Dave Bonan @davebonan.bsky.social I study the processes governing Earth's climate system and how it changes.
CICOES Postdoctoral Fellow at UW.
www.davebonan.com
Richard Allan @rpallanuk.bsky.social Professor of climate science at the University of Reading: http://www.met.reading.ac.uk/~sgs02rpa/
Leon Simons @leonsimons.com Mission: To understand & protect the home planet.
Innovator, climate research & communication, social entrepreneur.
Board member Club of Rome NL
Andrew Williams @andrewilwilliams.bsky.social Postdoc at UC San Diego | physics of climate 🌤️ 🌍 | PhD Oxford | views my own | he/him
andrewilwilliams.github.io
Proceedings of the National Academy of Sciences @pnas.org Explore groundbreaking news and research from PNAS, one of the world's most-cited scientific journals. Discover its sibling journal, @pnasnexus.org, both official research journals of the U.S. National Academy of Sciences. Visit www.pnas.org for more info.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
National Weather Service @nws.noaa.gov Official Bluesky account for NOAA's National Weather Service.
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
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
Naomi Oreskes @naomioreskes.bsky.social Historian, Earth Scientist, Writer, Public Intellectual.
Books: Merchants of Doubt; Collapse of Western Civilization; Science on a Mission; Discerning Experts; Why Trust Science?; The Big Myth. Loves: Chocolate, Red Wine, Skiing, family. Hates: Beets.
Noah Kaufman @noahqkaufman.bsky.social Climate economist. Opinions are my own.
Marshall Shepherd @drshepherd2013.bsky.social Weather-Climate professor and scientist, Host of Weather Geeks, Forbes Senior Contributor, Alpha, 3xFSU Alum...Tweets and RTs are mine but not endorsements
Lyssa Freese @lfreese.bsky.social Climate, air quality, energy, equitable solutions
Otherwise in the mountains, throwing pots, or making dad jokes
Opinions my own, not my employer's.
Massachusetts Institute of Technology @mit.edu This is the official Bluesky account for MIT. We are currently not active on this platform.
MIT EAPS @eapsmit.bsky.social The MIT Department of Earth, Atmospheric & Planetary Sciences (EAPS) pursues the study of Earth, Planets, Climate & Life under one intellectual roof.
AGU Advances @aguadvances.bsky.social AGU Advances is a cross-disciplinary, open access journal publishing full length, high-impact research articles across all of the Earth and space sciences.
Joey Schnaubelt @jschnaubelt.bsky.social Paleoclimate, climate modeling, atmospheric rivers, the Last Interglacial, ice sheets, grad student at UConn. He/him. 🏃🚴🧗
NSF NCAR & UCAR @ncar-ucar.bsky.social We're committed to advancing our understanding of Earth system science, from the ocean to the exosphere, for the betterment of our planet. 🌎 Operated by UCAR and #NSFfunded.
Sylvia Dee @drspeedydee.bsky.social Climate Scientist at Rice University
Clare E. Singer @claresinger.bsky.social Researching clouds & climate @ CU Boulder 🌧🌎 • ex-NOAA GFDL • NOAA C&GC Fellow '24 at LDEO • Caltech ESE PhD '23 • UChicago Physics BA '18 • she/her • All views expressed are my own and do not necessarily reflect those of my employer.
Andrew Gettelman @andrewgettelman.bsky.social Atmospheric scientist, cloud physicist, gravel biker
NSF NCAR CGD Laboratory @ncar-cgd.bsky.social Advancing the understanding of Earth system variability and addressing the risks. Home of #CESM
Shaun Marcott @shaunmarcott.bsky.social Earth Scientist interested in glacier and climate change.
Bronwen Konecky @otherrock.bsky.social Assistant Prof, researcher of tropical climate/paleoclimate, stable isotopes, biomarkers, models, mud. Runs on geoscience & music (the 'other kind of rock'). More geoscience and less music these days, but here's hoping. she/her
Dan Lunt @climatesamwell.bsky.social Climate. Climate Modeller. Paleoclimate Modeller.
IPCC Lead Author.
University of Bristol, UK.
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
Eric Maloney @ericmaloney.bsky.social Fort Collins denizen, tropical meteorologist, climate scientist, CSU faculty and Department Head 
Marshall Burke @marshallburke.bsky.social unsolicited commentary on economics and the environment. Stanford prof, +co-founder AtlasAI
Samuel Brenner @sdbrenner.bsky.social PhD in physical oceanography from the University of Washington.
🇨🇦(he/him)
https://sdbrenner.github.io/
Dan Visioni @danvisioni.bsky.social Climate scientist studying aerosols, chemistry, radiation, climate & society from Volcanoes 🌋and Climate Intervention. Assistant Professor at Cornell EAS, from 🇮🇹proudly🏳️🌈 More at https://dan-visioni.github.io/ and https://www.wcrp-climate.org/ci-overview
Florent Brient @florentbrient.bsky.social Climate scientist and associate professor (Maître de conférences).
Enjoy and study clouds
Sorbonne Université / Laboratoire de Météorologie Dynamique / IPSL
https://web.lmd.jussieu.fr/~fbrient/
Flavio Lehner @climateflavors.bsky.social Climate Scientist
Assistant Professor @ Cornell University
Chief Climate Scientist @ Polar Bears International
https://flaviolehner.eas.cornell.edu/ 
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Gordon Inglis @climategordon.bsky.social Climate scientist currently on secondment at DESNZ working in Energy Security | Royal Society Dorothy Hodgkin Fellow & Principal Research Fellow at University of Southampton |
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
Claire Zarakas @czarakas.bsky.social Climate scientist. Thinking about interactions between land, climate, and society & applying research to advance climate action
Schmidt Science Fellow @carbonplan.org and @UCIrvine. Atmospheric Sciences PhD @UW. Opinions my own.
Prof Friederike Otto @frediotto.bsky.social 🇬🇧 🇪🇺 physicist, philosopher, lead https://www.worldweatherattribution.org/, author of Climate InJustice https://greystonebooks.com/collections/current-affairs-politics/products/climate-injustice, she/her
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
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Andreas Schmittner @andreasschmittner.bsky.social Climate scientist, ocean, ice, biogeochemistry, paleo, modeling 🌦️🌎🌊❄️🌡️🥼🔬💻🦖
Gavin Foster @thefosterlab.bsky.social Palaeoclimatologist and isotope geochemist at the University of Southampton. Love/hate relationship with mass spectrometers. Researcher of climate science, coral reefs, biomineralisation, laser ablation, isotopes and geology. Views my own
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.
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
Dr. Tripti Bhattacharya @triptychphrases.bsky.social Monsoon enthusiast, cat mom, occasional musician. Associate Professor at Syracuse University, Principal Investigator of Paleoclimate Dynamics Lab. https://trbhatta.expressions.syr.edu/. Reposts are not endorsements. Views are my own.
Andrea Burke @oceanicandrea.bsky.social Climate geochemist studying past climates and volcanism using isotopes in ice and corals. Mom of two, runner, and big fan of Taylor Swift 💃
Prof. Stefan Rahmstorf @rahmstorf.bsky.social Climate scientist, professor of Physics of the Oceans in Potsdam. Dad. Opinions my own.
Born at 317 ppm CO2.
James Rae @mudwaterclimate.bsky.social Climate scientist and geochemist
@UnivofStAndrews
| CO2 & ocean circulation past & present | Social & Environmental justice
John Fasullo @jfasullo.bsky.social Climate scientist at the NSF National Center for Atmospheric Research and ATOC at the University of Colorado. https://staff.cgd.ucar.edu/fasullo/index.html
Woods Hole Oceanographic Institution @whoi.edu We're the world's largest independent non-profit dedicated to ocean research, exploration, and education. Join us!- M @markjwebb.bsky.social @markjwebb.bsky.social
Charlie Koven @ckoven.bsky.social Climate and carbon cycle scientist. I help make computer models of the biosphere and experiment on them so that we don't have to on the real one.
https://scholar.google.com/citations?user=fB5Lnz4AAAAJ
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
Kaighin McColl @kaighin.bsky.social Associate Professor, Harvard
Department of Earth and Planetary Sciences and School of Engineering and Applied Sciences.
Land-atmosphere interactions, hydroclimate, land climate. Australian.
https://www.kaighin.org/- R Rodrigo Caballero @rodrigocaballero.bsky.social
Paulo Ceppi @pauloceppi.bsky.social Climate scientist at Imperial College London
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
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
James Annan @jdannan.bsky.social jamesannan on twitter before it went down the shitter, climate scientist (as was - now retired) occasionally weighing in on various topics. Also @jdannan@fediscience.org (mastodon) and http://blueskiesresearch.org.uk/
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
Met Office - weather and climate @metoffice.gov.uk Official UK Met Office account. Get the weather in your hand with our app: http://linktr.ee/MOContent
Adam Sobel @adamsobel.bsky.social Atmospheric scientist
Benjamin Cook @dustybowl.bsky.social Climate scientist studying drought, land surface processes, climate extremes. https://www.drbenjamincook.net/
Bob Kopp @bobkopp.net #Climate & sea level science + policy. Rutgers University. All views my own. www.bobkopp.net
David Romps @davidromps.com Climate physics
CarbonPlan @carbonplan.org We help climate solutions live up to their potential through transparency, accountability, and scientific integrity. www.carbonplan.org
Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
Marc Alessi @marc-alessi.bsky.social PhD Climate Scientist, Union of Concerned Scientists | Colorado State/Cornell alum | Syracuse, NY | opinions my own #JoinYourUnion
Jesse Kroll @jessekroll.bsky.social atmospheric chemist at MIT; also does other stuff sometimes
David A Bailey @dabail10.bsky.social Scientist at NSF NCAR. CESM PCWG liaison. Interested in sea ice and Earth system modelling. Associate Editor at GRL. Running, ice hockey, curling. 🇨🇦🇺🇸 Opinions are all my own.
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.
Chad Thackeray @cthackeray.bsky.social Climate Scientist @UCLA
https://scholar.google.com/citations?user=7kpEZmsAAAAJ&hl=en
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
Blaž Gasparini @blazgaspa.bsky.social Clouds and climate; Oblakolog;
Cloudy, not blue sky!
Senior scientist @univie.ac.at; previously @UW Atmos Sci, PhD @usyseth.bsky.social
https://blazgasparini.wixsite.com/blaz-gasparini-site
https://klimadynamik.univie.ac.at
Justin S. Mankin @jsmankin.bsky.social climate scientist || documenting and predicting climate impacts || professor @dartmouth
https://geography.dartmouth.edu/people/justin-s-mankin
https://jsmankin.github.io/ 
Mitch Bushuk @the-iceman.bsky.social Climate Scientist at NOAA GFDL | Interested in Polar Climate Change and Predictability | gfdl.noaa.gov/mitch-bushuk
Brian Smoliak @briansmoliak.is entrepreneur, climate scientist, & servant leader. co-founder, CEO @weathervane.app; co-founder, partner @twodegreesadapt.com
Tyler Kukla @tykukla.bsky.social Climate-carbon dynamics from the geologic past to the near future. CDR research scientist @CarbonPlan.org. Views my own.
Christian Franzke @chlef.bsky.social #climate #scientist studies #climatechange , climate variability, #extremeevents , #health and #risks
https://climatelaboratory.wordpress.com/
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.
Kris Karnauskas @oceansclimatecu.bsky.social Climate scientist leading the Oceans & Climate Lab @cuboulder.bsky.social | Associate Professor of Atmospheric & Oceanic Sciences | Fellow of @ciresnews.bsky.social | Editor-in-Chief @agu.org Geophysical Research Letters | www.colorado.edu/oclab
Alex Turner @bayesicallyalex.bsky.social Assistant Professor at UW Atmospheric and Climate Science
Atmospheric Chemistry & Carbon Cycle
https://alexjturner.github.io/
Robert Rohde @rarohde.bsky.social Chief Scientist for @berkeleyearth.org.
Physics PhD & data nerd. Usually focused on climate change, fossil fuels, & air quality issues.
Chris Colose @ccolose.bsky.social Climate scientist. Interested in past, present, and future Earth and planetary climates.
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.
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/.
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/
Jiang Zhu @climate-z.bsky.social Climate scientist on paleoclimate modeling
At NSF National Center for Atmospheric Research
Dr. Hell, M.C. @mohell.bsky.social WHOI assistant scientist for winds, waves, and water
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
Duncan Watson-Parris @dwatsonparris.bsky.social Climate scientist @UCSD using machine learning to improve our understanding of clouds and aerosols. 🏄♂️
Find out more about the Climate Analytics Lab here: https://climate-analytics-lab.github.io/
Mark Zelinka @mzelinka.bsky.social Climate scientist @ LLNL
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
Polina Khapikova @pkhapikova.bsky.social Caltech PhD candidate researching extreme heat, soil moisture, and atmospheric circulation | Interested in climate impacts, natural hazards, energy, and their intersections
Pierre Gentine @pierregentine.bsky.social Professor @Columbia University, Director of @LEAPstc NSF Science and Technology Center, Working on #climate, #water and #ecology, born at 335ppm, views my own
Emily Gordon @emilygordynz.bsky.social Lecturer @ University of Auckland | Climate variability + data science | emilymgordon.com
Henri F. Drake @henrifdrake.bsky.social Physical Oceanographer
Assistant Professor at UC Irvine
https://faculty.sites.uci.edu/drakelab/
Opinions my own, not my employer's
American Meteorological Society @ametsoc.org AMS is a professional organization that advances the atmospheric and related oceanic and hydrologic sciences in service to society.
https://www.ametsoc.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/
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