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
Natassa Romanou @aromanou.bsky.social Oceans. Climate. Society. And everything in between. Climate scientist and numerical modeler, aka Anastasia Romanou. AR7 Tipping Points aficionado. Views my own -not anyone else's.
David Corn @davidcorn.bsky.social Washington bureau chief, Mother Jones. Author of the forthcoming HOW RUSSIA WON and the OUR LAND newsletter. Go to davidcorn.com. On Signal: DavidCorn.99
Gareth (Gary) Trubl @gtrubl.bsky.social Dad; Staff scientist at Lawrence Livermore National Lab; first generation PhD; He/Him pronouns; I study climate change, soil viruses, ecology, microbial ecophysiology, biogeochemistry, and astrobiology using meta-omics combined with stable isotope probing
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
Nick Lutsko @nick-lutsko.bsky.social Associate Professor of Climate Science at Scripps Institution of Oceanography/UCSD.
More at: https://www.sio-climatephysics.com/ and https://notesonclimate.substack.com/
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
Doug McNeall @dougmcneall.bsky.social Science Lead for Data-Driven Climate Modelling @ UK Met Office | University of Exeter | AI, UQ, Countering mis/disinformation.
dougmcneall.com
John Kennedy @micefearboggis.bsky.social Occasional climate scientist, diagram monkey, probabilistic historian, science anti-communicator. All views and opinions are my own. This is not, sadly, a promise of novelty: it’s a disclaimer. He/him. https://www.jkclimate.fr/
Roger Pielke Jr. @thehonestbroker.bsky.social undisciplined scholar and recovering academic @AEI @DNVA1 @CUBoulder @UCL | Subscribe to The Honest Broker ➡️ http://rogerpielkejr.substack.com
Graeme MacGilchrist @gmacgilchrist.bsky.social Oceanographer and climate scientist. Senior research fellow at U. of St Andrews.
NY Times Pitchbot @nytpitchbot.bsky.social I have never felt more politically homeless. Parody. Merch: https://tinyurl.com/msjjmwpt
Leon Simons @leonsimons.com Mission: To understand & protect the home planet.
Innovator, climate research & communication, social entrepreneur.
Board member Club of Rome NL
Climate Town @climatetown.bsky.social Solve climate change or die trying.
Full videos on YouTube👇
https://linktr.ee/climatetown
Andrew Freedman @afreedma.bsky.social Senior Reporter, Weather & Climate @cnn. Priors: Axios, WaPo | Alum: The Fletcher School, Columbia Climate & Society | Tips: andrew.freedman@cnn.com | afreedman@protonmail.com | Signal: @afreedmanclimate.03
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)
Matt Luongo @luongomatt.bsky.social Climate Scientist & Oceanographer ☀️🌬️🌊
CICOES Postdoc at UW | Scripps Ocean PhD
Seattle, WA
Robert Rohde @rarohde.bsky.social Chief Scientist for @berkeleyearth.org.
Physics PhD & data nerd. Usually focused on climate change, fossil fuels, & air quality issues.
Tony DelGenio @tonydelgenio.bsky.social Retired Earth climate and planetary scientist. Current New York Giants football writer for SB Nation Big Blue View. Oenophile. Whovian.
Chelsea Harvey @chelseaeharvey.bsky.social Climate & extreme weather reporter | POLITICO | PEN Guild | Former (and forever) E&E News | NYC via NC SC AL WV
TIPS: charvey@politico.com | chelseaeharvey@protonmail.com |
Signal @chelseaeharvey.01
US CLIVAR @usclivar.bsky.social US Climate Variability and Predictability Program - Investigating the global climate system across multiple time scales emphasizing the role of the ocean.
Learn more at usclivar.org
Tim Andrews @tim-andrews.bsky.social Research Scientist | Met Office Hadley Centre
Associate Professor | University of Leeds
Climate and Atmospheric Science
https://timothyandrews.github.io/
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
Thibault Vaillant de Guélis @thibaultvdg.bsky.social Remote Sensing & Climate Scientist
Kevin Anchukaitis @thirstygecko.bsky.social Climate scientist, paleoclimatologist, dendrochronologist, University of Arizona | https://kanchukaitis.github.io/ | Opinions are mine and not that of my employer
Brian Rose @brianejrose.bsky.social Climate scientist at the University at Albany. I like open science, math, music, tinkering with computer code, and many other things.
The Weather & Climate Livestream @wclivestream.bsky.social
50 hours for our future starting June 1st, 2026.
Working to #SaveAmericasForecasts through sharing the importance of weather and climate science. [Photo: NYTimes]
Learn more: wclivestream.com/
Paulo Ceppi @pauloceppi.bsky.social Climate scientist at Imperial College London
Stephen King @stephenking.bsky.social Writer
Ben Sanderson @benmsanderson.bsky.social Climate scientist at CICERO, Oslo. I try to talk about climate science, but inevitably start talking about trains and bicycles if left unattended.
Chris Murphy @chrismurphyct.bsky.social U.S. Senator from Connecticut.
Rolling Stone @rollingstone.com The latest news and more from Rolling Stone magazine and http://RollingStone.com. Got a tip? Share it here: http://rol.st/tips
The Onion @theonion.com America’s Finest News Source. A @globaltetrahedron.bsky.social subsidiary.
Get the paper delivered to your door: membership.theonion.com
Join The Onion Newsletter: https://theonion.com/newsletters/
Eos @eos.org Eos is a leading source for trustworthy news and perspectives about the Earth and space sciences and their impact. Published by the American Geophysical Union (@agu.org).
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
AGU Global Environmental Change Section @gec-agu.bsky.social Bluesky account for @agu.org Global Environmental Change Section.
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Michael E. Mann @michaelemann.bsky.social Scientist/Author/Speaker; Presidential Distinguished Prof/Director Center for Science, Sustainability & the Media, U. Penn; National Academy of Sciences; American Academy of Arts & Sciences; Royal Society; Tyler Prize
Johannes Quaas @jquaas.bsky.social Theoretical Meteorology, Leipzig University
Clouds and climate, biodiversity and climate, aerosols and clouds
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Paul Voosen @voosen.me Dad of two. Earth, climate, and planetary science reporter @Science.org magazine. Mistrusts narratives; still writes them.
https://www.science.org/content/author/paul-voosen
https://sciencemastodon.com/@voooos
voosen@protonmail.com
Signal: @voosen.01
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
God @thegodshow.com Creator of the Universe.
thegodshow.com
https://youtube.com/@thegodshowlive
Sen. Adam Schiff @schiff.senate.gov Husband. Father. U.S. Senator for California. Fighting for an economy that works for everyone and for our democracy.
Zack Labe @zacklabe.com Climate Scientist at @climatecentral.org | PhD | Passionate about improving science communication through data-driven stories | Harrisburg, PA | https://zacklabe.com/
Views, thoughts, and opinions expressed here are only my own.
Jessica Tierney @leafwax.bsky.social Climate scientist living in the Sonoran Desert. Analyzer of leaf waxes to learn about past climate change. Professor at the University of Arizona. I also like birds, nature, pets🦉🌿🐕 | Opinions are mine, not those of my employer
Cristi Proistosescu @cristiproist.bsky.social Assistant Professor - School of Earth Sciences @ Illinois
cristi.pro
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
Roger Aines @rogeraines.bsky.social Carbon removal, photography, science communication. Check out the book Championing Science by Amy Aines and me. Most of my birds live in Livermore, California.
Kim Cobb @kimcobb.bsky.social 40% Climate Scientist, 40% Mom, and 20% Indiana Jones. Unapologetically obsessed with carbon. Lawrence & Barbara Margolis Director, http://ibes.brown.edu. She/her. Views my own
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Peter Stott @stottpeter.bsky.social Climate Scientist at Met Office and University of Exeter. Author of Hot Air: The Inside Story of the Battle Against Climate Change Denial
Peter Cox @coxypm.bsky.social Climate scientist who believes that the world is simpler than it looks. Director of Global Systems Institute, University of Exeter
Deke Arndt @deke-arndt.bsky.social I'm the Director of NCEI, and work with amazing people, but this is my personal account. Climate. Data. Risk. Okie stuff. Asheville stuff. Sugar by the bushel; molasses by the ton. Skipping leg day since 1998. 
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
Malte Meinshausen @meinshausen.bsky.social The University of Melbourne & Climate Resource
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.
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
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
Chris Jones @chrisd-jones.bsky.social Climate and carbon cycle modeller. Hadley Centre and U. Bristol, UK. 
Tamsin Edwards @flimsin.bsky.social Professor of Climate Change, King's College London. Climate science, communication, recovering/managing ME/CFS. 🏳️🌈 🇦🇶 🧊
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
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.
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/.
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
Jan S. Fuglestvedt @janfuglestvedt.bsky.social Research Director, CICERO, Vice-chair IPCC Working Group III
Sebastian Sippel @sebastian-sippel.bsky.social Junior Professor for Climate Attribution at @meteoleipzig.bsky.social 
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
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)
Michael Wehner @michaelfwehner.bsky.social Climate scientist
NOAA @noaa.gov NOAA provides science, service and stewardship to protect life, property & Earth's natural resources. An agency of the Department of Commerce. Join us on Instagram & Facebook. Official NOAA account.
NOAA Climate.gov @climate.noaa.gov Toward a Climate-Smart Nation. The official NOAA account for Climate.gov hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
National Weather Service @nws.noaa.gov Official Bluesky account for NOAA's National Weather Service.
R. Saravanan @sarava.net Climate scientist, Professor at Texas A&M University.
Book: ClimateDemon.com, https://Metamodel.blog, https://github.com/mitotic, More: https://r.saravanan.us
Check out my curating Bluesky client https://Skylimit.dev: 2.7, #climate, #skylimit,
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/
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Andrew Dessler @andrewdessler.com Prof of Atmospheric Sciences & climate scientist @ Texas A&M; AGU and AAAS Fellow; Native Texan; find out what I think at https://www.theclimatebrink.com/