projects with common themes & approches (OptimESM, TipESM, ClimTip, nextGEMS) to present their latest policy-relevant results and discuss the research impact.

2 5

OptimESM HE @optimesm-eu.bsky.social · 7d

In JGR Oceans (2025), Stephen Kelly, Ekaterina Popova, Andrew Yool, Fatma Jebri, Sophy Oliver and Meric Srokosz show that the North Atlantic Bloom 🌊 may face abrupt shifts this century🐟

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

Abrupt Changes in the Timing and Magnitude of the North Atlantic Bloom Over the 21st Century

Future stability of the North Atlantic bloom (NAB) examined using Earth system and high-resolution ocean model configurations The NAB collapses (halving of chlorophyll) across much of the North A...

agupubs.onlinelibrary.wiley.com

Reposted by OptimESM HE

EERIE Project @eerie-project.eu · 15d

🆕 A quick guide to an elusive concept!

💡 #Storylines can help #climate scientists better convey a message and help average people understand the challenges they may face in the future due to #ClimateChange.

▶️ What's a Storyline? (Three different approaches): youtu.be/E0SzovQjQOc

What's a Storyline? (Three different approaches)

YouTube video by EERIE Project

youtu.be

2 2

OptimESM HE @optimesm-eu.bsky.social · 16d

Matteo Mastropierro, Katsumasa Tanaka, Irina Melnikova & Philippe Ciais is Testing GWP* to quantify non-CO2 contributions in the carbon budget framework in overshoot scenarios in npj Climate and Atmospheric Science (2025)🌡️

#ClimateScience #HorizonEurope #OptimESM

www.nature.com/articles/s41...

Testing GWP* to quantify non-CO2 contributions in the carbon budget framework in overshoot scenarios - npj Climate and Atmospheric Science

npj Climate and Atmospheric Science - Testing GWP* to quantify non-CO2 contributions in the carbon budget framework in overshoot scenarios

www.nature.com

1

Reposted by OptimESM HE

ESM2025 @esm2025.bsky.social · 19d

🚨 CNRM is hiring a Chapter Scientist for IPCC AR7 WGI Chapter 9 at CNRM (@meteofrance.com/CNRS), Toulouse!
A unique opportunity for early-career researchers to contribute directly to the @ipcc.bsky.social process.

📑 12 months (extendable +2 years)
⏰ Apply by 16 Oct 2025

Details 👉 bit.ly/4moPFeb

Chapter Scientist for the Chapter 9 of IPCC WGI AR7 F/M - Météo France | Nos offres d'emploi

Expert public de la météo et du climat, Météo-France est à vos côtés pour contribuer à votre sécurité au quotidien et vous aider à prendre les meilleures décisions, dans un climat qui change. Face à des épisodes météo dangereux encore plus intenses et plus fréquents sous l’effet du changement climatique, nos missions au service de votre sécurité sont cruciales. Nous mobilisons notre expertise, notre excellence scientifique et technologique pour vous permettre d’anticiper les phénomènes météorologiques et climatiques à enjeux, et de vous y adapter.

meteofrance.flatchr.io

1

OptimESM HE @optimesm-eu.bsky.social · 23d

Weiwei Xiong, Katsumasa Tanaka, Philippe Ciais, Daniel J. A. Johansson and Mariliis Lehtveer present emIAM v1.0 in Geoscientific Model Development (2025) 🖥️ — an emulator for Integrated Assessment Models.

🔗 gmd.copernicus.org/articles/18/...

#IAM #EarthSystemModels #HorizonEurope #OptimESM

emIAM v1.0: an emulator for integrated assessment models using marginal abatement cost curves

Abstract. We developed an emulator for integrated assessment models (emIAM) based on a marginal abatement cost (MAC) curve approach. Drawing on the output of IAMs in the Exploring National and Global ...

gmd.copernicus.org

OptimESM HE @optimesm-eu.bsky.social · Sep 8

Read another one of the articles published by researchers in OptimESM in 2025: "Monitoring the Multiple Stages of Climate Tipping Systems from Space: Do the GCOS Essential Climate Variables Meet the Needs?"

link.springer.com/article/10.1...

Monitoring the Multiple Stages of Climate Tipping Systems from Space: Do the GCOS Essential Climate Variables Meet the Needs? - Surveys in Geophysics

Many components of the Earth system feature self-reinforcing feedback processes that can potentially scale up a small initial change to a fundamental state change of the underlying system in a sometim...

link.springer.com

1 1

OptimESM HE @optimesm-eu.bsky.social · Sep 1

Read one of the articles published by researchers in OptimESM in 2025: Irina Melnikova, Philippe Ciais, Katsumasa Tanaka, Hideo Shiogama, Kaoru Tachiiri, Tokuta Yokohata, and Olivier Boucher investigate CO₂ vs. non-CO₂ overshoot pathways🌍.

🔗 esd.copernicus.org/articles/16/...

Carbon cycle and climate feedbacks under CO2 and non-CO2 overshoot pathways

Abstract. Reducing emissions of non-carbon dioxide (CO2) greenhouse gases (GHGs), such as methane (CH4) and nitrous oxide (N2O), complements CO2 mitigation in limiting global warming. However, estimat...

esd.copernicus.org

1

Reposted by OptimESM HE

ClimTip | Climate Tipping Points in the Earth System @climtip.bsky.social · Aug 19

🌊 The Atlantic “conveyor belt” (AMOC) is weakening under climate change. A new @nature.com study suggests collapse is unlikely this century, but the risks remain very serious.

Hear from lead author @jonbakerocean.bsky.social in our next webinar.

📅 2 Sep 2025, 2–3PM CEST
🔗 bit.ly/climtip-webi...

1 7 12

Reposted by OptimESM HE

MAIA Resilience EU @maiaresilience.bsky.social · Aug 7

🌍 SAVE THE DATE FOR MAIA’S FINAL EVENT!

Join us to explore MAIA’s legacy, including the latest updates on our tools, services, policy insights—and how to use them.

Register now 👉https://shorturl.at/kKYfi

➕info https://shorturl.at/KvcYC

@sei.org @offcourse-studio.bsky.social

2 2

OptimESM HE @optimesm-eu.bsky.social · Jul 14

🌿 The list of resources and publications for OptimESM has been updated. Check it out here: optimesm-he.eu/resources/ 📚🔗

Resources and Publications – OptimESM

optimesm-he.eu

OptimESM HE @optimesm-eu.bsky.social · May 22

🌟 Wrapping Up the OptimESM General Assembly! 🌟
The OptimESM General Assembly has ended, and it’s been a productive few days!
Thank you to all participants for their contributions and dedication at the GA and in the project!
#OptimESM #ClimateScience #ESMs #GeneralAssembly

1

OptimESM HE @optimesm-eu.bsky.social · May 22

💡 Last day of the OptimESM General Assembly! 💡

We’ve had a productive few days of collaboration!

#OptimESM #ClimateScience #EarthSystemModels #GeneralAssembly

1

OptimESM HE @optimesm-eu.bsky.social · May 21

🌍Kicking off Day 2 of the OptimESM General Assembly!
Today we're diving into insightful presentations from our invited projects: @eerie-project.eu, @tipesm.bsky.social, @rescueclimate.bsky.social, @esm2025.bsky.social and Past to Future🌍

1 3

OptimESM HE @optimesm-eu.bsky.social · May 20

🚀 Day 1 of the OptimESM General Assembly is underway! 🚀

We’ve officially kicked off the OptimESM General Assembly that take place in Postdam and online. Looking forward to a productive few days of collaboration and idea-sharing!

#OptimESM #ClimateScience #EarthSystemModels #ClimateChange

OptimESM HE @optimesm-eu.bsky.social · May 15

The #OptimESM General Assembly is next week! The project focuses on developing next-gen Earth System Models with higher resolution and realism to deliver long-term climate projections that inform policy and regional climate change under different global warming scenarios.

🔗 optimesm-he.eu

OptimESM HE @optimesm-eu.bsky.social · Apr 23

🌍 From May 5–9, @PIK_Climate is hosting a cross-sectoral workshop with @OptimESM + #ISIMIP.

🔗Onsite is full—but you can still join remotely. Register now!

eveeno.com/optimesm_isi...

Cross-sectoral OptimESM and ISIMIP Workshop

eveeno.com

Reposted by OptimESM HE

ESM2025 @esm2025.bsky.social · Apr 14

🎉...& another one joining the #ClimateResearchNet!
Let’s give a warm welcome this time to @certainty-aci.bsky.social! 🌍

This project is now part of our Bluesky space🔗 go.bsky.app/LQkEWKx, connecting climate research initiatives to strengthen EU #ClimateResearch comm. & engage with the community.💡🌱

3 2

OptimESM HE @optimesm-eu.bsky.social · Apr 14

Registration closes tomorrow!

OptimESM HE @optimesm-eu.bsky.social · Apr 7

➡️ Don't forget to register for the OptimESM General Assembly 2025! The GA will take place on 20 – 22 May in Potsdam, Germany.

optimesm-he.eu/2025/03/28/r...

Registration is now open for the OptimESM General Assembly! – OptimESM

optimesm-he.eu

OptimESM HE @optimesm-eu.bsky.social · Apr 7

➡️ Don't forget to register for the OptimESM General Assembly 2025! The GA will take place on 20 – 22 May in Potsdam, Germany.

optimesm-he.eu/2025/03/28/r...

Registration is now open for the OptimESM General Assembly! – OptimESM

optimesm-he.eu

Reposted by OptimESM HE

ESM2025 @esm2025.bsky.social · Apr 2

✨It was a pleasure to reconnect with so many inspiring colleagues at the 5th meeting of the #ClimateResearchNet today!

We explored collaboration opportunities, shared experiences, & brainstormed creative ways to strengthen climate research communication. 🌍🌱

More about it👇🧵or bit.ly/climaterese...

1 3 8

Reposted by OptimESM HE

MAIA Resilience EU @maiaresilience.bsky.social · Mar 25

Calling all Earth systems modellers! 🌎💡Join the nextGEMS project at the WCRP Global KM Scale Hackathon 2025 (May 12-16).

Enhance storm-resolving models ⛈️
Collaborate globally 🤝
Share best practices 💡
Improve data sharing 📊

Learn more 👉 https://tinyurl.com/mrxnyd4j

#WCRPHackathon

1

Reposted by OptimESM HE

Horizon Europe @horizoneu.bsky.social · Mar 21

Join us for an info session on the new
@HorizonBooster!

🗓️1 April 2025 at 11:00 CEST (online)
💡Learn about the latest support services to boost the impact of your #research results!

Register here: europa.eu/!rYV4rb

2 1

Reposted by OptimESM HE

ESM2025 @esm2025.bsky.social · Mar 5

📢The first 2 years of our project, we brought researchers & local decision-makers together in 2 World Café workshops to discuss climate science & policymaking. Now, we’re revisiting those conversations with a short summary — a chance to reflect on what was shared.

🗣️ Read it here: bit.ly/ESM2025WCS

World Café Workshops for Stakeholder Engagement - ESM2025

Sience-policy World Café Workshops Policy Briefings & reports World Café Workshops Climate Research Communication Network How are we connecting to national and local stakeholders? World Café Summaries World Café 1 […]

www.esm2025.eu

1 3 3