Chris Baraniuk @chrisbaraniuk.com Freelance science & technology journalist. 12+ years experience. Irish/Polish. Writes for the BBC, Wired, The Guardian and others!
Portfolio: chrisbaraniuk.com
Newsletter: thereengineer.pro
Coaching: chrisbaraniuk.com/coaching
HQ: Belfast, N. Ireland
Philip Oldfield @sustainabletall.bsky.social Head of School at UNSW Built Environment and Professor of Architecture. Writer, researcher & teacher, tall buildings, climate change, embodied carbon, cities
Kit Allwinter @kitallwinter.bsky.social cricket-lover, foodie, transport urbanist and general academic-y type person - interested in urban development, regeneration, liveability and sustainability
Dreadnought Holiday @dreadships.bsky.social Snarky history. Hideous French battleships. Nautical nonsense. Always check the alt text.
Adrian Hiel @adrianhiel.bsky.social Director of the Electrification Alliance. Representing the major actors in delivering European energy to European homes and industry. 🇨🇦 🇮🇪
https://electrification-alliance.eu/
World Bollard Association™️ @worldbollardassoc.bsky.social The official Bluesky account of the World Bollard Association™️. MERCH STORE - https://worldbollardassociation.team-togs.com/shop/storeorderform.php
Jack Bailey @jack-bailey.co.uk Political Scientist at the University of Manchester
Co-Director of the British Election Study
https://www.jack-bailey.co.uk
Public Sector Lawyer @publicsectorlawyer.bsky.social 25 years lawyering, in Government Departments & independent public bodies in the UK. Statutory interpretation, constitutional, regulatory & criminal law.
Jon Burke🌍 @jonburkeuk.bsky.social Energy ⚡️ Waste ♻️ Transport 🚲 Public Realm 🌳
Words in HuffPost, Big Issue, Architects Journal.
Climate Emergency UK Advisory Board.
Enquiries - jonburkeuk@protonmail.com
www.jonburkeuk.com- S @stockfttp.bsky.social @stockfttp.bsky.social Energy, Transition, Maritime & occasional Politics.
Led By Donkeys @ledbydonkeys.org Art, Activism and Accountability
https://linktr.ee/ledbydonkeys?utm_source=linktree_admin_share
Robin Hawkes @robhawkes.bsky.social 🐙 DataViz at @octopus.energy
⚡️ Obsessed with maps and energy
✨ Creator of ViziCities
👨💻 Previously Wood Mackenzie & devrel at Mozilla
Simon Lewis @simonlewis.bsky.social They say I’m outspoken. Professor of Global Change Science at UCL and University of Leeds. Author, The Human Planet. Trying to understand the world and change it too.
Adam Chapman @chiefgeekad.bsky.social Chief Geek at Heat Geek, pedant and obsessive. 
Tim Leunig @timleunig.bsky.social Policy thoughts: http://timleunig.substack.com Chief Economist Nesta, Director Econ PublicFirst, Vis Prof LSE Sch Public Policy, Vis Fellow Inst for Govt
Lauri Myllyvirta @laurimyllyvirta.bsky.social Co-founder and lead analyst, Centre for Research on Energy and Clean Air; senior fellow, Asia Society Policy Institute: tracking & accelerating progress from polluting energy to clean air, with research and evidence.
Lewis Graham @lewisgrahamlaw.bsky.social Lecturer in Human Rights Law at University of Manchester
Tom Haddon @tomh-analyst.bsky.social 17 years as an energy market analyst, now working on asset transactions and investment advice across the energy industry. All views are my own.
More background: https://www.linkedin.com/in/tom-haddon-62aa7642/
Gareth Dennis @garethdennis.uk Rail engineer and writer. Hosts @railnatter.uk and @trainsatlantic.uk. HOW THE RAILWAYS WILL FIX THE FUTURE (https://bit.ly/HowTheRailways) available everywhere. He/him.
Rob Ford @robfordmancs.bsky.social Politics Professor, University of Manchester. Sky News Elections Analyst
Author of "The British General Election of 2024" & "Brexitland". All takes are mine only.
"The Swingometer", is here: https://swingometer.substack.com/
https://www.robertford.net/
Kenza Bryan @kenzabryan.ft.com Climate reporter at the Financial Times in London.
Tips to kenza.bryan@ft.com
EssaysConcern @richarderskine.bsky.social Research fellow at The Schumacher Institute. Knowledge management specialist. Artist, Educator, Writer. Born 312.6 ppm
www.trustedknowledge.org
www.essaysconcerning.com
www.richarderskineart.com
Jonny Marshall @jonnymarshall.bsky.social Principal Economist at the Resolution Foundation @resolutionfoundation.org working on energy and climate policy
David Wallace-Wells @dwallacewells.bsky.social New York Times Opinion writer and New York Times Magazine columnist. Newsletter on climate and the messy future (https://tinyurl.com/dwwnyt). Author of The Uninhabitable Earth.
https://www.nytimes.com/newsletters/david-wallace-wells
Climate change - off the record @cc-offtherecord.bsky.social Podcast with @drclarenoone.bsky.social
A more human conversation about climate change
@uniofgalway.bsky.social
🎙️ https://open.spotify.com/episode/1BacPesBGuOqmH8nj96bjk
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Jonn Elledge @jonnelledge.bsky.social Annoying journalist, bestselling author, sweary podcaster and so forth. New Book: 31 Inventions That Built Our World (UK, out now) / A Brief History of Cities in 32 Inventions (US, 13 October).
Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social Astronomer Royal for Scotland, Professor of Astrophysics, Edinburgh University. Author of How to Design a Universe. @astronomerroyal on insta (She/her)
chrisjardine.energy @chrisjardineenergy.bsky.social Dr Chris Jardine
Solar pioneer, renewables expert, energy educator
Honorary Research Associate at Oxford University
https://www.chrisjardine.energy/
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
Auke Hoekstra @aukehoekstra.bsky.social Sharing hope and debunking FUD against electric vehicles and renewable energy. Director NEONresearch.nl @TUeindhoven Founder Zenmo.com.
Corinne Le Quéré @clequere.bsky.social Climate scientist & oceanographer. @royalsociety.org Professor @uniofeastanglia.bsky.social . Member @thecccuk.bsky.social #carbonbudget author.
guynewey @guynewey.bsky.social CEO at Energy Systems Catapult. Helping clean tech innovators thrive in the future energy system.
Ex-SPAD/PAD/wonk/hack. Uncertain about much....
Ben Chu @benchu.bsky.social Policy and analysis correspondent, BBC Verify.
https://www.benchu.co.uk/
Author of "Exile Economics: What Happens if Globalisation Fails", published May 2025
https://linktr.ee/exileeconomics
Jon Worth @jonworth.eu European, originally a Brit, became German, moved to France. Runs #CrossBorderRail project, writes a newsletter about railways. Green, lives happily without a car.
Normally stuck on a train, stuck in a village, or escaping either on a folding bicycle.
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Ayana Elizabeth Johnson @ayanaeliza.bsky.social Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Harris Berton @harrisberton.bsky.social Climate dad, Canadian energy policy nerd. I post about energy technologies and how we can use them to stop climate change. Views my own. #energysky
Daan Walter @daanwalt3r.bsky.social Principal Strategist at Ember
Kingsmill Bond @kingsmillbond.bsky.social Energy strategist @ember-energy.org
Martin Robbins @mjrobbins.com Substack: mjrobbins.com
Podcast: abundancepod.com
High Storrs School, Sheffield @highstorrsschool.bsky.social A fully comprehensive Secondary School educating 11-18 year olds.
https://highstorrs.co.uk/
Follow us on Facebook (@HighStorrsSchool) and Instagram (@HighStorrsSheffield)
Emma Pinchbeck @elpinchbeck.bsky.social CEO of the UK’s Climate Change Committee. Former CEO of Energy UK. Also worked for small businesses, renewables companies, and an environment NGO. Fellow of the Energy Institute. Mum to 2 small humans.
Dr. Tanya Harrison @tanyaofmars.bsky.social “Very Respected Science Person” -NBC News
🔴 Former science operations for NASA Mars missions
🛰️ Current space sector strategist & author advocating for Earth
🌎 Based in Ottawa but often found on a train
✨🇨🇦🏳️🌈✨
Jo Alsop @joalsop.bsky.social Me: To tell my children I did what I could to halt climate change.
Business: Helping households to decarbonise their homes & spend budget wisely
Co-founder: warmur.co.uk
Dr Matthew Aylott @renewablewriter.bsky.social Electrification of Heat Policy Lead in the Dept for Energy Security and Net Zero. Policy Fellow at University of Cambridge Centre for Science and Policy. Former Bioenergy Researcher. Spreading news & views on energy in a personal capacity.
Right to Roam @righttoroam.bsky.social Campaigning to unlock access to nature in England & Wales. 🥾🌿🔓
get in touch: hello@righttoroam.org.uk
resources and links: https://linktr.ee/right2roam
Jess Ralston @jessralston.bsky.social Head of Energy at the Energy & Climate Intelligence Unit. Mainly power, homes & heating.
All views my own etc
Trevor Mahlmann @tmahlmann.com pictures
Rebecca Willis @bankfieldbecky.bsky.social Climate & energy governance; citizen engagement. Prof at Lancaster Uni; expert adviser to the Climate Change Committee. Mostly climate stuff, occasional forays into runs, swims, mountains, dogs. Book: https://bristoluniversitypress.co.uk/too-hot-to-handle
Iain Soutar @isoutar.bsky.social Senior Lecturer in Energy Policy at the University of Exeter, UK. Researching change, inertia and public engagement in energy transitions.
https://experts.exeter.ac.uk/19656-iain-soutar
Dave Vetter @davidrvetter.bsky.social Climate and sustainability writing and communications; duck monitor.
Damian Carrington @dpcarrington.bsky.social Environment editor at The Guardian
Send info confidentially via Signal: dpcarrington.35
Or via this link👇
https://www.theguardian.com/tips
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
Jonathan O'Callaghan @astrojonny.bsky.social Freelance space journalist. British Science Journalist of the Year 2024. Words in The New York Times, Scientific American, New Scientist, BBC, WIRED, + more.
Bangkok, Thailand
jdaoca@gmail.com
@astro_jonny on Twitter
https://www.jonathanocallaghan.com/
Michael Liebreich @mliebreich.bsky.social Host @CleaningUpPod. CEO Liebreich Associates. Managing Partner Ecopragma Capital. Founder, Contributor @BloombergNEF. Ex Board TfL, Board of Trade. Olympian. Don't message me - I'm not prepared to give away personal data to prove my age. Srsly BlueSky!
Institute for Public Policy Research @ippr.org IPPR is the UK’s leading progressive think tank.
Find out more here: linktr.ee/IPPR
Scott Manley @handle.invalid ⚠️ MIRROR OF twitter.com/DJSnM
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
Thomas H Zurbuchen @drthomasz.bsky.social Scientist, Explorer, Innovator, ETH Prof, NASA’s head of Science 2016-2022
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
Dan Neidle @danneidle.bsky.social Founder of Tax Policy Associates Ltd. Tax realist. @danneidle on Twitter
Chris Stark @chrisstark.bsky.social Head of the UK’s Mission for Clean Power by 2030.
Former CEO of the UK’s Climate Change Committee. 
The Man in Seat 61 @seatsixtyone.bsky.social Mark Smith, the Man in Seat 61, the chap who runs that train travel site http://seat61.com. YouTube: http://youtube.com/c/seat61.
Nathan Bennett @nathanjbennett.bsky.social Humans. Environments. Oceans. Critical & Solution Oriented. Pracademic & Strategist. Global Oceans Researcher & Chair of IUCN People and the Ocean Specialist Group #ConSocSci #MarSocSci Canadian. Thoughts, shares, opinions here are mine.
Tim Latimer @timlatimer.bsky.social Geothermal 🌋⚡️
CEO @ Fervo Energy
HTX
Miatta Fahnbulleh @miattafahnbulleh.bsky.social Member of Parliament for Peckham
Minister for Devolution, Faith & Communities
Miatta.fahnbulleh.mp@parliament.uk
Richard Lowes @richardlowes.bsky.social Energy policy obsessive on clean/decarb, mostly clean heating and gas. Surfer, dog lover, live in Cornwall. Work for Exeter Uni and the Regulatory Assistance Project. Fellow of the Energy Institute. Co-chair of Clean Heat Forum.
Jenny Chase @solarchase.bsky.social Solar and clean power analyst at BloombergNEF, goose keeper. Author of a book, "Solar Power Finance Without the Jargon". Opinions all my own.
David Joffe @davidjoffe.bsky.social Expert adviser, Clean Power Unit, DESNZ. Visiting Prof @ CEP, Strathclyde. Ex: CCC Director of Net Zero. Opinions mine unless someone else’s. Joffe rhymes with coffee. #COYS
Dan Grey @dangrey.bsky.social Energy and transitioning from fossil fuels. Complex issues I try to shine a light on. Ex-UKAEA and Met Office, now working in community energy. Occasionally politics
Exeter, UK
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.
Catherine Queen @catherinequeen.bsky.social Senior Lecturer in Planning @ Uni of Liverpool. Public disengagement from planning for energy futures, inclusive cities, climate communication.
Anand Menon @anandmenon.bsky.social Director @ukandeu.bsky.social Bitter and twisted observer of politics. ‘Not yoda’ (DC) ‘Slightly matey politics don' (Q. Letts) Trustee, @fullfact #LUFC Most views someone else’s
Ellie Mae O'Hagan @elliemaeohagan.bsky.social I'm the programme lead for the UK energy team at E3G and an advisory board member for the Autonomy Institute. Personal account - random thoughts with a quarterly post about energy policy.
Joseph D. Ortiz @earthsciinfo.bsky.social NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
Zeke Hausfather @zekehausfather.com "A tireless chronicler and commentator on all things climate" -NYTimes.
Climate research lead @stripe, writer @CarbonBrief, scientist @BerkeleyEarth, IPCC AR7 lead author.
Website: https://zekehausfather.com/
Substack: https://www.theclimatebrink.com/
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
Doug Parr @dougparr.bsky.social @greenpeaceuk.bsky.social chief scientist, policy director
View are all my own, except those I've borrowed
Owen Bellamy @owenbellamy.bsky.social Staffer at @thecccuk.bsky.social. I only have my own opinions…
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
Tim Green @otherprofgreen.bsky.social Professor of Electrical Power Engineering at Imperial College researching control of zero-carbon grids.
Known to get distracted by old trains and industrial heritage.
Drivel that follows comprised entirely of personal views.
He/Him
Marcus Shepheard @mashley.bsky.social Formerly @instituteforgov.bsky.social and @thecccuk.bsky.social, currently @nestauk.bsky.social, estwhile evolutionary biologist.
"The intersection of policy and donuts" - @jillongovt.bsky.social
Dr Iain Staffell @iain-staffell.bsky.social Reader in Sustainable Energy, Imperial College London
https://renewables.ninja 🌍
https://electricinsights.co.uk 📈
https://climatewedges.com 🍰
http://energystorage.ninja 🔋
Climate Change Committee @thecccuk.bsky.social The UK’s independent adviser on tackling climate change.
https://www.theccc.org.uk/
Dave Jones @cleanpowerdave.bsky.social Build clean power + electrify⚡️ Chief analyst and co-founder of @ember-energy.org. Electricity analyst since 2000, still learning;)
Andrew Sissons @acjsissons.bsky.social Day job: climate change, heat pumps, energy at Nesta
Other stuff: low-fi economics on growth, cities & economic geography, general UK policy, occasional basic charts
Bristol, he/him, lots of parenting / caring.
Personal account.
Adam Bell @adambell.bsky.social "Former energy czar" - the Guardian. "Energy big brain" - Politico.
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Bluesky @bsky.app official Bluesky account (check username👆)
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