Ryan Maue @ryanmaue.bsky.social Meteorologist, Data Scientist
Michigan, Florida State Alum
https://weather.substack.com
Jens Hartmann @geojenshartmann.bsky.social Geochemists, Geologist, CDR-researcher and Professor @ University of Hamburg
Main topics: Ocean Alkalinity Enhancement, Enhanced Weathering, Fusion of CDR-methods
Involved with CDRmare, CDRterra, AlkAlign, Carbon to Sea, PYMICCS, ...
Abigail Swann, PhD @ecoclimatelab.bsky.social I study how climate works differently because of plants. Professor at @Univ. of Washington, views are my own. She/her
Jaime Palter @jaimepalter.bsky.social Oceanographer, professor, Mom, Rhode Islander. Here to learn and connect with ocean, climate, energy crowd. 
Corinne Le Quéré @clequere.bsky.social Climate scientist & oceanographer. @royalsociety.org Professor @uniofeastanglia.bsky.social . Member @thecccuk.bsky.social #carbonbudget author.
Romany Webb @romany-webb.bsky.social Deputy Director, Sabin Center for Climate Change Law. Working on climate, energy, carbon removal, methane removal, and more.
Helen Czerski @helenczerski.bsky.social Physics, bubbles, oceans, hot chocolate and curiosity. Professor at UCL, writer, broadcaster. Author of Storm in a Teacup and Blue Machine https://linktr.ee/helenczerski Co-host of BBC Radio 4's Rare Earth
Dr Anna Leshinskaya @annaleshinskaya.bsky.social Assistant Professor of Cognitive Science at UC Irvine. She/her. Researcher in human & artificial intelligence using computational neuroscience & machine interpretability. Lab website: relcoglab.org
Dr Adam Levy @climateadam.bsky.social Climate scientist, journalist, YouTuber, Adam 🏳️🌈
https://www.youtube.com/ClimateAdam/
https://www.climateadam.com
World Meteorological Organization @wmo-global.bsky.social 
Marcus C Sarofim @marcusmarcusrc.bsky.social Climate scientist, ex-EPA. Writing climate science & policy at The Saraph Report. Saraph, my name's root, means fire, which is appropriate for climate work. Interested in books, food, and contra dancing when not obsessing over carbon.
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
Zoe Samuel @zoesamuel.bsky.social #Climate investor: early stage #cleantech
Board member workonclimate.org
Built #Google's biggest internal climate group
Brit in Bay Area
#Film & #theater producer
Maker of world class roast potatoes
Opinions expressed here are my own. Slava Ukraini
Ross Macfarlane @rossmacfarlane.bsky.social Advocate for democracy, climate action, & environmental justice. Board Chair with Way to Win Action Fund & Director with Sierra Club Foundation & Clean Energy Transition Institute, but takes here are only my personal views.
Vince Cooper @vtcoop.bsky.social Climate scientist investigating climate dynamics and paleoclimate. Currently a Houghton Postdoctoral Fellow at MIT @eapsmit
Dr. Twila Moon @drtwilamoon.bsky.social Glaciologist & Deputy Lead Scientist @nsidc.bsky.social. Climate Science Engagement Lead @ciresceee.bsky.social. 2025 AGU Climate Comms Awardee. More at www.changingice.com. Views my own!- L Lijing_Cheng @lijingcheng.bsky.social From IAP/CAS. Working on ocean data (T/S/Oxygen) and gridded products, ocean heat content and energy flow, freshwater, oxygen changes. IPCC author.
Ben Caldecott @bencaldecott.bsky.social Director, Oxford Sustainable Finance Group, University of Oxford. Finance, climate, energy, sustainability and nature. Working globally with financial institutions, companies, governments, regulators and civil society.
Bas van Ruijven @vruijven.bsky.social 
Haewon McJeon @hmcjeon.bsky.social (sorry, i came here looking for twitter... but there were no one here to listen... come find me on linked in or slack.)
Carl Schleussner @carlschleussner.bsky.social Climate Scientist at @iiasa.ac.at and Humboldt Universität zu Berlin Views are my own.
Thomas Frölicher @froeltho.bsky.social Professor in Climate and Environmental Physics @unibern, Lead Author @IPCC_CH SROCC, Views are my own
Sarah Perkins-Kirkpatrick @sarahinscience.bsky.social Professor, Climate Science | heatwaves | ANU Fenner School | Deputy Director Engagement & Impact, @21centuryweather | convening lead author @IPCC AR7 | co-host totally cooked podcast | @AMOS president | Climate Comms | Mother | Runner | #ADHD
Gabi Hegerl @gabihegerl.bsky.social Climate scientist
Giacomo Grassi @giacgrassi.bsky.social Scientist @EU_Commission's Joint Research Centre. Forests, carbon and climate in the science/policy interface. Member #IPCC task force Bureau #AR7. Views mine.
Diana Urge-Vorsatz @dianaurge.bsky.social Professor, Central European University
@CEU
Vice Chair, Intergovernmental Panel on Climate Change
@IPCC_ch
@jimskeaclimate.bsky.social @jimskeaclimate.bsky.social 
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
Manon Jacob @manonjacob.bsky.social AFP journalist covering climate mis/disinformation 🌎 • Previous words: Politico, Reuters, Eater • the world's the world and I'm a person in a tiny body 🌿• She/her • Got a tip for me? firstname(dot)lastname(at)afp.com 📨
Chris Field @chrfield.bsky.social Director, Stanford Woods Institute for the Environment.
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.
Dr. Katharine Wilkinson 🌱 @kkwilkinson.bsky.social 🤸🏻♀️ Climate author, teacher, creator 📚 Climate Wayfinding (new!), All We Can Save, Drawdown, etc ✨ Lead @allwecansave.bsky.social 🎙 Co-host, A Matter of Degrees 🍑 ATL
True loves: 🐎🐕🐈⬛🕺🏼🌳🌖⛰️
Dr. Dawn Wright @deepseadawn.bsky.social Seafloor mapper, Chief Scientist of smart mapping company Esri, Oregon State U. GIS/oceans professor, EC50, cyclist, 1st Black submersible diver to Challenger Deep, builds w/LEGO, raised in Hawaii. NAS, NAE, ORCID 0000-0002-2997-7611; She/her; views mine
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
@daiellis.bsky.social @daiellis.bsky.social 
Trevor Higgins @thiggins.bsky.social Energy & Environment at the Center for American Progress and @CAPAction.
Adjunct at Georgetown's McCourt School of Public Policy.
Alumnus of Senator Feinstein, Department of Energy.
Personal account.
Mark Gongloff @markgongloff.bsky.social Climate take farmer for Bloomberg Opinion
Scott Litzelman @scottlitz.bsky.social Climate Program Lead at Stripe and Frontier, buying permanent carbon dioxide removal (CDR). Washington Spirit supporter.
Sarah Cooley @co2ley.bsky.social Ocean advocate, community builder, climate scientist. I make sure the ocean interior is healthy so you don't have to. 
Rory Jacobson @rorypjacobson.bsky.social Former DOE. Trying to decarbonize and stay off the bad bird app.
Bill Weir @billweircnn.bsky.social Covering the fate of life on Earth for CNN
The Wonder List with Bill Weir is now streaming on HBOMax and LIFE AS WE KNOW IT (CAN BE) is available from your favorite bookseller.
Andy Reisinger @andyreisinger.bsky.social Climate science and policy. Also the occasional photo and random thoughts. Lead author IPCC AR7 WGIII (mitigation). Usual disclaimers...
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.
Joeri Rogelj @joerirogelj.bsky.social prof. climate science & policy | Imperial College London | 1.5C/net zero/carbon budget/pathways/justice | IPCC & UNEP lead author | ESABCC member | father
Peter Kalmus @climatehuman.bsky.social Climate scientist working at NASA/JPL and lover of truth. Arrested for defending Earth. Opinions mine. 
Edgar McGregor @edgarmcgregor.bsky.social San José State University Climate Science🌧🌴-- Climate activist conducting 1,900+ daily trash pickups.🌎🏜 -- He/Him -- Because the future is worth fighting for
Max Dugan-Knight @maxduganknight.bsky.social 📈 Data and climate guy
💼 Solutions Architect at Databricks
🇨🇦 based in Toronto
✍️ maxdk.substack.com
also Arsenal ⚽️ and hip hop 🎧
Sebastian Sippel @sebastian-sippel.bsky.social Junior Professor for Climate Attribution at @meteoleipzig.bsky.social 
Jan S. Fuglestvedt @janfuglestvedt.bsky.social Research Director, CICERO, Vice-chair IPCC Working Group III
Damon Matthews @damonmatthews.bsky.social Climate scientist at Concordia in Montreal, co-creator of climateclock.net, Director of sustainabilitydigitalage.org and member of Canada's Net-Zero Advisory Body. Interested in carbon budgets, nature-based solutions, and many other things
Michael White @mwclimatesci.bsky.social Climate science editor for @nature.com, handling submissions on atmospheric science, oceanography, the cryosphere, and hydrology. Podcast archive at https://forecastpod.org/.
Eric Hittinger @elephanteating.bsky.social Inaugural Director of RIT's School of Public Affairs, WILL International Chair at Univ. of Lille, & Past President of the US Association for Energy Economics. Batteries, renewables, electricity markets, and emissions. Sometimes I bike across the continent.
John Cook @johnfocook.bsky.social Researches climate & vaccine misinformation at the University of Melbourne. Founded SkepticalScience.com. Published Cranky Uncle vs. Climate Change. Developed the games Cranky Uncle (crankyuncle.com) and Cranky Uncle Vaccine (crankyunclevaccine.org)
Arnab Datta @arnabdatta.bsky.social Personal Account. Views my own & RT/Likes do not equal endorsements.
Currently at Employ America and IFP
Seaver Wang @wang-seaver.bsky.social Director, Climate and Energy at the Breakthrough Institute. 王思維. He/him. Oceanographer turned solution seeker. Ecomodernism is the way. PhD in Earth and Ocean Sciences.
CeCe Coffey @cececoffey.bsky.social FERC nerd hooked on energy law. Penn Law & CELI alumna. Proud Princeton 🐅. Spare time split between water polo, skiing, and #energysky
Auke Hoekstra @aukehoekstra.bsky.social Sharing hope and debunking FUD against electric vehicles and renewable energy. Director NEONresearch.nl @TUeindhoven Founder Zenmo.com.
Noah Kaufman @noahqkaufman.bsky.social Climate economist. Opinions are my own.
@shaylekann.bsky.social @shaylekann.bsky.social 
Tyler Kukla @tykukla.bsky.social Climate-carbon dynamics from the geologic past to the near future. CDR research scientist @CarbonPlan.org. Views my own.
Dr. Jennifer Pett-Ridge @jeffinerca.bsky.social Mom/mentor/microbial ecologist. Soil C persistence & CDR for healthy soils and climate resilience. Using stable isotope probing, ‘omics, systems analysis. Lead of LLNL Carbon Initiative, Microbes Persist, & Terraforming Soil Earthshot. Roads2Removal.org
Duncan S. Campbell @duncamp.bsky.social powering growth @scalemicrogrids and DER-pilling the youths @DER_Task_Force
Sam Hausfather @avlsam.bsky.social Retired dean of education and teacher. Father, husband, hiker, focused on social justice and climate.
Mary Robinette Kowal @maryrobinettekowal.com Hugo, Nebula, and Locus Award-winning and USA Today best-selling author, narrator, and professional puppeteer. Also has a talking cat. Latest title: Apprehension.
Raffi_RC @raffic.bsky.social 🇨🇦 troubadour. children's champion. ecology. Raffi Foundation for Child Honouring. beluga grads. 
Mark Boslough @boslough.bsky.social Physicist, airburst specialist, planetary defender, & CSI Fellow. I'm critical of the Younger Dryas impact hypothesis (YDIH) which has strong links to global warming denial, creationism, & pseudoarchaeology. It relies on misinformation & fake peer review. 
Elizabeth Kolbert @elizkolbert.bsky.social I am a New Yorker staff writer and author of "H is for Hope," "Under a White Sky," and "The Sixth Extinction," and “Life on a Little-Known Planet." Learn more at elizabethkolbert.com.
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.
Ayesha Tandon @ayeshatandon.carbonbrief.org Climate science correspondent at @carbonbrief.org
Robert McSweeney @rtmcswee.carbonbrief.org Senior Science Editor at Carbon Brief, with a fondness for baking and Arsenal FC. All opinions are my own, however dull they might be.
Jason Dove Mark @jasondovemark.bsky.social Former EIC of Sierra; former editor of Earth Island Journal. Author of the forthcoming book, The Earth Said Remember Me (July '26; Norton). Author of Satellites in the High Country. Lily's Dad. Gardener + Hiker. Posts = ill-considered opinions.
George Monbiot @georgemonbiot.bsky.social Ungainly on land
Lissa Harris 🌈🗑️🔥⚔️🐀 @lissaharris.bsky.social COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
Armand Domalewski @armanddomalewski.bsky.social Cohost of @everybodygetspie, a podcast from the team that brought you YIMBYs for Harris
Kelly Hereid @kellyhereid.bsky.social Climate scientist, geologist, and catastrophe modeler, Liberty Mutual. Posts on all things hurricane, wildfire, flood, earthquake, tornado. Sassy takes are mine not employer's.
📍Oakland, CA
Website: hereidk.strikingly.com
Stephane Hallegatte @hallegatte.bsky.social Chief Economic Advisor - Climate Change Group - the World Bank - toward Resilient Net Zero Development - personal opinions
Robbie Andrew @robbieandrew.bsky.social Senior scientist at Oslo-based CICERO Center for International Climate Research • 🌍Global Carbon Project • https://robbieandrew.github.io/
Jonathan Overpeck @greatlakespecktwo.bsky.social Environmental/Climate scientist for 35+ years; NAS Member. Samuel A. Graham Dean, @UMSEAS @UMICH. Tweets my own. Thinking grad school? Join us at @UMSEAS.
Matthew Hayek @matthewhayek.bsky.social NYU Associate Professor of Environmental Studies. Climate, animals, land use, and food systems. MatthewHayek.com
Michael Wehner @michaelfwehner.bsky.social Climate scientist
Tim Osborn @timosbornclim.bsky.social Climate variability and change | Professor of Climate Science & Director of Climatic Research Unit | UEA | Views expressed here are my own, not UEA's
Tamsin Edwards @flimsin.bsky.social Professor of Climate Change, King's College London. Climate science, communication, recovering/managing ME/CFS. 🏳️🌈 🇦🇶 🧊
Chris Jones @chrisd-jones.bsky.social Climate and carbon cycle modeller. Hadley Centre and U. Bristol, UK. 
Alaa Al Khourdajie @dralaaclimate.bsky.social #Climate #Energy #Scenarios | Advanced Research Fellow @imperialcollegeldn.bsky.social | Lead Author @ipcc.bsky.social AR7 | WP4 Lead @EU-DIAMOND | Guest Scholar @iiasa.ac.at | Editor @plosclimate.org | Dad
https://sites.google.com/site/akhourdajie/
Chris Smith @cjsmith.eu Climate scientist at IIASA. IPCC AR7 CLA. Responsive climate projections. The guy behind the fair model and radiative forcing barchart. Occasional runner and guitarist.
github.com/chrisroadmap | cjsmith.eu
Bjørn H. Samset @bjornsamset.bsky.social Climate scientist @ CICERO and NMBU, Norway. Communicator and popular science writer. IPCC AR6 WG1 author. Guitar and science fiction nerd.
https://orcid.org/0000-0001-8013-1833
https://cappelendamm.no/_2070-bjorn-h-samset-9788202677398
Prof Richard Betts @richardabetts.bsky.social Climate scientist, University of Exeter & Met Office. Expert Adviser to Adaptation Committee of the Climate Change Committee. Lead author IPCC AR4, AR5, AR6 & AR7. Live music lover, supporter of grassroots venues. Cycles a lot, rock climbs occasionally.
Malte Meinshausen @meinshausen.bsky.social The University of Melbourne & Climate Resource
Katie Mummah @nuclearkatie.com Nuclear engineer. nuclear: reactors, history, waste, nonproliferation, space, humor. "Tells uranium's life story". Lives in New Mexico. UW-Madison, UIUC alum. Outdoors when I'm not working. Views mine alone, like/rt not endorsements. she/her
Alec Stapp @alecstapp.bsky.social Co-founder IFP
Shanu Mathew @shanumathew.bsky.social Climate, Investing, NBA, & Rap. SVP, Portfolio Manager - Sustainable Investing. Prev: Head of ESG, HY Credit, Startup (acq.) IB. Own Views. RTs ≠ endorsement.
Xiao Wang @xiaowang1984.bsky.social Principal Engineer Semiconductor Industry and now a DER/Grid Edge worker as well! Opinions own
Mark Nelson @energybants.bsky.social Managing Director at Radiant Energy Group- N . @nathanenergy.bsky.social It's a me
Hope is justice @avarykent.bsky.social I’m an advocate for people and culture, impact investing, and reproductive freedom.
Richard Meyer @richardmeyer.bsky.social Vice President Energy Markets, Analysis and Standards @aga_naturalgas. Views my own.
Anu Khan @anukhan.bsky.social carbon removing, community seeking, bird watching
Rust Never Sleeps / George Morrison🇨🇦 @rustneversleeps.bsky.social Investment pro here for
• climate science, economics, solutions, policy, investment, impacts
• energy transition
• economics
Big on domain experts/expertise, abundance, potential.
*V* anti- fake experts, poseurs, snark, *esp.* climate-related.