Paul Griffiths
@paultgriffiths.github.io
Lecturer in atmospheric chemistry at the University of Bristol (🧪).
Reposted by Paul Griffiths
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
www.theclimatebrink.com
November 20, 2025 at 5:28 PM
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
🚨🧪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-...
November 20, 2025 at 8:35 AM
🚨🧪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-...
🛰🧪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...
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
www.yomiuri.co.jp
November 20, 2025 at 8:23 AM
🛰🧪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...
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...
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.
www.freemalaysiatoday.com
November 19, 2025 at 11:18 AM
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...
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...
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...
hellobio.com
November 18, 2025 at 8:48 AM
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...
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...
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...
doi.org
October 27, 2025 at 9:21 PM
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...
Reposted by Paul Griffiths
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
September 18, 2025 at 1:27 PM
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...
September 16, 2025 at 7:43 AM
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...
Reposted by Paul Griffiths
Happy World Ozone day !! youtu.be/Se5shgSACyo?...
World Ozone Day 2025 Message by UNEP Executive Director Inger Andersen (EN)
YouTube video by Ozone Secretariat
youtu.be
September 16, 2025 at 6:05 AM
Happy World Ozone day !! youtu.be/Se5shgSACyo?...
Reposted by Paul Griffiths
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
September 16 is #WorldOzoneDay: ozone.unep.org/ozone-day/fr...
@unepozone.bsky.social
September 15, 2025 at 7:01 PM
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
September 16 is #WorldOzoneDay: ozone.unep.org/ozone-day/fr...
@unepozone.bsky.social
Reposted by Paul Griffiths
"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...
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...
www.newscientist.com
September 12, 2025 at 7:28 AM
"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...
Reposted by Paul Griffiths
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.
The AI Researcher's Guide to a Non-Boring Bluesky Feed | Naomi Saphra
How to migrate to bsky without a boring feed.
nsaphra.net
April 26, 2025 at 1:31 AM
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.
Reposted by Paul Griffiths
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
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
September 2, 2025 at 9:38 AM
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
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
Reposted by Paul Griffiths
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 🕊️☮️
Our faith calls us to work for a peaceful world, free of nuclear weapons 🕊️☮️
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.
www.quaker.org.uk
August 6, 2025 at 9:45 AM
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 🕊️☮️
Our faith calls us to work for a peaceful world, free of nuclear weapons 🕊️☮️
Reposted by Paul Griffiths
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...
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...
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.
www.quaker.org.uk
August 6, 2025 at 9:42 AM
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...
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...
🧪🌳☁️ 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/...
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 ...
acp.copernicus.org
July 31, 2025 at 9:34 AM
🧪🌳☁️ 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/...
Reposted by Paul Griffiths
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...
Get your ticket! www.tickettailor.com/events/cabot...
July 23, 2025 at 2:02 PM
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...
Get your ticket! www.tickettailor.com/events/cabot...
From the back of the room - a great turnout for the UKCA science meeting. Heading towards our community town hall.
July 17, 2025 at 1:51 PM
From the back of the room - a great turnout for the UKCA science meeting. Heading towards our community town hall.
Very glad to have Bjorn and Laura’s leadership on this project! And they have written an Explainer - theconversation.com/cleaner-air-...
July 14, 2025 at 4:55 PM
Very glad to have Bjorn and Laura’s leadership on this project! And they have written an Explainer - theconversation.com/cleaner-air-...
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...
www.youtube.com/watch?v=MZop...
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
YouTube video by JAXA | 宇宙航空研究開発機構
www.youtube.com
June 29, 2025 at 7:42 AM
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...
www.youtube.com/watch?v=MZop...
From the back of the room - this was a fantastic day. Thanks. Particularly enjoyed the overview of lab education from @mkseery.bsky.social
We are organising a one-day symposium in memory of Chris Adams, here in Bristol Chemistry on 27th June 2025, from 10 am. Details, programme and registration form here: cjasymposium.blogs.bristol.ac.uk
Please register by the end of this week if you plan to come for dinner.
Please register by the end of this week if you plan to come for dinner.
June 27, 2025 at 3:21 PM
From the back of the room - this was a fantastic day. Thanks. Particularly enjoyed the overview of lab education from @mkseery.bsky.social
Alas IWGGMS is over but it’s been a great workshop. Can’t wait for the next trip to Shikoku!
June 12, 2025 at 7:33 AM
Alas IWGGMS is over but it’s been a great workshop. Can’t wait for the next trip to Shikoku!
Nice trip from Hiroshima to Takamatsu for IWGGMS. TIL that the cat that rides with Kumanaku the JR mascot is called Tabinyan.
Momocchi, a mascot for Okayama Prefecture, is based on the local folktale hero, Momotaro. Kumanaku, a yellow bear train station employee, is Japan Railways’ mascot for Okayama.
June 8, 2025 at 4:00 AM
Nice trip from Hiroshima to Takamatsu for IWGGMS. TIL that the cat that rides with Kumanaku the JR mascot is called Tabinyan.
Reposted by Paul Griffiths
Just published in @uk.theconversation.com w/ @ljwilcox.bsky.social! Our article explains why Delhi can't break free from its Air Pollution Crisis and explores how meteorology is just as important as emissions in the fight for cleaner air!
Read more: theconversation.com/delhi-how-we...
Read more: theconversation.com/delhi-how-we...
Delhi: how weather patterns and faraway mountains made this the world’s most polluted megacity
Don’t just blame the city’s cars, factories and building sites. Mountains and weather patterns make it particularly hard for pollution to escape.
theconversation.com
February 28, 2025 at 8:29 PM
Just published in @uk.theconversation.com w/ @ljwilcox.bsky.social! Our article explains why Delhi can't break free from its Air Pollution Crisis and explores how meteorology is just as important as emissions in the fight for cleaner air!
Read more: theconversation.com/delhi-how-we...
Read more: theconversation.com/delhi-how-we...
Please consider submitting an abstract to the session on 'Understanding reactive gases, aerosols, and land use for air quality and climate change' convened by Fiona O'Connor, @dwatsonparris.bsky.social, Stephanie Fiedler, @flossie-brown.bsky.social and me! Deadline August 13th.
The CMIP Community Workshop 2026 will be held in Kyoto, Japan from 9-13th March 2026. The call for abstracts for CMIP26 is now open! Find out more at wcrp-cmip.org/cmip26-call-...
May 27, 2025 at 9:31 PM
Please consider submitting an abstract to the session on 'Understanding reactive gases, aerosols, and land use for air quality and climate change' convened by Fiona O'Connor, @dwatsonparris.bsky.social, Stephanie Fiedler, @flossie-brown.bsky.social and me! Deadline August 13th.