Tero Mielonen @mielonen.bsky.social Atmospheric scientist working on aerosols and clouds.
Also, writer of things:
Otsonipäiväkirjat/The Ozone Diary,
Maailman tutkijat,
and Tiedettä valkokankaalla.
Member of KVAAK Kirja.
AeroCom @aerocom.bsky.social The AeroCom-project is an open international initiative of scientists interested in the advancement of the understanding of the global aerosol and its impact on climate.
Rose Yu @yuqirose.bsky.social Machine Learning Prof @UCSanDiego, #Physics-Guided #AI, MIT TR-35 Innovator. Website: roseyu.com
Eddy Keming Chen @eddykemingchen.bsky.social Philosopher @ UC San Diego. Author of Laws of Physics (Cambridge UP) and co-author of Nature Comment on AGI. https://www.eddykemingchen.net
Climate Change AI @climatechangeai.bsky.social Tackling climate change with machine learning. We facilitate cooperation and provide resources for those working in this area. Share is not endorsement. // https://www.climatechange.ai/
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
Emily Shuckburgh @eshuck.bsky.social Director, Cambridge Zero
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
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,
Steve Nesbitt @70dbz.bsky.social Associate Dean, College of LAS, Professor, Department of Climate, Meteorology & Atmospheric Sciences, University of Illinois. AMS Fellow; I'm a meteorologist that brakes for interesting cloud formations. Opinions mine. #BillsMafia swnesbitt.github.io
Kara D. Lamb @karadlamb.bsky.social Associate Research Scientist at Columbia University studying aerosols, cloud physics, & machine learning.
kdlamb.github.io
Jerry Lin 🇺🇦 @jlin404.com Postdoc at BU. Posts do not represent the views of my employer—only my own. Actively trying to improve my signal to noise ratio.
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.
Marcus van Lier-Walqui @mvanlierwalq.bsky.social atmospheric scientist trying to make clouds more fluffy, rain more wet, and climate models more climate-y. NYC, NASA/GISS, Columbia, LEAP.
Elizabeth A. Barnes @eabarnes.bsky.social AI for Environmental Science + Science of AI | Dalton Family Chair in Environmental Data Science & Sustainability | Professor of Computing & Data Sciences and of Earth & Environment @ Boston University
Adam Sobel @adamsobel.bsky.social Atmospheric scientist
Paige Bailey (webpaige.dev) @dynamicwebpaige.bsky.social ✨ Keep it simple, make it scale. AI should be about empowering users and building understanding. 👩💻 AI Developer Experience @ Google DeepMind, ex-Github, ex-Google
Ashesh Chattopadhyay @ashesh6810.bsky.social Scientific ML, ML theory, ML for climate, fluids, dynamical systems. Asst. Prof of Applied Math at UCSC. https://sites.google.com/view/ashesh6810/home
Scott Hosking @scotthosking.bsky.social Director in Environment and AI Research | @theturing.bsky.social
scotthosking.com
Julien Brajard @brajard.bsky.social Senior Researcher at the Nansen Center in Bergen. Working with machine learning, Earth System modeling, and data assimilation.
Jakob Runge @jakobrunge.bsky.social Professor of AI in the Sciences at University of Potsdam // causalinferencelab.com
Joseph Hardin @drjosephhardin.bsky.social Apple Weather Forecasting Lead. Machine learning, weather research and radar.
Galen McKinley @oceancarbon.bsky.social Ocean carbon, global carbon, climate with models and ML. Professor at Columbia DEES and Lamont-Doherty Earth Observatory.
Ryan Abernathey @rabernat.bsky.social Scientist and Startup Founder
Co-Founder and CEO @Earthmover
@pangeo_data steering council member
ex-Professor @Columbia @LamontEarth
Jack Kelly @jack-kelly.com Building open source ML to reduce CO₂ emissions from the electricity grid
• Python, climate, forecasting weather & energy, AI, open data & science, Rust
• Now: Co-founder @openclimatefix.org
• Prev: DeepMind, NESO, Imperial
• https://github.com/jackkelly
Dr. Ryan Lagerquist @ralagerwx.bsky.social He/him | Meteorologist using AI and machine learning | Ultra-running | Cycling | Mountains | Heavy metal | Cats | #LeafsForever
Brian Groenke @bgroenke.bsky.social Scientist, (Bayesian) data nerd, software engineer, and researcher at the Potsdam Institute for Climate Impact Research @pik-potsdam.bsky.social working at the intersection of machine learning, statistics, and computational geoscience. Opinions my own.
.brian Medeiros @brian-medeiros.bsky.social clouded 🌨️
@m2lines.bsky.social @m2lines.bsky.social 
Joe Hamman @jhamman.bsky.social Climate scientist, engineer and human. Co-founder/CTO @earthmoverHQ. @xarray_dev / @pangeo_data dev. Formerly
@carbonplanorg, @NCAR_Science, and @uw_cee. He/him.
@xarray.bsky.social @xarray.bsky.social 
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
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!
Wikipedia @wikipedia.org Maybe the real treasure was the citations we made along the way.
donate.wikipedia25.org
Shima Shams, PhD @shima-shams.bsky.social Scientist |NSF NCAR | Researcher | Remote sensing | air quality | Data assimilation |science communication | stakeholder engagement |
Reader I Aspiring homesteader | Traveller | photography enthusiastic
opinions are my own!
Dr. Stephanie Henderson @drsahenderson.bsky.social Atmospheric Scientist. Assistant Prof at the University of Wisconsin-Madison. Subseasonal to seasonal variability, tropical-extratropical interactions, MJO, climate dynamics, and blocking. Opinions are my own.
https://stephanieahenderson.weebly.com/
NSF NCAR Computational & Information Systems Laboratory @ncar-cisl.bsky.social Advancing Earth system science research by providing
scientists with large-scale computing capabilities, access
to datasets, and innovative analysis tools.
cisl.ucar.edu
Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
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.
Joe Ko @joe-ko.bsky.social Postdoc at LEAP / Columbia University at the intersection of atmospheric science and AI for science. Currently studying ice clouds ❄️☁️
David John Gagne II @djgagnedos.bsky.social Machine Learning Scientist at NSF NCAR in Boulder, CO. Interested in the linkages among AI, weather, climate, disasters, and impacts. 
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
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
Stuart Geiger @stu.lu just a digital trace | Asst Prof at UC San Diego, Comm & Data Science | opaque sociotechnical systems, power, and publics | ethnographer of computation & computational ethnographer | humanities of the digital & digital humanities | https://stu.lu | he/they
LEAP-STC @leapstc.bsky.social Revolutionizing climate projections by integrating climate and data science, through innovation, diversity, legacy, and impact.
{ MAIN: leap.columbia.edu }
{ EVENTS: leap.columbia.edu/events }
{ NEWS: leap.columbia.edu/news }
Viviana Acquaviva @venividivivi.bsky.social Astrophysicist turned Climate Scientist | AI for Science | Professor of Physics at @cuny.bsky.social; happy camper at @leapstc.bsky.social | Author, ML for Physics and Astronomy: https://shorturl.at/VJ9k9 | Lover of puns, data, good people, and unfinished 
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Johannes Quaas @jquaas.bsky.social Theoretical Meteorology, Leipzig University
Clouds and climate, biodiversity and climate, aerosols and clouds
Nature @nature.com Research, news, and commentary from Nature, the international science journal. For daily science news, get Nature Briefing: https://go.nature.com/get-Nature-Briefing
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
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/
Stuart Jenkins @stuartjenks.bsky.social Piano, Bonhoeffer, Buber, Bach, swifts, ethanol, Calderdale, tenor, toast, tea, test matches, reptiles. 
Nick Leach @nickleach.bsky.social climate change, extreme weather, forecasting. minds the gap between academia and industry
Stephan Rasp @raspstephan.bsky.social 
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.
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
Prof Paul Williams @profpaul.bsky.social Professor of Atmospheric Science at University of Reading. Studies turbulence, jet streams, aviation, climate change.
https://www.met.reading.ac.uk/~williams/
Mike Pritchard @mikepritchard.bsky.social Director of Climate Simulation Research at NVIDIA and Professor of Earth System Sciences at UC Irvine. Let’s make better use of modern AI and HPC, improve the Earth simulation technology stack, and better understand cloud climate feedbacks.
Gunnar Myhre @gunnarmy.bsky.social Climate researcher at CICERO
Philip Stier @philipstier.bsky.social Climate researcher, Professor of Atmospheric Physics
@oxfordphysics.bsky.social
Director @intelligentearth.bsky.social
Pete Irvine @peteirvine.bsky.social Editorial Director and Co-Founder of SRM360.org
Studying sunlight reflection methods at UChicago's Climate Systems Engineeringing Initiative
María J. Molina @handle.invalid Assistant Professor at the University of Maryland, College Park. Machine learning for extreme weather and climate. Committed to training future scientists. She/her. 🌎🐢 mariajmolina.github.io
Pedram Hassanzadeh @pedramh.bsky.social Professor of climate science + applied math, University of Chicago @UChicago. AI for Climate Initiative (AICE). Extreme weather, scientific ML, climate change & turbulence. 
Amy McGovern @profamymcgovern.bsky.social Professor in Meteorology and Computer Science, Director of the NSF AI Institute for Research on Trustworthy AI in Weather, Climate, and Coastal Oceanography (AI2ES), mom to @wrmf.bsky.social and @agileschnauzers.bsky.social
Climate Informatics @climformatics.bsky.social Climate Informatics: the intersection of #climatescience and #datascience. Research community and international conference (held annually since 2011).
http://www.climateinformatics.org
Salva Rühling Cachay @salvarc7.bsky.social ML PhD student at UC San Diego. Into AI for Science, especially climate & weather.
https://salvarc.github.io/
David Rolnick @drolnick.bsky.social Assistant Professor in Computer Science, McGill University /
Mila Quebec AI Institute. Co-Founder and Chair, Climate Change AI. MIT Tech Review "Innovator Under 35". he/him/his
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
ICLR Conference @iclr-conf.bsky.social International Conference on Learning Representations https://iclr.cc/
Ai2 Climate Modeling @ai2-climate.bsky.social A scientific research team dedicated to using machine learning to improving our ability simulate the climate
Stephen King @stephenking.bsky.social Writer
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer of stuff.
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Scripps Institution of Oceanography @scrippsocean.bsky.social Understanding and protecting the planet since 1903.
📍UC San Diego
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
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
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
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Stephan Hoyer @handle.invalid Building AI climate models at Google. I also contribute to the scientific Python ecosystem, including Xarray, NumPy and JAX.
Opinions are my own, not my employer's.
Valérie Masson-Delmotte @valmasdel.bsky.social PhD, climate scientist @lsce-ipsl.bsky.social @CEAParisSaclay @IPSL_outreach @hc_climat. Was co-chair @ipcc.bsky.social (AR6 WGI). Member of French Academy of Technology and Academy of Sciences.
Owen Jones @owenjones.bsky.social Socialist, antifascist, writer in various places, geriatric millennial, GQ's 9th Worst Dressed Man in 2016. He/him. YouTube channel http://bit.ly/33iARb3 🏳️🌈
Jacquelyn Gill @jacquelyngill.bsky.social Climate, extinction, and biodiversity scientist at the University of Maine researching Earth’s past for a better future. Writing and podcasting for the planet. Chaotic good professor. She/her.
David Ho @davidho.bsky.social Climate scientist; ocean carbon cycle and climate solutions. Professor @soest.hawaii.edu, University of Hawaiʻi at Mānoa; Visiting Faculty, Arizona State University. https://linktr.ee/david_ho
Peter Gleick @petergleick.bsky.social Climate, water, birds, bluegrass mandolin. Member US National Academy of Sciences, MacArthur Fellow, Carl Sagan Prize, author of The Three Ages of Water (2023) and When the Well Runs Dry (2026). Email me at pgleick (at) gmail.
Pierre Friedlingstein @pfriedling.bsky.social Born at 321 ppm. Climate & Carbon Cycle Scientist. Prof @UniofExeter Directeur de Recherche @CNRS @GlobalCarbonProject
Scott Osprey @sosprey.bsky.social Expat kiwi interested in global teleconnections; Co-lead of @WCRPclimate.bsky.social QBOi and Explaining & Predicting Earth System Change WG2 | University of Oxford @oxfordphysics.bsky.social & National Centre for Atmospheric Science @ncas-uk.bsky.social
George Monbiot @georgemonbiot.bsky.social Ungainly on land
Leah Stokes @leahstokes.bsky.social Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
Tim Garrett @nephologue.bsky.social Professor of Atmospheric Sciences at the University of Utah. All opinions predetermined and not my employer's.
Kai Kornhuber @kornhuber.bsky.social Theme Lead Weather Extremes & Climate Dynamics at IIASA, adj. assoc. Research Scientist LDEO, Co-Chair Risk KAN
Milan Klöwer @milank.bsky.social Climate scientist. NERC Research Fellow @UniofOxford, prev Schmidt AI in Science; PostDoc @MIT, PhD @UniofOxford. #JuliaLang, open source, low carbon, free education, vegan, 🗻+🚲+🛥️. Cars ruin cities. *354ppm he|him
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
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/
Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com
Cristi Proistosescu @cristiproist.bsky.social Assistant Professor - School of Earth Sciences @ Illinois
cristi.pro
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/
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com