Ed Matthew @edmatthew.bsky.social UK Programme Director for independent climate change think tank E3G
Tom Price @tomwprice.bsky.social Working on climate. Not optimistic, but hopeful. And stubborn as the day is long.
Fitri Wulandari @fwulandari.bsky.social 
International Renewable Energy Agency (IRENA) @irena-official.bsky.social The International Renewable Energy Agency supports countries in their transition to a sustainable energy future.
Estelle Cantillon @estellecantillon.bsky.social I'm an economist at Université Libre de Bruxelles, interested in market design, climate transition and sustainability. Posting mostly in EN but sometimes also in FR and NL. Webpage: https://ecantill.ulb.be/
Pembina Institute @pembina.org Canada’s leading clean energy think tank. 🍁 Donor-supported charity. It’s time to electrify Canada.⚡
Join us ➡️ pembina.org/donate
Clement Metivier @clementmetivier.bsky.social Working to tackle the #ClimateCrisis & #BiodiversityLoss, and build a better future for all // International advocacy at @WWF.org.uk // Views my own
Simon Jones @airqualitymatters.bsky.social Air quality, ventilation and all that good stuff! Host of the Air Quality Matters Podcast
Zelda Kristhild Octavia Londinium Oghigiano, MSFE @zeldakologhigiano.bsky.social 🪴Climate Financial Economist
MSFE | Quantitative Corporate Finance | Econometrics | Philosophy | Green & Blue Economies | Liberal Politics
🇮🇹🇻🇦🇩🇰🇳🇴Italo-Roman/Dansk-Norsk 🌊Democrat ✝️Cattolica-Luthersk🌱Alleanza Verdi Sinistra🌹Arbeiderparti
Nick Hedley @nickhedley.bsky.social Editor of The Progress Playbook: https://theprogressplaybook.com
We focus on proven climate and sustainable development solutions.
Email me for collaboration opportunities: nick.hedley@theprogressplaybook.com
Marcus Ferdinand @mfoslo.bsky.social Carbon and power market expert @Veyt. 
Perspectives Climate Research @perspectivescc.bsky.social Our passion is shaping effective climate policies and carbon market mechanisms.
https://perspectives.cc/
Robert Jeszke @rjeszke.bsky.social Deputy Director of Institute of Environmental Protection - National Research Institute | Head of National Centre for Emissions Management (KOBiZE) | Founder and CEO of Centre for Climate and Energy Analyses (CAKE).
views on my own. RT not endorsement.
Catherine McKenna @cathmckenna.bsky.social 🌱 CEO, Climate & Nature Solutions; Chair UN Net Zero.
🇨🇦Former Minister of Environment & Climate
🏃♀️Author, Run Like a Girl
Order your copy today ⬇️
www.catherinemckenna.ca
📩 contact@climateandnature.com
Hailey Clarke @haileyclarke.bsky.social Policy Analyst | Focused on US & Canada EV, climate, clean fuels, and transition policies | Alumnus @ox.ac.uk | 🇨🇦/🇬🇾/🇭🇺 | she/her
Views my own | RPs & Likes ≠ agreement/endorsement
CarbonCure Technologies @carboncure.bsky.social CarbonCure is on a mission to make concrete a #Climate solution, reducing #EmbodiedCarbon and transforming #Concrete plants into carbon storage factories. 🌎 More: carboncure.com
Kai Uwe Barani SCHMIDT @kaiuwebschmidt.bsky.social 
Climate Action Network (CAN) Europe @caneurope.org Europe's leading NGO coalition fighting dangerous climate change!
@laurieannesmith.bsky.social @laurieannesmith.bsky.social 
Sam Goodman @samgoodman.bsky.social Comms Director, Mangrove Breakthrough
Jim McClelland @sustmeme.com Sustainable Futurist: Editor, Journalist, Host/Speaker: Climate, Energy, Built Environment, Circular Economy, Biz, Finance, Biodiversity, Conservation, Food & Ag, Transport. #Sustainability Magazine: https://sustmeme.com Newsletter: https://buff.ly/3WiTOEW
@matteomazzoni.bsky.social @matteomazzoni.bsky.social 
Gerald Butts @gmbutts.bsky.social Chairman @EurasiaGroup. Board Director WWF. Climate, technology, and geopolitics. Priors: Principal Secretary to PM of Canada and Premier of Ontario, CEO WWF.
James Burgess @jamesjburgess.bsky.social Senior energy transition editor at S&P Global Commodity Insights.
Reporting on clean energy tech, renewables, hydrogen, CCUS
Kait Bolongaro @kbolongaro.bsky.social Award-winning reporter
Senior Editor at The Capitol Forum
PhD far-right politics
Ex MLex, Bloomberg, Politico Europe
🗣️🇨🇦🇮🇹🇪🇸🇫🇷🇩🇪
Jerry van Houten @jerryvanhouten.bsky.social Carbon trader at Engelhart CTP (compliance markets only). Formerly at McKinsey and BloombergNEF, trying to understand the energy transition since 2013. Views are my own
Umit Singh Dhuga @usdhuga.bsky.social Hedge fund manager
Former Classics professor (PhD Columbia; postdoc Harvard)
Author of three books
Hyperpolyglot
Pope
Author: https://www.usdhuga.com
Academic: https://columbia.academia.edu/UmitDhuga
Markets: https://unstableequilibria.substack.com
Ed Crooks @edcrooks.bsky.social Covering everything in energy and natural resources for Wood Mackenzie. Host of The Energy Gang podcast
Alexandra Warren @awarren.bsky.social EU environmental policy journalist at @endseurope.com
✉️ alexandra.warren@haymarket.com
Ripple Offsets @rippleoffsets.com We sell the offsets from the high integrity cookstove carbon project 'High Impact Cookstoves by Ripple Africa' in Malawi.
- a Gold Standard project (GS ID 12151)
- a CDM project (ID 9933 and 9935)
High quality offsets? At www.rippleoffsets.com
Richard H. Clarke @cost-of-carbon.bsky.social Climate Risk Specialist, Ortec Finance | Model, write, campaign about the impacts of extreme weather | Fellow, Institution of Chemical Engineers | Fusion | Cryogenics | Co-Editor Future of Helium as a Natural Resource | London, England | views are my own
Mark Tilly @marktilly.bsky.social APAC Editor at @carbonpulse.bsky.social
Carbon Ledger @carbonledger.bsky.social Daily News, Trends, and Hot Takes on the Voluntray Carbon Market and CDR Industry. Follow for #VCM #CDR #NBS and #climate news and satire.
@climatesteward.bsky.social @climatesteward.bsky.social 
Kornelis Blok @kornelis.bsky.social Speeding up the energy transition
Professor Energy Systems @TU-Delft
Lead author @IPCC @UNEP Gap Report
Chairman Technical Council @SBTi
Scientific Climate Council @NL
Energy coach @Houten
#energysky #climatesky
www.kornelis.blog
Tin Fischer @herrfischer.bsky.social Journalist for stories and statistics
https://substack.com/@herrfischer 
Kati Kulovesi @katikulovesi.bsky.social International Law Professor / Director of the Center for Climate Change, Energy and Environmental Law CCEEL / Member of the Finnish Climate Change Panel / Member of the Sámi Climate Council / LL.M & PhD LSE Law
Alessandro Farruggia @afarruggia62.bsky.social journalist - writer - blogger# foreign affairs - climate - environment - energy - defence# Born@318ppm
RESCUE Climate @rescueclimate.bsky.social Horizon Europe project investigating the response of the Earth system to emission reduction & effectiveness of carbon dioxide removal
#CO2 #CDR #carbonremoval
The Leadership Group for Industry Transition @leadit.bsky.social Launched at the 2019 UN Climate Action Summit by India and Sweden, LeadIT works globally with countries and companies for a just and equitable industry transition.
https://www.industrytransition.org/
@vijayvaitheeswaran.bsky.social @vijayvaitheeswaran.bsky.social 
Stefano Porciello @steporciello.bsky.social Energy, Environment & Transport journalist for Euractiv in Paris
stefano.porciello@euractiv.com | opinions are my own + usual disclaimers
Environmental Markets @environmental.markets With over 20 years of hands-on experience, we are experts in environmental markets, including the carbon markets.
www.environmental.markets
Fund climate action at www.rippleoffsets.com
Chris Adams @mrchrisadams.net Science & justice. Also: coffee, cities, UX & code. Aghast at all the typos in my posts. A member of climateAction.tech, and I work at the Green Web Foundation.
@mrchrisadams on most of the social networks
Sam Jackson @smjcksn.com Director of Climate Science & Policy at Ecologi. FRSA, MISEP CEnv. Writes about climate, nature, geopolitics, technology, philosophy, and history. Bookish.
Views are my own
linkedin.com/in/smjcksn
Ross Bernet @rosszb.bsky.social Running for Berkeley Council District 1
Rossforberkeley.com
https://secure.actblue.com/donate/ross-bernet-1/
Ketan Joshi @ketanjoshi.co Hey, I'm a climate and energy writer / data analyst who focuses on corporate + govt accountability
Creator + curator of the Greensky feed: https://ketanjoshi.co/greensky/
Based in Oslo but write about US, Europe, Aus too - ketan.joshi85@gmail.com
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
Agora Energiewende @agoraew.bsky.social Agora Energiewende entwickelt wissenschaftlich fundierte und politisch umsetzbare Konzepte für einen erfolgreichen Weg zur Klimaneutralität.
Christina Hood @christinahood.bsky.social Climate policy nerd, mum, Ph.D ex quantum physicist, ex IEA. Climate stuff also on Linkedin. She/her. Views here are my own.
Nikolaus J. Kurmayer @nkurmayer.bsky.social Journalist - energy, climate, buildings and occasionally politics @Euractiv
Tell me what I got wrong: nikolaus.kurmayer@euractiv.com
Bill McKibben @billmckibben.bsky.social Founder 350.org and Third Act, author The Crucial Years on substack https://billmckibben.substack.com/
Author of 21 books, beginning with The End of Nature
Pedro Martins Barata @martinsbarata.bsky.social AVP, Carbon Pricing @ Environmental Defense Fund. Born at 329ppm. Views strictly my own.
Christopher Leisinger @cleisinger.bsky.social policy analyst @pik-potsdam.bsky.social directors team
climate policy, the EU & economics.
Aruna Chandrasekhar @arunacsekhar.bsky.social Climate and environmental journalist, writer, docu filmmaker. Covers climate policy @CarbonBrief. “Sekhar” as in “shaker”.📍Mumbai, India. Views, jokes = own.
Matteo Civillini @mcivillini.bsky.social Journalist at Climate Home News - London and elsewhere 
Chris Lang @reddmonitor.bsky.social Your daily reminder that carbon offsets are a scam.
reddmonitor.substack.com
Dale Beugin @dalebeugin.bsky.social Canadian climate policy wonk
Mitigation, adaptation, and clean growth
Exec VP at @climateinstitute.bsky.social
Former ED at Canada's Ecofiscal Commission
Writer of typos
📉📈🌎🇨🇦🤷🏼♂️
Energy Innovation @energyinnovation.org Energy Innovation is an energy and climate policy firm working to accelerate decarbonization through unbiased, non-partisan research and analysis 🔌💡
https://energyinnovation.org/
Climate News @climatenews.bsky.social News about the status of our changing climate and environment and the actions being taken to mitigate the risks of climate change. Main areas of focus are on climate politics, climate data, ecological research and renewable energy. 🌏
Natalie Jones @nataliejones.bsky.social Energy & climate policy at IISD. Sometimes international lawyer. Working on a managed phase-out of oil and gas production in line with Paris Agreement goals. 
Alison Reeve @reevealison.bsky.social Program Director, Energy + Climate Change, Grattan Institute.
Views here are my own, naturally.
Usually posting from Ngunnawal Country.
I block Nazis, climate deniers, and Russian propaganda amplifiers.
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
Zahra Hirji @zhirji.bsky.social Bloomberg News climate reporter. Past BuzzFeed News, InsideClimate News. Mom. She/her. Views are my own.
Email: zhirji@bloomberg.net
Signal: zhirji.51
Mongabay @mongabay.com Award-winning nonprofit media outlet publishing global environmental science & news in 8 languages via bureaus in India, Brazil, Africa, Latin America, Indonesia & US: https://mongabay.com
Patrick Galey @patrickgaley.bsky.social Anti-Fascist. Anthropocene Pepys. Gen AI Cassandra. Journalist taking names on the fossil fuel industry and its role in the climate, energy, and cost of greed crises.
Other than that, mainly dogs and cycling
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/
Kate Mackenzie @katemac.bsky.social finance, energy, climate, geopolitics, industrial policy
@thepolycrisis.bsky.social
in Australia -> DMs hard to retrieve, best to email
Brad Plumer @bradplumer.bsky.social Reporter, NYT Climate.
email: brad.plumer@nytimes.com
signal: bradplumer.54
CindyBax @cindybax.bsky.social 🇬🇱 🇵🇸 🏳️⚧️ 🫘Global: climate,1.5C, with a history of oppo research. Aotearoa NZ: seabed mining, coal
Mother of doggo Pearl
www.kasm.org.nz and www.coalaction.org.nz
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
Niklas Höhne @niklashoehne.bsky.social Climate policy scientist, cofounded NewClimate Institute, former professor at Wageningen, IPCC author since 2003. The views shared here are my own.
Akshat Rathi @akshatrathi.bsky.social - Senior climate reporter, Bloomberg News
- Newsletter http://bit.ly/bbg-zero
- Podcast http://bloomberg.com/zero-podcast
- Book https://akshatrathi.com/book
- akshat.rathi@pm.me
Joe Thwaites @joethwaites.bsky.social International Climate Finance Director @nrdc.org
No relation to the glacier.
Views my own
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
Zia Weise @ziaweise.bsky.social Senior EU climate reporter at POLITICO.
Recovering news editor, former Istanbul correspondent. Brussels-based. She/her. DM for Signal. ✉️ zweise@politico.eu
Petter Lydén @plyden.bsky.social Head of International Climate Policy @germanwatch.bsky.social
Linda Kalcher @lindakalcher.bsky.social Working on industry, energy, climate and diplomacy at European and international level. #CleanIndustrialDeal - views my own
German in Brussels, Executive Director -> www.strategicperspectives.eu
Zack Colman @zcolman.bsky.social POLITICO climate & energy reporter
SIGNAL: zcolman.75
George Monbiot @georgemonbiot.bsky.social Ungainly on land
Carbon Brief @carbonbrief.org Award-winning journalism focused on #climatechange, science, energy and policy. Subscribe to our free newsletters: http://bit.ly/CBnewsletters or visit our website: https://www.carbonbrief.org/
Follow our journalists: https://go.bsky.app/6X95R1T
Emily Atkin @emorwee.bsky.social I run HEATED, a weekly newsletter and podcast devoted to climate accountability reporting and opinion. Philly-based. She/her.
Signal: @emorwee.06
Josh Gabbatiss @joshgabbatiss.bsky.social Associate editor at Carbon Brief 🐸
josh.gabbatiss@carbonbrief.org ✉️
Climate Home News @climatechangenews.com We deliver original journalism that informs & inspires action to tackle the global climate crisis | Covering Climate Now winners 2025 | Drum Award Winners 2022
Sebastián Rodríguez @sebastianrodvar.bsky.social Oceans Editor at Climate Home News
Molly Lempriere @mollylempriere.carbonbrief.org Section editor for policy at Carbon Brief 
🌍⚖️ Sébastien Duyck @duycks.bsky.social Senior Attorney - #ClimateJustice & right to healthy environment at
the Center for International Environmental Law @ciel.org | demystifying international law, one emoji at a time | Focused on #ClimateJusticeAtTheICJ | Dad * Opinions my own
Michael Bloss @michabloss.bsky.social Father of 2, 🇪🇺 Mitglied des Europaparlaments | GreensEFA | 💯 Arbeitet an einer klimasozialen Zukunft für Europa | #GreenDeal | aus Stuttgart
https://linktr.ee/michabloss
Anika Patel @anikanpatel.carbonbrief.org China Section Editor at Carbon Brief
Daisy Dunne @daisydunne.carbonbrief.org Associate Editor @carbonbrief.org 🌍
London via 🇮🇪🇵🇸🇦🇹
Sign up to our free weekly climate newsletter: http://carbonbrief.org/debriefed/
Cecilia Keating @ceciliakeating.carbonbrief.org 🌱 science section editor @carbonbrief.org 🌱
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. 
Julian Wettengel @wettengel.bsky.social Journalist, reporting on climate & energy for Clean Energy Wire
Damien Meadows @damienmeadows.bsky.social Advisor on EU climate action at the European Commission, and lawyer drafting, negotiating and working to implement strong and effective climate policies since 2000
Andreas Sieber @andreassieber.bsky.social Energy & Climate Geopolitics
Head of Political Strategy @350.org
Energy Co-Lead, International Climate Policy Hub.
Views = my own
Doug Parr @dougparr.bsky.social @greenpeaceuk.bsky.social chief scientist, policy director
View are all my own, except those I've borrowed
Jake Schmidt - NRDC @jakeschmidt.bsky.social Sr. Strategic Director, International Climate at NRDC. Working around the world to tackle the climate crisis. https://www.nrdc.org/bio/jake-schmidt
Shannon Osaka @shannonosaka.bsky.social climate *zeitgeist* reporter for @washingtonpost.com. Reach me on Signal: smosaka.27
Seth Borenstein @borenbears.bsky.social Climate and science writer at The Associated Press, covers disasters, all sorts of science. Teaches journalism at NYU/DC. Father of 3, husband of 1. Red Sox fan.
Madeleine Cuff @tinymaddie.bsky.social Environment reporter for New Scientist mag, covering all things climate change