Paul Griffiths

Atmospheric H2 variability over the past 1,100 years - Nature Analysis of the atmospheric H2 variability over the past millennium suggests that the sensitivity of H2 to climate change should be considered in estimates of the radiative consequences of rising...

👏 Heroic effort to extract a H₂ record from ice cores 👏

The samples had to measured in the field immediately after drilling (i.e. fresh out the oven 🥮) to prevent the tiny H₂ molecules from leaking out.

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

A nice write up from the Meta blog - www.meta.com/apac/innovat... - on Dr Matsuoka's work using a fine-tuned Llama

an edited image showing three variants of the rack mounted HPC machines used for the JAMSTEC Earth Simulator.

Having a great day at JAMSTEC, visiting the Earth Surface System division. Their lobby has former versions of the Earth Simulator computer (currently at version 4) and, nerd that I am, here is a photo. JAMSTEC also lead work on LLM for climate adaption planning - essopenarchive.org/users/555101...

Fascinating new paper in PNAS on tropical cyclones from researchers in 🇹🇼 based on "a typhoon series for 1368–1911 reconstructed from Chinese historical documents digitized in the REACHES database". The use of records in archival texts is new to me and, again, 🤯. www.pnas.org/doi/10.1073/...

Harnessing Machine Learning to Advance Tropospheric Ozone Science Machine learning (ML) and Artificial Intelligence (AI) offer powerful tools to address long-standing scientific challenges. At the molecular scale, we’ve seen projects like AlphaFold discover unknown ...

Read the new blog post by @paultgriffiths.github.io and @soa-mazing.bsky.social on using machine learning in tropospheric ozone science. #egublog #machinelearning #atmosphericscience

38% profit! 🤯

Major AI conference flooded with peer reviews written fully by AI Controversy has erupted after 21% of manuscript reviews for an international AI conference were found to be generated by artificial intelligence.

Bit late with this one, and paywalled. Fascinating to see AI tool concluding >20% of peer-reviews for ICLR are wholly AI-generated. Wait to see if there was a strong difference between the conclusions of the reviews, although it does flag some egregiously bad cases. www.nature.com/articles/d41...

Super pollutants are trendy, but we should be careful how we use them Substituting short lived climate pollutants like methane for CO2 as carbon offsets risks breaking the math of net zero

Super pollutants are trendy, but we should be careful how we use them • Substituting short lived climate pollutants like methane for CO2 as carbon offsets risks breaking the math of net zero

A Sankey type diagram showing connections between the Challenges, Future Directions and Tangible Next Steps in ML/AI research in for tropospheric ozone.

🚨🧪The ML4O3 Perspective on 'Applications of Machine Learning and Artificial Intelligence in Tropospheric Ozone Research' is published (as a Highlight) today in @egu-as.bsky.social GMD. Great team effort from our many co-authors. doi.org/10.5194/gmd-...

人工衛星「いぶきＧＷ」の温室効果ガス観測データを無償提供へ…ＣＯＰ３０で環境省など発表 【読売新聞】　【ベレン＝鬼頭朋子】環境省と国立環境研究所（国環研）は１７日、ブラジルで開催中の国連気候変動枠組み条約第３０回締約国会議（ＣＯＰ３０）で、日本の人工衛星「いぶきＧＷ」が捉えた温室効果ガスの観測データを企業などへ無償提供

🛰🧪GOSAT-GW (aka Ibuki GW) in the news! Nice story from the Yomiuri Shinbun on the plans for data. Director the Earth System Division at Japan National Institute for Environmental Science, and all-round good guy, Hiroshi Tanimoto presents at COP30. www.yomiuri.co.jp/science/2025...

From estate boy to first M’sian atmospheric scientist from Cambridge Starting his school life in an estate in Sungai Siput, Jayaprakash Murulitharan earned his doctorate from the university last month.

Congratulations to my former colleague, Jayaprakash Murulitharan, on the award of his PhD. Free Malaysia Today wrote a nice story on his journey. www.freemalaysiatoday.com/category/lei...

The Travelling Scientist Problem: Lessons from a Life in Motion For life scientists today, there are many possible career paths. While some prefer to stay at one institution, others pursue more globally diverse journeys. In this guest blog, Professor Stuart Maudsl...

My good friend Prof Stuart Maudsley interviewed in @hellobio.bsky.social on the intersection of work and travel (for work). hellobio.com/blog/the-tra...

Origin of the 1458/59 CE volcanic eruption revealed through analysis of glass shards in the firn core from Antarctic Vostok station - Communications Earth & Environment The 1458/59 CE cryptotephra in the Antarctic Vostok Station firn core shows a bimodal distribution of dacite and rhyolite, sourced from the Kuwae and potentially an unrecorded southern high-latitude e...

Glass fragments in firn cores. Fascinating read and also 🤯 "Analysis of glass shards in the firn core from Antarctic Vostok station" by Ro et al., doi.org/10.1038/s432...

NEW EPISODE! @tungohan.bsky.social and Carrianne Leung talk about the energy we bring into the classroom, with students who are coping with realities of fascism, genocide, climate catastrophe, and the uncertainties of AI. Listen on your favourite podcast app: academicaunties.captivate.fm

It's 40 years since Farman, Gardiner and Shanklin's paper analysing springtime ozone depletion over Halley Bay - www.nature.com/articles/d41.... On World Ozone Day 2025, the IO3C reminds us that this is a story of the Earth system's capacity to surprise. www.io3c.org/public-state...

YouTube video by Ozone Secretariat World Ozone Day 2025 Message by UNEP Executive Director Inger Andersen (EN)

Happy World Ozone day !! youtu.be/Se5shgSACyo?...

By phasing out nearly all ozone-depleting substances, the Montreal Protocol is expected to help prevent up to 1°C of global warming by the end of the century.

September 16 is #WorldOzoneDay: ozone.unep.org/ozone-day/fr...

@unepozone.bsky.social

Is Earth’s climate in a state of 'termination shock'? Cleaning up air pollution has saved millions of lives, but it has also given us an inadvertent taste of a nightmare climate scenario. The race is on to understand how bad it could be – and how to swer...

"I don't think it was fully realized how much pollution removal would affect the regional climate" says CICERO researcher @bjornsamset.bsky.social Bjørn Samset in a recent story in @newscientist.com www.newscientist.com/article/2494...

The AI Researcher's Guide to a Non-Boring Bluesky Feed | Naomi Saphra How to migrate to bsky without a boring feed.

I wrote something up for AI people who want to get into bluesky and either couldn't assemble an exciting feed or gave up doomscrolling when their Following feed switched to talking politics 24/7.

Who was the first king of England? 👑

Robinson Fellow, Professor David Woodman, thinks more people should know that Æthelstan created England in 927AD – should his story be on the school curriculum?

David makes the case in his groundbreaking new biography 👇
shorturl.at/t07ej

Why we must build a world free from nuclear weapons On the 80th anniversary of the bombing of Hiroshima, Oliver Robertson traces the history of opposition to nuclear weapons, and how Quakers continue that tradition today.

On the 80th anniversary of the bombing of Hiroshima, our Head of Witness and Worship Oliver Robertson traces the history of opposition to nuclear weapons, and how Quakers continue that tradition today.

Our faith calls us to work for a peaceful world, free of nuclear weapons 🕊️☮️

Quakers host two survivors of atomic bombing of Japan in 1945 Nagasaki must be the last city in the world to ever experience an atomic bomb, two survivors of the bombings of Japan by the USA told a gathering in Friends House, London, last weekend.

On Hiroshima Day, let us draw strength from the tireless campaigning of the last Japanese survivors.

Tadayoshi Ogawa: 'We live on something akin to a spaceship...we can fight over borders, over resources, and the spaceship and the life on it will suffer.'

www.quaker.org.uk/news-and-eve...

Opinion: The role of AerChemMIP in advancing climate and air quality research Abstract. The Aerosol Chemistry Model Intercomparison Project (AerChemMIP) was endorsed by the Coupled Model Intercomparison Project 6 (CMIP6) and was designed to quantify the climate and air quality ...

🧪🌳☁️ Short-lived climate forcers affect climate change, air quality, ecosystem health & agriculture productivity. Our new ACP (highlight) paper reviews the research in this area enabled by the CMIP6 AerChemMIP project. Led by @ljwilcox.bsky.social, Bob Allen & me acp.copernicus.org/articles/25/...

Come and join us for our prestigious Annual Lecture and Research Showcase on 8 October where we will be rethinking food and nutrition for the planet. We've got a fantastic panel and keynote lined up and interactive research exhibits to explore.

Get your ticket! www.tickettailor.com/events/cabot...

A photo of a lecture theatre at the University of Reading Dept of Meteorology showing a packed, stuffy room full of scientists and laptops. The screen at the front shows a talk from Hanish Gordon of CMU

From the back of the room - a great turnout for the UKCA science meeting. Heading towards our community town hall.

If you fancy a change, come over the UKCA annual meeting in the @uniofreading.bsky.social Hoskins building to hear on atmospheric chemistry research!

Very glad to have Bjorn and Laura’s leadership on this project! And they have written an Explainer - theconversation.com/cleaner-air-...

www.nies.go.jp/soc/img/iwgg...

gosat-gw.nies.go.jp/en/gosat-gw0... includes the team!

YouTube video by JAXA | 宇宙航空研究開発機構 温室効果ガス・水循環観測技術衛星（GOSAT-GW）／H-IIAロケット50号機打上げライブ中継

Spending last autumn at Japan's National Centre for Environmental Sciences showed me the immense effort behind GOSAT-GW, a new Earth observation satellite for greenhouse gases CO2 and CH4. Incredible work by JAXA and NIES. JAXA’s live-stream of its (so far-🤞) launch!
www.youtube.com/watch?v=MZop...