Prof. Penny Holliday @npholliday.bsky.social Chief Scientific Officer at National Oceanography Centre, UK
Lead Locally @leadlocally.bsky.social Your source of local climate hope. 🌎✨ We help elect local & state leaders who will fight fossil fuel projects & advance clean energy policy
Yellow Dot Studios @yellowdotstudios.bsky.social Non-profit media studio from filmmaker Adam McKay (Don’t Look Up) exposing Big Oil lies and the dangerous new world they've created. Jokes included but not guaranteed.
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.
Andy Norton @andynortondev.bsky.social Various including climate science, climate finance/politics, inequality. Applied anthropologist. Professor of Practice SOAS.
Rob Bellamy @drrobbellamy.bsky.social Climate change, technology and society. Senior Lecturer in Geography at University of Manchester. Editor-in-Chief @dialoguescc.bsky.social. Associate Fellow at University of Oxford. Co-I CO2RE. Co-I MAR-CO2. Co-I REFLECT. Co-I Co-CREATE
Wenjing(Wendee) Zhang,PhD @wzgeography.bsky.social Urban geographer, Nature and Health, environmental sustainability, Senior Lecturer in Environmental Planning, secretary @healthgeographyrgs.bsky.social (she/her).
UN Environment Programme @unep.org Official account of the United Nations Environment Programme
https://www.unep.org/
Jan Rosenow @janrosenow.bsky.social Professor of Energy & Climate Policy at University of Oxford
Energy Programme Leader at ECI, University of Oxford
Senior Research Fellow at Oriel College, Oxford
Senior Associate Institute for Sustainability Leadership, University of Cambridge
Lauren Attfield @laurenattfield.bsky.social Postdoctoral researcher @naturerecovery.bsky.social, University of Oxford. Applied mathematician and data scientist.
Environmental Change Institute, University of Oxford @ecioxford.bsky.social Germinated in 1991 at the University of Oxford
One of the world’s first interdisciplinary research institutions, continuing to tackle the challenges of environmental change, its causes, impacts, and adaptive solutions.
United Nations Office for Disaster Risk Reduction (UNDRR) @undrr.bsky.social UNDRR has a big ambition: to help decision makers across the globe better understand and act on risk. We envision a world where disasters no longer threaten the the well-being of people and the future of the planet. | www.undrr.org
IISD Economies @economies.iisd.org 
International Institute for Sustainable Development @iisd.org An award-winning independent think tank for sustainable solutions. Focused on climate, nature & economies.
Get the latest #sustdev news: http://bit.ly/2w12V4K
Islands and Small States Institute, University of Malta @umislands.bsky.social Promoting excellence in teaching, research and training in Islands and Small States since 1989
John Firth @johnacclimatise.bsky.social Personal thoughts on resilience and a changing climate. “ What do we live for, if it is not to make life less difficult for each other?” I’m woke. Hon Professor University of Liverpool, previously CEO and co-founder Acclimatise
Lien Vandamme @lienvandamme.bsky.social 🌍 Climate justice & human rights @ciel.org
✏️ Posts are my own
Kaisa Kosonen @kaisakosonen.bsky.social Working on climate policy @ Greenpeace Nordic. IPCC Focal Point for Greenpeace International. Based in Helsinki, Finland. @greenpeacesuomi.bsky.social Always up for karaoke, dancing, gigs.
Annie M Leonard @anniemleonard.bsky.social Activist and Organizer. Coauthor of Protest- Respect it, Defend it, Use it (w/ Andre Carothers, 2026). Team @janeclimatepac. Creator @storyofstuff talk, book & org. If we lose the right to protest, we stand to lose so much more.
Lior Hamovitz @liorhamovitz.bsky.social PhD candidate @ BU || CSSN scholar || cool aunt!
climate change, environmental justice, political theory, Latin America
WRI Ross Center for Sustainable Cities @wrirosscities.bsky.social Helping cities make big ideas happen. A program of
@worldresources.bsky.social. Producer of http://TheCityFix.org. Home of #PrizeForCities.
Stockholm Resilience Centre @sthlmresilience.bsky.social Stockholm Resilience Centre explores how people and nature can live and develop on a planet under pressure.
Northwest Climate Adaptation Science Center @nwcasc.bsky.social Federal-consortium partnership teaming scientists with natural & cultural resource managers to deliver science that helps fish, wildlife, water, land & people in the NW adapt to climate change. Home of @nwriscc.bsky.social. Hosted by @cig-uw.bsky.social.
Tropical Climate Variability & Coral Reefs (SPP 2299) @climatereefs.bsky.social DFG Priority Programme "Tropical Climate Variability & Coral Reefs - A Past to Future Perspective on Current Rates of Change at Ultra-High Resolution" (SPP 2299)
www.instagram.com/climatereefs
https://www.spp2299.tropicalclimatecorals.de
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
Laboratoire des Sciences du Climat et de l'Environnement @lsce-ipsl.bsky.social Le Laboratoire des Sciences du Climat et de l'Environnement est une Unité Mixte de Recherche UMR 8212 (CEA/CNRS/UVSQ). Membre de l'IPSL et de l'Université Paris-Saclay
CICERO Center for International Climate Research @cicero.oslo.no CICERO Center for International Climate Research is Norway’s foremost institute for interdisciplinary climate research.
Climate Analytics @climateanalytics.org Global climate science and policy institute working to accelerate climate action and keep warming below 1.5°C.
Oxford Earth Sciences @oxuniearthsci.bsky.social The Department of Earth Sciences at the University of Oxford
Climate Impacts Group @cig-uw.bsky.social Conducting research & building resilience to climate change. Host of NW Climate Adaptation Science Center, Washington State Climate Office, and NW Climate Resilience Collaborative. Based at UW EarthLab.
Our World in Data @ourworldindata.org Our World in Data is a free, nonprofit website with a mission to increase understanding of the world’s largest problems and drive informed action to solve them. Based out of Oxford University (@ox.ac.uk), founded by @maxroser.bsky.social.
World Resources Institute @worldresources.bsky.social WRI is a global research organization working to improve people’s lives, protect #nature, and halt #climatechange. 🌍📊
👉 Learn more: https://go.wri.org/mmTUco
The Nature Conservancy @nature.org Together, we can create a world where people and nature thrive. 🌍💚 Subscribe for real-world solutions to our planet’s biggest challenges: nature.ly/GlobalInsights
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
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
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 🐈⬛ •🇸🇪
Climate Change Committee @thecccuk.bsky.social The UK’s independent adviser on tackling climate change.
https://www.theccc.org.uk/
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
The Centre for Climate Change and Social Transformations (CAST) @cast-centre.bsky.social We are the Centre for Climate Change and Social Transformations (CAST); a global hub for understanding the crucial role that people play in fighting climate change.
Based at the University of Bath and across five institutions, ESRC-funded.
www.cast.ac.uk
Max Boykoff @maxboykoff.bsky.social I research climate change thru several projects; Prof in Environmental Studies and CIRES Fellow at CU Boulder, IPCC AR6 WGIII Contributing Author. Born at 328 ppm. drawings credit: John Cook [big], Cal Brackin [small]
Phaedra C. Pezzullo @phaedra.bsky.social Professor @ CU Boulder Environmental & climate justice, sustainability & storytelling, environmental comm. Editor UC Press+ Taylor&Francis. Author: Beyond Straw Men: Plastic Pollution & Networked Cultures of Care. Opinions=mine https://phaedracpezzullo.com
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.
David Fenton @dfenton.bsky.social Host of Agitation Nation, a podcast from the Fenton Forecast newsletter. Author of The Activist’s Media Handbook: Lessons from 50 Years as a Progressive Agitator fentonforecast.com
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
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
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.
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
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.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
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
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
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
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
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
Emma Hancox @emmahancox.carbonbrief.org senior digital exec at @carbonbrief.org
Tom Prater @tomoprater.carbonbrief.org Climate visuals @carbonbrief.org
Josh Gabbatiss @joshgabbatiss.bsky.social Associate editor at Carbon Brief 🐸
josh.gabbatiss@carbonbrief.org ✉️
Dr Verner Viisainen @vernerviisas.bsky.social Impact Research @sciencebasedtargets.org
ex-@carbonbrief.org
ex-Green Alliance
PhD in Engineering
he/him
Personal account. Views expressed are my own and not those of my employer
Giuliana Viglione @giulianaviglione.bsky.social ocean-lover and science journo. associate editor @carbonbrief.org & senior editor @theopennotebook.bsky.social
Aruna Chandrasekhar @arunacsekhar.bsky.social Climate and environmental journalist, writer, docu filmmaker. Covers climate policy @CarbonBrief. “Sekhar” as in “shaker”.📍Mumbai, India. Views, jokes = own.
Copernicus ECMWF @copernicusecmwf.bsky.social The #CopernicusClimate Change Service (#C3S) & #CopernicusAtmosphere Monitoring Service (CAMS), implemented by @ecmwf.int on behalf of the @ec.europa.eu.
OxfordSmithSchool @smithschool.ox.ac.uk The Smith School of Enterprise and the Environment is a leading interdisciplinary academic hub at the University of Oxford focused upon teaching, research, and engagement with enterprise on climate change and long-term environmental sustainability. 
Noah Kaufman @noahqkaufman.bsky.social Climate economist. Opinions are my own.
Sam Gardner @samgardner.bsky.social Head of Climate Change & Sustainability @ScottishPower. Proud ex WWF panda. 
Vanessa Warheit @vwarheit.bsky.social Climate solutions policy advocate. MPA student @UCB. Artist. Connector. Documentary filmmaker. Project Director for Nat’l Charging Access Coalition. Nerding out on #economics & #policy. Defending #democracy & #equity. Occasionally making & posting #art.
Catherine Queen @catherinequeen.bsky.social Senior Lecturer in Planning @ Uni of Liverpool. Public disengagement from planning for energy futures, inclusive cities, climate communication.
William F. Lamb @wflamb.bsky.social Climate policy researcher at the Potsdam Institute for Climate Impact Research. I work on emissions trends, policy evaluation, carbon dioxide removal and climate obstruction. Scot in Deutschland. https://lambwf.github.io/
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.
Andrew D Thaler @drandrewthaler.bsky.social Deep-sea ecologist investigating how humans shape and reshape the sea floor. Conservation technologist developing open-source tools to understand our changing oceans. Ocean educator creating novel programs to help students interact with marine ecosystems.
J. Mijin Cha @jmijin.bsky.social Assist prof, env studies; Fellow, Climate Jobs Institute and @cplusc.bsky.social; Board, Greenpeace Fund; just transition; labor/climate. 🍉 #COYS 🇰🇷🇺🇸
📚: https://mitpress.mit.edu/9780262550796/a-just-transition-for-all/
https://mijincha.com
Mat Paterson @matpaterson.bsky.social Climate politics; political economy. University of Manchester Professor. https://scholar.google.com/citations?user=im2kgFUAAAAJ&hl=en. https://research.manchester.ac.uk/en/persons/matthew.paterson.
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/
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
Jeff Dukes @dukesjeff.bsky.social 🌎🌱Climate change science and global change ecology at Carnegie Science.
[Private account, not representing employer]
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
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.
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.
Julia Verville @juliahv.bsky.social Climate, energy, & forests. Midwesterner in the Golden State. Personal account.
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
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. 
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
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 🇳🇴 🇺🇸
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.
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 Adam Levy @climateadam.bsky.social Climate scientist, journalist, YouTuber, Adam 🏳️🌈
https://www.youtube.com/ClimateAdam/
https://www.climateadam.com
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.
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
Faith Kearns, Ph.D. @fkearns.bsky.social Scientist and science communicator writing about mostly humans, water, wildfire, climate, and disasters | views=mine
Norm Leo - Climate @normleo.bsky.social 🌎 Climate Scientist.
Consultant. Author. TEDx Speaker.
Hopeful presentations on climate change, without guilt or fear.
https://linktr.ee/normleo_climate
Dr Natalie Robinson 🇳🇿 @polargirlnz.bsky.social 🇦🇶 Antarctic Oceanography + SciComm
Born @337 ppm and very concerned about Climate Change; director of NZ's Antarctic Science Platform. Christian while also Earth Scientist; Wife to 1; Mother to 3. I play cello 🎻 whenever I find a spare moment.
Carlos Martinez, PhD @carlonimbus.bsky.social Climate Scientist at Union of Concerned Scientists | Bridging Environmentalism and Spirituality | Chair of the American Meteorological Society Committee on Spirituality, Multifaith Outreach, and Science (COSMOS) | Views are my own :)
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
Climate Citizens @climatecitizens.bsky.social The Climate Citizens Research Group works with a wide group of stakeholders, including government, businesses and environmental groups, to promote greater citizen engagement in climate issues, and climate policymaking. 
The Guardian @theguardian.com The need for independent journalism has never been greater. Become a Guardian supporter https://support.theguardian.com
🇺🇸 Guardian US https://bsky.app/profile/us.theguardian.com
🇦🇺 Guardian Australia https://bsky.app/profile/australia.theguardian.com
Prof Phoebe Barnard @phoebebarnard.bsky.social The world doesn't have to be this way. Climate & biodiversity science, risk, resilience, Earth-repairing societal/planetary futures. Prof U Washington; RA African Climate & Development Initiative/ Fitztitute, UCapeTown, SEI Oxford, OU Nature Recovery.
Linden Ashcroft @lindenashcroft.bsky.social Senior lecturer in climate science and science communication at @unimelb. She/her. Born 344 ppm of CO2 in the atmosphere
Dr. Aaron Thierry @thierryaaron.bsky.social Research analyst, ASRA. PhD candidate at Cardiff University researching the role of science and scientists in the climate movement. PhD in Ecology. Climate communications.
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.