Robbie Andrew @robbieandrew.bsky.social Senior scientist at Oslo-based CICERO Center for International Climate Research • 🌍Global Carbon Project • https://robbieandrew.github.io/
Marie Byskov Lindberg, PhD @mariebl.bsky.social Senior Research Fellow @ciceroclimate.bsky.social
CICERO Center for International Climate Research, Oslo, Norway
climate and energy policy
power market politics and electricity market design
sustainability transitions and technological change
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.
CICERO Center for International Climate Research @cicero.oslo.no CICERO Center for International Climate Research is Norway’s foremost institute for interdisciplinary climate research.
Monica Bjermeland @bjermo.bsky.social Head of Communications @uio.no 🌍 Centre for Global Sustainability
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
Ed Hawkins @edhawkins.org Climate scientist at the National Centre for Atmospheric Science, University of Reading | IPCC AR6 Lead Author | MBE | Views own | https://edhawkins.org
Warming Stripes: http://www.ShowYourStripes.info
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
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
Kimberly Nicholas @kimberlynicholas.bsky.social Climate scientist, Lund University.
Creator, climate action
podcast 🎙️ CLIMATE ACTUALLY https://youtube.com/@climateactually
& guide📱 SHIFT (jointheshift.earth).
Bestselling author, UNDER THE SKY WE MAKE 📖.
Newsletter: wecanfixit.substack.com 💌.
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/
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.
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
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/
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
Adam Sobel @adamsobel.bsky.social Atmospheric scientist
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.
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
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
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.
Ayana Elizabeth Johnson @ayanaeliza.bsky.social Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
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
Benjamin Cook @dustybowl.bsky.social Climate scientist studying drought, land surface processes, climate extremes. https://www.drbenjamincook.net/
Prof Lisa Schipper 🌍🍉💪 @lisaschipper.bsky.social Climate adaptation & development•Prof Development Geography @giubresearch.bsky.social•Co-EiC @climdevjournal.bsky.social•PI @dependencybonn.de•Associate @sei.org & @ecioxford.bsky.social• @welthungerhilfe.bsky.social•she/her/Du•Servant to 2 rescue 🐈⬛ •🇸🇪
Mike MacFerrin @icesheetmike.myatproto.social Dr in glaciology and expert mapper of coastal topography at a Cooperative Research Institute. An organizer for disability rights in science, which mostly involves yelling at agencies. Science is the easier part of my work. #T1D
Mike Dettinger @mdettinger.bsky.social Water/environ/climate news & occasional bespoke data maps/calcs, from CarsonCity (Wá∙šiw land), NV. Retired USGS & now p/t @CW3EScripps scientist.
Bona fides? PhD.UCLA F.AGU F.AAAS M.NAE; www.mdettinger.com
Ruth Mottram @ruthmottram.eurosky.social Climate scientist at DMI, Greenland, Antarctica, polar regions in general.
Now migrated to eurosky.social on here.
Mostly on mastodon though @ruth_mottram@fediscience.org
Blogging at sternaparadisaea.net
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Dr. Merritt Rae Turetsky @queenofpeat.bsky.social Pre-order Bogland at https://wwnorton.com/books/bogland
Author, scientist, mom. Bog adventurer. Permafrost detective. Learn more at merrittraeturetsky.com
Mauri Pelto @mauri-pelto.bsky.social Glaciologist who has spent 40+ years doing fieldwork on glaciers. Science advisor to NASA Earth. US Representative to the World Glacier Monitoring Service. Author of blog “From a Glaciers Perspective”. Grandparent, avid skier, dog walk/runner.
Jared Rennie @jjrennie.bsky.social Research Meteorologist at NOAA’s NCEI. We archive your data and I play with it. On this hell site too along with all the others. 
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
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
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
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.
Prof. Bob Howarth @profbobhowarth.bsky.social Professor at Cornell University, Earth system scientist, co-EiC Land-Ocean-Atmosphere Research
Bob Henson @bhensonweather.bsky.social Meteorologist and journalist. I cover wacky weather, changing climate, and how we live, love, work, get around, and dream. 
Bob Kopp @bobkopp.net #Climate & sea level science + policy. Rutgers University. All views my own. www.bobkopp.net
Dr Adam Levy @climateadam.bsky.social Climate scientist, journalist, YouTuber, Adam 🏳️🌈
https://www.youtube.com/ClimateAdam/
https://www.climateadam.com
Sam Burgess @oceanterra.org Climate | ocean | science policy & diplomacy | Copernicus Climate Change Service, @ECMWF | Partner to @edhawkins.org | ex 🐼 | Views own | 🌍 🌡🌊 🛰 🪸| Born on Wurundjeri Country | 🇦🇺🇬🇧🇪🇺 |
www.pulse.climate.copernicus.eu
Mark Parrington @mparrington.bsky.social ECMWF senior scientist working on monitoring global #wildfire emissions, #airquality, atmospheric chemistry & #scicomm for the #CopernicusAtmosphere Monitoring Service @copernicusecmwf.bsky.social @ecmwf.int
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
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
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.
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.
Prof. Sonia I Seneviratne @soniaseneviratne.bsky.social Professor at ETH Zurich, IPCC WGI Vice-chair.
#Climate #Extremes #Land.
Citizen/mum/scientist. Personal account.
https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Chapter11.pdf
Twitter/X: @SISeneviratne
https://www.iac.ethz.ch/people/sonia
Dr. Tessa Fisher @tessafisher.bsky.social Research Facilitator, ASU| Astrobiologist | Trans Lesbian | SFF Writer | Lukewarm Ecosocialist | Union Woman | One Half of @asabpod.bsky.social | She/Her| 🌹
www.tessafisher.com
Words and opinions are my own.
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.
Christine Wiedinmyer @cwiedinm.bsky.social Science administrator at CU Boulder. Study air quality and pollution emissions, all things wildfire and open burning. Women in science. Go Buffs! 
David Romps @davidromps.com Climate physics
Dr Matt Winning @mattywin.bsky.social 🎤 Climate comedian
🌍 Lecturer in Economics of Sustainability @UCL.ac.uk
🌀 Environmental Expert
📚 Author of 'Hot Mess'
📻 Hosted BBC Radio 4's 'Net Zero: A Very British Problem'
www.mattwinning.com
https://linktr.ee/mattwinning
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
Dr Ella Gilbert @drgilbz.bsky.social Head in the clouds, heart in the ice.
Climate scientist & presenter, massive cloud nerd.
Represented for TV & books by Natalia Lucas at United Agents.
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
Dr. Andrea Dutton @drandreadutton.bsky.social Geologist. Obsessed w/ carbonates, isotopes, sea level & climate. Professor at Univ. Wisconsin-Madison. she/her
Peter de Menocal @pdemenocal.bsky.social President & Director
Woods Hole Oceanographic Institution 
Adam Terando @adamterando.bsky.social Climate scientist and urban/transportation policy dilettante. Personal account with my own opinions.
Stefan Sobolowski @stefansobo.bsky.social Climate scientist; climate dynamics, impacts and climate/weather extremes; Associate professor, Geophysical Institute, University of Bergen, Norway; Research Leader, the Bjerknes Center for Climate Research. Two flags 🇳🇴 🇺🇸
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
Sarah E Myhre PhD @sarahmyhre.bsky.social Partnerships @DemocracyForward.org | Washingtonian | Climate and Democracy | Philanthropic strategy | Views are my own | Would rather be skiing | UC Davis, WWU alum
Tessa Hill @tessahill.bsky.social Climate change, oceans, blue carbon and coastal communities. Professor, researcher, educator, author. 🌊
📕: At Every Depth @ateverydepth.bsky.social
AtEveryDepth.com
bio.site/Tessahill
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. 
Ankur Desai @profdesai.bsky.social Professor and Chair@UW_AOS Meteorology, Ecology, Climate Sci (Biosphere-Atmos) Parent to 3 kid chaos. Https://flux.aos.wisc.edu
Julia Verville @juliahv.bsky.social Climate, energy, & forests. Midwesterner in the Golden State. Personal account.
Benjamin DeAngelo @bendeangelo.bsky.social Principal and Founder, Operation Future, LLC. Adjunct Professor, Howard University. Former Director, EPA Office of Climate Adaptation & Sustainability. Dad, drummer, cyclist.
Allison Crimmins @acrimmins.bsky.social Lady who climates. Executive Director for Industry Proving Ground at NOAA: Director of the Fifth National Climate Assessment. View my own. She/her.
Wolfgang Cramer @cramer-bondeau.fr #Climate & #biodiversity emeritus scientist, professor of global #ecology, #CNRS, MedECC, #IPCC, Acad. d'Agriculture de France.
Occasional rail travel and bicycle geek. 🇩🇪 🇫🇷 🇬🇧 🇸🇪 🇳🇴 https://tinyurl.com/wcrame
Pierre Friedlingstein @pfriedling.bsky.social Born at 321 ppm. Climate & Carbon Cycle Scientist. Prof @UniofExeter Directeur de Recherche @CNRS @GlobalCarbonProject
Logan Mitchell PhD @loganemitchell.bsky.social Climate scientist & energy analyst @UtahCleanEnergy. #ElectrifyEverything #EnergySky #GreenSky 🔌💡. Posts my own.
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.
Jeff Dukes @dukesjeff.bsky.social 🌎🌱Climate change science and global change ecology at Carnegie Science.
[Private account, not representing employer]
Sarah Burch @sarahlynnburch.bsky.social Professor, Canada Research Chair - Sustainability transitions and climate change policy. University of Waterloo, 🇨🇦
Executive Director, Waterloo Climate Institute. IPCC LA 6AR, WGIII.
Dr. Julia K. Baum @baumlab.bsky.social Ocean climate change impacts & solutions (juliakbaum.org, bluecarboncanada.ca) | UVic Special Advisor Climate | Director https://climatesolutionsleaders.org | Pres. https://csee-scee.ca | scientist | mom | feminist | obsessed w 1.5C | stubborn optimist
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/
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