Erik Hansen @erik-hansen.bsky.social Chief Sustainability Officer @Workday. Live in SF. All opinions my own.
Anu Khan @anukhan.bsky.social carbon removing, community seeking, bird watching
Peter Thorne @peterthorne.bsky.social Climate scientist, director ICARUS Climate Research Centre, Maynooth University, Ireland, author IPCC AR6, member Ireland's climate change advisory council, Chair GCOS AOPC. www.peter-thorne.net
Baylor Fox-Kemper @baylorfk.bsky.social Oceanography, Climate & Music all at #BrownUniversity. Opinions my own, facts are everybody's.
https://fox-kemper.com
James Renwick @cubaraglanguy.bsky.social Kiwi guy living in paradise. Climate scientist, cyclist, woodworker, whisky drinker.
Born at 315ppm carbon dioxide.
Mathew Barlow @mathewabarlow.bsky.social Climate scientist at UMass Lowell: droughts, floods, extreme events, & climate change. IPCC WG1 AR6 lead author. Skunk cabbage fan. he/him/his. Shocked but not awed.
Google Scholar: https://scholar.google.com/citations?user=qWV-WIQAAAAJ&hl=e
Sherilee Harper @sherilee.bsky.social Canada Research Chair in Climate Change & Health | Professor, University of Alberta | Lead Author IPCC #SROCC & WGII #AR6 | IPCC WGI Vice Chair
Adelle Thomas @adellethomas.bsky.social Adaptation & Loss and Damage Researcher
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.
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
Prof Julia Steinberger 🌹🌱🌍 #ClimateAction #Fightfascism @jksteinberger.bsky.social Ecosocialist bluestocking. Immigrant & settler 🇪🇺🇨🇭🇺🇸🇬🇧. Social ecology & ecological economics at Uni Lausanne in 🇨🇭. Bad at email. She/her
Yamina Saheb @yamsaheb.bsky.social #PoliticalEconomyResearcher #IPCCAR6author
#climatemitigationpolicies #sufficiency
Lecturer #climaterisks #energysystems #sufficiency
Felix Creutzig @efesce.bsky.social Bennett Chair University of Sussex and PIK Potsdam.
Climate change mitigation, especially cities, transport, and role of AI. Believes in human cooperation, urban planning, economics, and technologies. Make climate policy as if children matter. 
Andy Reisinger @andyreisinger.bsky.social Climate science and policy. Also the occasional photo and random thoughts. Lead author IPCC AR7 WGIII (mitigation). Usual disclaimers...
Nada Caud @nadacaud.bsky.social Active au sein d'associations pour une mobilité douce et sécurisée 🚲, pour une restauration collective saine et responsable 🥙, pour une transition écologique juste, pour préserver la démocratie, l'éducation...
*Compte perso*
Jana Sillmann @janasillmann.bsky.social Climate scientists focusing on climate extremes and their impacts, climate risk and sustainability. Professor at University of Hamburg
https://www.fnk.uni-hamburg.de/2-research/research-group-climate-extremes/team/sillmann-jana.html
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
Paul N. Edwards @avastmachine.bsky.social History and politics of climate science, climate change, knowledge infrastructures. Prof. Emeritus of Information and History, University of Michigan and Director Emeritus, Stanford University STS Program. Now expat based in Marseille, fleeing US fascism.
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
Leah Goldfarb @leahgoldfarb.bsky.social 
Pam McElwee @pammcelwee.bsky.social Prof of Human Ecology @Rutgers. Co-Chair, IPBES Nexus Assessment, Ecosystems chapter lead NCA5 & IPCC author. Kansas/Oxford/Yale Alum. She/her. Brunch-eater. Mom. Working at science-policy interface to find solutions to biodiversity + climate crises 🌎☀️🐢
Roland Séférian @rolandseferian.bsky.social climate scientist at #CNRM @meteofrance
| focus on #CarbonCycle & its iterations with climate | @IPCC_CH SR15 & AR7 | @esm2025.bsky.social- K Kristie Ebi @krisebi.bsky.social Climate scientist focusing on health risks, adaptation, mitigation, co-benefits, scenarios
Prof Alessandro Tagliabue @altagliabue.bsky.social 🌊 ❄️ Professor @ University of Liverpool - ocean biogeochemical cycles and life in the seas - GEOTRACES SSC co-chair, IPCC AR7 coordinating lead author & AR6 SROCC lead author, ERC grant holder, Everton - he/him
Thomas Frölicher @froeltho.bsky.social Professor in Climate and Environmental Physics @unibern, Lead Author @IPCC_CH SROCC, Views are my own
Nick Golledge @nick-golledge.bsky.social Antarctic climate scientist, IPCC author, FRSNZ, musician, & artist. #julialang. Vegan, yoga, runner.
Author of FEEDBACK, a book about complexity and connection - published by Rowman & Littlefield.
🌏 www.nicholasgolledge.github.io
Bronwyn Hayward @bmhayward.bsky.social NZ politics professor at Uni of Canterbury, NZ, political scientist: youth & climate, sustainability, democracy, urban resilience (IPCC author/co-ordinating author AR6, RE for cities & climate special report AR7)
Delphine Deryng @deryng.bsky.social Talks about solutions to climate change to build a resilient & just society
Partnership & User Engagement specialist @ECMWF #DestinE #C3S #Copernicus
Lead author to IPCC AR6 #global food systems #food security #nature based solutions
[Views are my own]
Gonéri Le Cozannet @goneri76.bsky.social Scientist at BRGM - Coastal impacts of sea-level rise and adaptation.
IPCC AR6 lead author, French Climate Change Commitee, editor for Earth's Future.
Cycling in Orléans, Paris and other places.
Posts = My own viens.
Elin Lerum Boasson @elinlb.bsky.social Political Science Professor. Climate governance, climate action, renewables, EU studies and policy entrepreneurs. I follow Norwegian, Swedish and EU climate policy+politics. University of Oslo. CICERO. IPCC AR6 and AR6.- C Catherine MItchell @catherinemitchell.bsky.social Professor Emerita of Energy Policy, University of Exeter. My views only.
Frank Jotzo @frankjotzo.bsky.social Climate change and energy transition economics and policy. Prof, Australian National University (ANU) Crawford School of Public Policy. Policy advisory Australian federal, NSW, QLD governments. IPCC AR5&6.
Gerhard Krinner @gkrinner.bsky.social Climatologist. Cyclist. Rationalist. Universalist. Chocolate addict. IPCC author (AR5, AR6 WGI + AR6 Synthesis Report) & RE (AR7 WGI). Posts based on best available knowledge when related to climate. Personal opinion otherwise 🇪🇺🇺🇦. #climat #climate
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
AlKhourdajie.github.io
Johannes Quaas @jquaas.bsky.social Theoretical Meteorology, Leipzig University
Clouds and climate, biodiversity and climate, aerosols and clouds
Chris Jones @chrisd-jones.bsky.social Climate and carbon cycle modeller. Hadley Centre and U. Bristol, UK. 
Prof Andrew Mackintosh @andrewmackintosh.bsky.social Professor, glaciers & climate, Head 🌏 Earth Atmosphere Environment @MonashEAE ❄️ Lead Author @ipcc_ch @MonashIce http://www.icesheet.org @saef_arc Views are mine. 🚲 ☕️ 🏔 📷
Nick Simpson @nickzimson.bsky.social Co-Director at Climate Risk Lab & Chief Research Officer at ACDI (UCT). Climate change and Heritage; Education; Sport; Response Risk; IPCC AR7 Special Report on Cities & WGII
Daniel Huppmann @danielhuppmann.bsky.social Climate & Energy at @iiasa.ac.at | chairperson @ccca.ac.at | co-chair #AAR2 | author of IPCC #SR15 | #ScientistsForFuture | #FreeTheModels & #FAIRdata for #OpenScience
https://iiasa.ac.at/staff/daniel-huppmann
Tamsin Edwards @flimsin.bsky.social Professor in Climate Change, King's College London. Climate science, communication, recovering from 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
Nerilie Abram @climatenerilie.bsky.social Professor of Climate Science at ANU Earth Sciences | 21st Century Weather | Antarctic Science
Krishna AchutaRao @makrishna.bsky.social Climate scientist, father.
Sebastian Milinski @sebmilinski.bsky.social Scientist at ECMWF (#DestinE), passionate about exploiting weather and climate data to improve real-world applications and decision making. Sailor, climber, foodie.
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
Chris Bataille @chrisbataille.bsky.social Mountains, paddleboards & bikes. Tech & policy towards a net-zero GHG economy, focus on industry. Happy globalist. @ColumbiaUEnergy @bataille_chris
http://IDDRI.org, http://netzerosteel.org http://netzeroindustry.org IPCC AR7 CLA WGIII
Diana Liverman @dianaliv.bsky.social Geographer, seeking climate justice especially by studying vulnerability, adaptation and governance
University of Arizona
dianaliverman.net
Michael Wehner @michaelfwehner.bsky.social Climate scientist
Prof Michael Meredith 🌊🧪🥼❄️ @oceanandice.bsky.social Joint Director, UK National Climate Science Partnership
Professorial Fellow in Oceanography, Murray Edwards College, University of Cambridge
Science Leader, British Antarctic Survey
Coordinating Lead Author, IPCC Ocean & Cryosphere
Alex Ruane @alexruane.bsky.social NASA Goddard Institute for Space Studies Impacts Group co-Director making Earth information useful to people and systems at risk; IPCC AR6 WGI CLA + SYR Core Writing Team Member; Columbia University; AgMIP Science Coordinator & Climate Team Lead
emily thai @ethai.bsky.social they/she // @donororganizerhub.org // opinions mine, strong, weakly held
Eve Tamme @evetamme.com 🇺🇳🇪🇺 #ClimatePolicy since 2004.
#CarbonMarkets #CarbonRemoval #CarbonCapture
*Personal views*
🌐 evetamme.com
Erik Conway @erikconway.bsky.social Historian, rocketeer, capsuleer in New Eden, adventurer in Azeroth. Writer of books. Opinions not my employers.
Russ Schumacher @rschumacher.cloud "an upbeat atmospheric science professor" -- theverge | sometimes it snows in April | Fort Collins, Colorado | personal account
Susan Crawford @scrawford.bsky.social Writing about intersection between climate adaptation and finance. Substack https://susanpcrawford.substack.com
Author of Charleston: Race, Water, and the Storms to Come. Learning all the time.
Christopher Callahan @ccallahan45.bsky.social climate scientist: extreme heat, health, attribution, climate in the courts. heat wave is two words. iuclimateandsociety.com
Andra Garner @andrajgarner.bsky.social Associate Professor of Environmental Science at Rowan University | Coastal Hazards researcher, including tropical cyclones and sea-level rise in a warming climate | Climate communicator | she/her | Opinions my own
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
Gretchen Goldman, PhD @gretchentg.bsky.social President @ucs.org. Previously: USDOT, White House OSTP, @500womensci.bsky.social. Environmental engineer. Mom. Cyclist. Public Transit Enthusiast. Views my own. She/her.
Robert Rohde @rarohde.bsky.social Chief Scientist for @berkeleyearth.org.
Physics PhD & data nerd. Usually focused on climate change, fossil fuels, & air quality issues.
LegraLeGra @atthenius.bsky.social #Climate scientist @
#GISS => #nyc &
#Columbia Uni
Mom
from WestTX
#bikeNYC #bike #NYCbike
Mostly find me
Here: https://fediscience.org/@atthenius
Personal acct.
Kau))) @carbon8.bsky.social birds, geology, isotopes, mindfulness, monsoons, oceans, & weird music.
Rose Abramoff @ultracricket.bsky.social Earth scientist and activist. She/they. Opinions expressed are my own - Facts expressed are science.
climateemergencyfund.org
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
Prof. Simon Carn @simoncarn.bsky.social Volcanologist @michigantech.bsky.social. Satellite-powered analysis of global #volcanic activity. #GreatLakes silent sports 🏃🏻♂️🚵🏻♂️⛷. Often buried in snow. 🇬🇧/🇺🇸
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
TC (Tirthankar Chakraborty) @tchakraborty.bsky.social Earth Scientist @ Pacific Northwest National Lab; previously Yale (PhD '21); more previously IIT Kanpur (M.Tech '15)
| urban climate | aerosols | remote sensing | heat stress | Google Earth Engine | geospatial | machine learning |
https://tc25.github.io/
Colin Raymond @regclimo.bsky.social Climate scientist at UCLA
Wendy Jepson @wendyjepson.bsky.social Geographer. Wanderer. Water Scholar. AAAS & AAG Fellow. University Professor @TAMU. Director, TAMU Environmental Program. Own Views. Proud Co-Founder of the Water Insecurity Experiences Community of Practice (formerly HWISE-RCN)
John Callahan @johncallahan.bsky.social Service-driven, applied climate and coastal hazards scientist. Keep things simple but no simpler. Trying to do that the best I can. Views my own.
Dana Nuccitelli @dananuccitelli.bsky.social Research Manager for @cclusa.org, environmental scientist, climate journalist for @climateconnections.bsky.social. Views my own.
Michael Tobis (mt) @mtobis.bsky.social PhD atmospheric/oceanic sciences 1996 but a bit rusty.
Opinionated.
Main topics: climate, sustainability, Canada, AI and ML, journalism.
Also: roots music, art, healthy plant-based food.
Please think like a planet!
https://initforthegold.blogspot.com
Jacob Wenegrat @roguewave.bsky.social Physical oceanographer, Associate Professor at University of Maryland College Park.
Geophysical fluid dynamics, submesoscales, sailing, and…
wenegrat.github.io
Andreas Schmittner @andreasschmittner.bsky.social Climate scientist, ocean, ice, biogeochemistry, paleo, modeling 🌦️🌎🌊❄️🌡️🥼🔬💻🦖
Ed Maibach @maibached.bsky.social I'm a health professional who’s all in on using the science of science communication to fight climate change. My message: The end of fossil fuels will be a new beginning for health. #Resist
Mark Blumenthal @mysterypollster.bsky.social Pollster. Husband. Father. Cyclist. Currently: YouGov (contractor). Formerly: SurveyMonkey, HuffPost, Pollster.com Contact me: https://linktr.ee/markblumenthal
Morgan E O’Neill @morganeoneill.bsky.social Assistant Professor in Physics, University of Toronto. Climate scientist. Settler. Thoughts my own.
Stop the genocide! Free Palestine!
Doug Lewin @douglewin.bsky.social ⚡ Energy Expert
🎙 Host: Energy Capital Podcast
📜 Author: Texas Energy & Power Newsletter
🌎 Founder of Stoic Energy
www.douglewin.com
Josh Halpern trading as @elirabett.bsky.social Chemical physics, climate change, blogger, deep into open teaching resources. Former bunny (pronouns Thou/Thee)
Thijs Heus @thijsheus.bsky.social Modeler of atmospheric flow, clouds and boundary layers. #MicroHH. Associate prof at Cleveland State.
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/
Scott St. George @scottstgeorge.paleohydrology.com Head of Weather & Climate Research at WTW, a global insurance advisory firm headquartered in London.
Alexander von Humboldt Fellow | Geological Survey of Canada alum | Formerly Associate Prof at University of Minnesota | Made in 🇨🇦 | Based in MSP
Robert Way @labradorice.bsky.social Labrador Kallunângajuk from Vâli. Dad. Hunter. Geography prof. Canada Research Chair in Northern Environmental Change.
@queensu. Views are my own.
Malte Meinshausen @meinshausen.bsky.social The University of Melbourne & Climate Resource
Ken Rice @kenrice.bsky.social Interested in #scicomm, in particular about astronomy and climate change. Professor of Computational Astrophysics and Head of Institute for Astronomy, Univ. of Edinburgh. Views own, of course.
Michael Battalio @battalio.com Research Scientist studying planetary climates
Jack Sillin @sillin.bsky.social Energy Meteorology & Adventuring
Yarmouth, ME | Boston, MA | Wherever it's snowing
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,
Cristi Proistosescu @cristiproist.bsky.social Assistant Professor - School of Earth Sciences @ Illinois
cristi.pro
Daniel J. Vecellio @sciencedjv.bsky.social Assistant Professor of Geography at the University of Nebraska at Omaha. I research climate and human health interactions with a focus on extreme heat. Penn State Forever.
Simon Mahan @simonmahan.bsky.social I'm here for the energy memes.
Ryan Stauffer @ryanswx.bsky.social NASA/GSFC scientist running a global ozone network who was also wrongfully stripped of my 2025 JD Power Virtual Storm Chaser Championship
Joshua D. Rhodes @joshdr83.bsky.social Energy | Research Scientist @utaustin.bsky.social & @columbiauniversity.bsky.social | CTO @ideasmithsLLC | Electric Commissioner @austintexasgov | husband | dad | views my own
Peter Jacobs @pjacobs.bsky.social climate science (paleo, modern, future); public understanding of science (consensus, conspiracy theories, pseudoscience)
ORCID: https://orcid.org/0000-0002-6951-7126
Mastodon: fediscience.org/@peterjacobs
Bird Site: https://twitter.com/past_is_future
Andrew Rumbach @andrewrumbach.bsky.social Urban & regional scientist. Co-lead of the Climate & Communities program @urbaninstitute. Research & policy analysis on disasters, disaster recovery, precarious housing, land use, and adaptation. Sourdough enthusiast. https://andrewrumbach.substack.com
David Doniger @daviddoniger.bsky.social Endangerment is my middle name.
Senior Strategist and Attorney for the Natural Resources Defense Council's Climate & Energy Department. https://www.nrdc.org/bio/david-doniger Bluesky views my own.
Jessica Green @greenprofgreen.bsky.social Immigrant. Poli sci prof at U of Toronto. Politics of climate change, carbon markets, oceans, NGOs, enviro politics. Author of Existential Politics, out now: tinyurl.com/ybephkfb. Occasional ranter. greenprofgreen.com
Kit Marie Rackley @geogramblings.com Award-winning educator 🌱 #SciComm | Geographer 🌍 | 🌳✊🏿🏳️🌈🏳️⚧️🍉 | #ClimateAmbassadors Regional Hub Mngr at UEA Tyndall Centre | intersectional feminist 🦸♀️| Host of Coffee & Geography #CoffeeGeogPod | 💭💬 my own. Born at 337ppm. They/She 🖖
Michael Freeman @michbfreeman.bsky.social Offshore wind policy at Oceantic Network. Also insect art. Former entomologist I guess.
he/him/his, views are of my own creation
🏳️🌈🇺🇸🇩🇪
Catherine Fraser @cathfraser.bsky.social climate @dataforprogress.org | she/her
https://dataforclimateprogress.substack.com/