Kevin O’Sullivan @kosull.bsky.social Environment & Science Editor with Irish Times… special interest in climate change, biodiversity, renewables, sustainable food. Co-author of Supergrid Super Solution.
Our World in Data @ourworldindata.org Our World in Data is a free, nonprofit website with a mission to increase understanding of the world’s largest problems and drive informed action to solve them. Based out of Oxford University (@ox.ac.uk), founded by @maxroser.bsky.social.
Jason Brown @brownmjason.bsky.social Communications Manager at @buildingdecarb.org. Opinions expressed do not necessarily represent those of my employer. He/Him. Interested in #BuldingDecarb, #Heatpump #ThermalEnergyNetworks. The Dude Abides.
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
CAAD_Coalition @caadcoalition.bsky.social Climate Action Against Disinformation
A global coalition of 120+ climate and anti-disinformation organisations.
https://caad.info/
Taylor Noakes @taylornoakes.com Independent journalist
Public historian
Born to raise hell
taylornoakes.com
canaduh.substack.com
Send tips securely to taylornoakes@protonmail.com
Ashley Braun @ashleybraun.bsky.social Science + Environmental Journalist, Sr. Editor @ DeSmog, Fact-checker. Seattle, WA. ashleybraun.com
Geoff Dembicki @geoffdembicki.bsky.social Investigative climate reporter and global managing editor with DeSmog. Author of THE PETROLEUM PAPERS, named a best book of the year by The Washington Post.
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
Brian Gormley D7 @bgormley.bsky.social Head of Sustainability Education in TU Dublin. Founder member of Connecting Cabra. Board member of Green Foundation Ireland. Ecologist. Birder, book-lover. Views expressed are personal.
James Glynn @drglynn.bsky.social Founder CEO, Adjunct Professor of Energy Engineering
Purpose driven, building open source energy systems frameworks for strategic decision optimisation.
Leveraging 50 years of institutional knowledge in the #IEA #ETSAP #TIMES code.
Fintan Kelly @fintankelly.bsky.social A voice for nature 🌍 working on IE/EU Environmental Policy/Advocacy. All opinions my own. Roscommon 🐏 Connacht 🦅 Ireland ☘️
Kate Klonick @klonick.bsky.social Law professor & journalist looking at tech geopolitics, free expression, internet law, online governance, & AI.
Senior Editor at Lawfare.
https://klonick.substack.com/
www.kateklonick.com
W.W.D.D.
Micheál Bennett @mickb290.bsky.social Irish dairy farmer
B.AgSci UCD
🇮🇪 🇪🇺 🐄
🇵🇸 🕊
Interested in food, engineering, energy, transport, general aviation.
Jasmine 🌌🔭 @astrojaz.bsky.social 🪐 utsa/swri physics grad student | ❄️ europa clipper grad affiliate | 🚀 nasa solar system ambassador
space news • photos • facts ↓ links
https://beacons.ai/astrojaz
Joe Galvin @joegalvin.bsky.social Journalist, RTÉ Investigates
Salomé Saqué @salomesaque.bsky.social Journaliste qui parle de
- droits des femmes
- économie (inégalités sociales)
- écologie
- jeunesse
Autrice de "Résister" et "Sois jeune et tais-toi" aux éditions Payot.
@charleslister1.bsky.social @charleslister1.bsky.social 
Michael Vega @michaelrvega.bsky.social Hello, my name is Michael. I enjoy making music (playing guitar, keyboard, singing, and writing music). I also love coming home to spend time with my family, cook, and help my oldest daughter with her homework.
Guy Shrubsole @guyshrubsole.bsky.social Environmental campaigner & author, The Lie of the Land (William Collins, 2024), The Lost Rainforests of Britain (2022), & Who Owns England? (2019). Forthcoming: The Ghosts of Chalk Country (2027). Agent: @jmlockhart.bsky.social
Mike Hudema @mikehudema.bsky.social #Climate and communications director focusing on addressing the #climatecrisis, keeping forests standing, and building a vibrant, livable world for all of us.
There’s no time to wait. #ActOnClimate
Owen Jones @owenjones.bsky.social Socialist, antifascist, writer in various places, geriatric millennial, GQ's 9th Worst Dressed Man in 2016. He/him. YouTube channel http://bit.ly/33iARb3 🏳️🌈
George Monbiot @georgemonbiot.bsky.social Ungainly on land
Elaine McGoff @elainemcgoff.bsky.social PhD. Head of Advocacy for An Taisce. Water floats my boat. 🚲 powered. Views are my own. 
Edgar Morgenroth @morgenrothedgar.bsky.social Professor of Economics. Dublin, Ireland
Policy analysis, data analysis, geo-economics.
Argumentative/streitbar!
Private account
Jim Scheer @jimmerz50.bsky.social 
Kevin Burke @kevburkeie.bsky.social Urban Planner specialising in sustainable transport. Liveable cities advocate. Daon-Phoblacht Chorcaí.
Brian Caulfield @briancaulfield.bsky.social Professor in Transportation, Dept of Civil Engineering, Trinity College Dublin, Research in Transport, Public Transport, Transport Emissions & Climate Change. https://peoplefinder.tcd.ie/Profile?Username=CAULFIB 
John Gibbons 🇵🇸 🇺🇦 🇪🇺 @thinkorswim.bsky.social Campaigning journalist & author. THE LIE OF THE LAND was Shortlisted for 2025 Book Of The Year. Published by Penguin.
https://www.penguin.co.uk/books/464166/the-lie-of-the-land-by-gibbons-john/9781405972338
#ClimateEmergency. ThinkOrSwim.ie
Dr Ciarán O'Carroll @climateciaran.bsky.social Lecturer at TU Dublin
Board of Screen Ireland and National Gallery
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Edward Perez @eddieperez.bsky.social Ex-Twitter director for civic integrity. Media commentary & analysis; election admin & voting tech; social media. Lapsed poli-sci academic. Likes: democracy, facts.
http://linkedin.com/in/eddie1perez
Board of Directors @osetinstitute.org
Jesse @ember42.bsky.social Process engineer. Energy, infrastructure, industrial decarbonisation, P(🌎net0|☢️📉) << P(🌎net0|☢️📈), Sulphur. Views my own. Ember421 at x
Paul Price @swimsure.bsky.social Research: climate change science & policy.
Blog: https://climate-change-and-ireland.ghost.io/
–Adjunct faculty Dublin City University
ORCID: 0000-0002-7995-6712;
–eNGO research & An Taisce member;
MSc. Sus Dev & BSc(Hon) Geology
30 yrs pro carpentry.
🚲 🏊
Colm Duffy @colmduff.bsky.social Father|Environmental Scientist|Software Engineer|Nature Lover |SciFi/Fantasy fan 🖥️ 🐍 🌎 🌳 🐕 🇮🇪
Currently University of Galway.
Former: University of Limerick/James Hutton Institute.
Stephen Kinsella @stephenkinsella.bsky.social Professor of Economics at the University of Limerick in Ireland. Economic Advisor
to An Tánaiste (Ireland’s Deputy Prime Minister and Minister for Finance)
Dr. Melissa Lott @mclott.bsky.social Engineer exploring tech/econ/health impacts of the #energytransition to #netzero | Energy & Climate Communicator
Hannah Daly @hannahdaly.ie Professor in Sustainable Energy, UCC 🇮🇪
I write a monthly column for the Irish Times: https://www.irishtimes.com/tags/hannah-daly/
Born 351ppm, daughters born 408 & 410, now >420ppm 🚨 ‼️
Former @IEA and @UCL
Róisín Moriarty @roisinmoriarty.com Climate science and policy for a better, safer, fairer world 🌍🌎🌏
Working on carbon dioxide removal and national pathways to net zero and beyond
Research Fellow @ucc.bsky.social 🇮🇪
https://roisinmoriarty.com/
Runner ⛰️ Snowboarder 🏔️ 🇮🇪🇫🇷
Climate Analytics @climateanalytics.org Global climate science and policy institute working to accelerate climate action and keep warming below 1.5°C.
Will Yeates @wyeates.bsky.social Climate and enviroskeeting.
Strat climate comms & media freelancing: Will@WYeates.com
(📍 London, Europe)
Permanently deleted my twitter account. So should you.
Dr. Cara Augustenborg @caugustenborg.bsky.social Assistant Professor, Head of Environmental Policy at UCD; Member of Ireland's Climate Change Advisory Council; Member of the President of Ireland's Council of State
James Temple @jtemple.bsky.social Climate and energy editor, Reno bureau chief, MIT Technology Review. Ski bum. Dog dad.
Please send tips (not PR pitches) through Signal: jtemple.99
Cameron @cameron.stream 🤙
Building machines that learn at @letta.com
https://cameron.stream
Patricia Levi @patricia-levi.bsky.social Strategy & Market Development @ Form Energy | Stanford PhD | MIT Energy Initiative | Macro-energy systems founder
Total nerd about: big batteries, grid decarbonization, electricity markets, bikes, mountains, plants, ceramics
Views mine
Robinson Meyer @robinsonmeyer.bsky.social I’m the founding executive editor of Heatmap News, a contributing Opinion writer for The New York Times, and the cohost of the Shift Key podcast.
📍NYC
Jesse D. Jenkins @jessedjenkins.com Macro-energy systems engineering, optimization & policy. Associate professor at Princeton University. Leads the ZERO Lab. Co-hosts SHIFT KEY podcast. Time100 Next & TIME100 Climate honoree. More at linkedin.com/in/jessedjenkins & zero.lab.princeton.edu
Simon Evans @drsimevans.carbonbrief.org Press Gazette energy & environment journalist of the year 2022
Highly commended:
Society of Editors 2025
Shortlisted:
Press Awards 2025
Press Gazette 2025
AOP 2025
Deputy Ed + Snr Policy Ed, Carbon Brief
simon.evans@carbonbrief.org
Dave Vetter @davidrvetter.bsky.social Climate and sustainability writing and communications; duck monitor.
Jan Rosenow @janrosenow.bsky.social Professor of Energy & Climate Policy at University of Oxford
Energy Programme Leader at ECI, University of Oxford
Senior Research Fellow at Oriel College, Oxford
Senior Associate Institute for Sustainability Leadership, University of Cambridge
Phillips OBrien @phillipspobrien.bsky.social Professor of Strategic Studies, Author, Lover of Sicily. Purveyor of a “righteous-but-rational vibe”
The Irish Times @irishtimes.com Official account of The Irish Times. Diverse opinion, thorough reporting and outstanding writing from http://irishtimes.com
The Washington Post @washingtonpost.com Democracy Skies in Blueness