Health Policy Watch - Global health news reporting @healthpolicywatch.bsky.social Independent global health news written by experienced journalists. Non-profit media company with HQ in Geneva, Switzerland.
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Dr Sinead Farrell @dr-slfarrell.bsky.social Associate Professor, University of Maryland. @umdgeography.bsky.social
Studies Arctic and Antarctic sea ice and the polar oceans with satellites.
@es-ucl.bsky.social UCL graduate
Scripps Institution of Oceanography @scrippsocean.bsky.social Understanding and protecting the planet since 1903.
📍UC San Diego
Dr Svenja Halfter @svenjahalfter.bsky.social Marine scientist working on plankton ecology & biogeochemistry of the Southern Ocean. Based in Te Whanganui-a-Tara, Aotearoa/New Zealand, they/she 🏳️🌈
Natassa Romanou @aromanou.bsky.social Oceans. Climate. Society. And everything in between. Climate scientist and numerical modeler, aka Anastasia Romanou. AR7 Tipping Points aficionado. Views my own -not anyone else's.
FMRI Future Marine Research Infrastructure @fmri-nerc.bsky.social Our mission is to work with the research community to secure cutting-edge capabilities and expertise that enable world-leading science.
🎧 Dive deeper into FMRI - listen to the podcast with Dr Helen Czerski
🖥️ fmri.ac.uk/podcasts
Leigh Storey @clstorey.bsky.social dad, husband, engineer, submariner, triathlete - helping scientists count fish and penguins #AIMP #FMRI
The Cathy Wilcox @cathywilcox.bsky.social Editorial cartoons, dog walks, languages, bleeding heart, existential malaise. Latest book Hoary Chestnuts, shop at cathywilcox.com.au
Ippolita Tersigni @ippy90.bsky.social Sea ice scientist | air-ice-sea interactions | Antarctic expeditions with AAD❄️🧊🇦🇶🛰️
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
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
Mayor of London, Sadiq Khan @london.gov.uk Husband, father and Mayor of the greatest city in the world. He/Him.
Peter du Toit @peterdutoit.com I speak about climate futures, mitigation and adaptation in the face of the climate crisis. 🇿🇦
Fan of ephemeral social media
Posts delete after 60 days.
Signal: https://peterdutoit.com/signal
Website: https://peterdutoit.com
Adam Vaughan @adamvaughan.bsky.social Environment Editor at The Times. Clean it Up water campaign. When not working, usually running. Previously New Scientist and Guardian.
adam.vaughan@thetimes.co.uk
Insta: https://www.instagram.com/adamvaughanjournalist
Signal: adamvaughan.53
Climeworks @climeworks.bsky.social Join the community of forward-thinking Climeworks Pioneers removing CO2 from the air, today. https://bit.ly/49a5Sik
Let's drive the change we need.
Climeworks is a leading high-quality carbon removal provider, pioneering tangible solutions since 2009. 
Peter Dynes @pdynes.bsky.social Managing Director at http://MEER.org | Advancing climate resilience through innovative heat adaptation and mitigation research in the global south.
Berkeley Earth @berkeleyearth.org We're an independent 501c3 non-profit organization working to make climate data open and accessible.
📍Berkeley, CA
＠ www.berkeleyearth.org
💲donate.berkeleyearth.org
World Meteorological Organization @wmo-global.bsky.social 
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
Biosphere in Crisis @cathobrian.bsky.social The biosphere is in crisis due to factors that include global warming, biodiversity loss, overpopulation, overshoot, & plastic pollution. My aim is to increase awareness of urgency for action
Shel Winkley @shelwinkleywx.bsky.social @climatecentral.org | Former @kbtx.com Chief Meteorologist | AMS CBM #780 | TAMU Class of 2007 | 🔴 🌎 Climate Change is Real.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
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.
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
Guido Grosse @grosseguido.bsky.social Permafrost researcher and curious Arctic explorer, observer of rapid change. Spent some years in Alaska and Siberia, now at AWI Potsdam. 
Ketan Joshi @ketanjoshi.co Hey, I'm a climate and energy writer / data analyst who focuses on corporate + govt accountability
Creator + curator of the Greensky feed: https://ketanjoshi.co/greensky/
Based in Oslo but write about US, Europe, Aus too - ketan.joshi85@gmail.com
James Kirkham @jdkirkham.bsky.social Climate 🌡️ | Glaciology 🧊 | Science diplomacy 🗺️ | Policy 📜
Chief Science Advisor and Coordinator of the ‘Ambition on Melting Ice’ high level group on Sea-Level Rise and Mountain Water Resources
https://ambitionmeltingice.org/membership/
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
Caroline Holmes @climatecaroline.bsky.social Scientist at @bas.ac.uk ; all things Antarctic sea ice and climate.
SnowPI @snowpi.bsky.social Investigating Polar Climate Change
Funded by the European Union.
Website: https://snowpi.eu/
Huw Griffiths @huwiceandstuff.bsky.social Polar marine biologist (Antarctic & Arctic) with @bas.ac.uk . Walks a lot and takes lots of photos! 🇦🇶🏳️🌈🦀🐚🐟
Same handle on Instagram
He/Him/His
British Antarctic Survey 🐧 @bas.ac.uk We're the UK's polar research institute 👋 Uncovering the secrets of Earth's frozen places, doing science for a sustainable planet.
Looking for a seriously remote job? https://bas.ac.uk/vacancies
Rob Larter @polarrobs.bsky.social Polar marine scientist. UK Science Lead in Science Coordination Office of International Thwaites Glacier Collaboration. Views are my own.
On Mastodon @PoLaRobs@fediscience.org
Anna @anna-lena2022.bsky.social
🫶 ☕️
https://www.buymeacoffee.com/gourmenade o
http://PayPal.me/gourmenade
Yuhang Liu @yuhangocean.bsky.social Physical oceanographer, PhD student in @antarctic.bsky.social @utas.edu.au 🧊
ice-ocean interaction in East Antarctica
Dr. Heidi Hutner @heidihutner.bsky.social Filmmaker, Professor, Writer, Ecofeminist
Director/Producer:
Radioactive: The Women of Three Mile Island -on Amazon Prime, AppleTV
Working on a new film……ATOMIC FIRE
RADIOACTIVEthefilm.com
ClimateChangePost @climatechangepost.bsky.social The ClimateChangePost: the latest news on how the shifting climate is affecting life in Europe. https://www.climatechangepost.com
Maja Göpel @beyond-ideology.bsky.social Political economist, sustainability transformation researcher, author, speaker, lecturer - www.maja-goepel.de 
Climate and Cryosphere (CliC) @clicwcrp.bsky.social A core project of the World Climate Research Programme 
ASPeCt @aspectsouth.bsky.social SCAR Expert Group on Antarctic Sea-Processes and Climate
David Pocock @davidpocock.bsky.social Independent Senator for the ACT.
Insta: davidpocock
Authorised by David Pocock for David Pocock, Canberra
Torbjörn Kagel @torbkag.bsky.social PhD researcher -- sometimes radar, sometimes cryosphere. Lover of the oceans, cappuccino, sea ice, data and bread.
Prof Alessandro Toffoli @atoffoli.bsky.social Ocean and coastal engineering, physical oceanography, Antarctic science
Stockholm Resilience Centre @sthlmresilience.bsky.social Stockholm Resilience Centre explores how people and nature can live and develop on a planet under pressure.
Dr Martin Rogers @martinsjrogers.bsky.social Machine learning researcher at the British Antarctic Survey. 
Ralf Greve @ralfgreve.bsky.social 42 😊
(Neither my age nor my year of birth...)
https://linktr.ee/ralfgreve
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
Abigail Dombey @abigaildombey.bsky.social Energy & Sustainability Engineer.
Working in decarbonisation & sustainable infrastructure. Climate, energy, net zero.
She / her.
Helen Amanda Fricker @helen-amanda.bsky.social Professor of Glaciology, Scripps Polar Center, UC San Diego
https://bsky.app/profile/scrippsocean.bsky.social
Studies Antarctica with satellites
PI of EDGE mission edge.ucsd.edu
🇦🇶🛰️🧊
Graduate of @UCL & @UTAS
❄️❄️❄️
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
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
Lars Kaleschke @seaice.de Physicist. Climate, sea ice, earth observation @awi.de #Bremen
https://orcid.org/0000-0001-7086-3299
https://det.social/@seaice
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Nina Gallo 🇦🇺 🇦🇶 🇪🇺 @ninabgallo.bsky.social Polar maritime policy | Shipboard historian | Systems thinker | Solution-seeker | Risk | Environment | Justice | Complexity |
ninagallo.squarespace.com
https://narrowroaddeepnorth.substack.com/
https://truesouth.substack.co
Dennis Horn @dennishorn.de 📲 Digitalexperte in der ARD
💡 Innovation, Strategie, KI
🎙️ Podcaster @hakendran.org
📻 vorher: Stellvertretender Programmchef 1LIVE
Simon Evans @drsimevans.carbonbrief.org Press Gazette energy & environment journalist of the year 2022
Highly commended:
Society of Editors 2025
Shortlisted:
Press Awards 2025
Press Gazette 2025
AOP 2025
Deputy Ed + Snr Policy Ed, Carbon Brief
simon.evans@carbonbrief.org
Signe Aaboe @signeaaboe.bsky.social Climate and sea-ice scientist at MET Norway.
Research interests include sea ice, oceans, and polar climate. Living in the far north and love gardening, hiking, paddling, and drinking coffee. Any opinions expressed are my own.
Clare Eayrs @clareayrs.bsky.social 
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. 🚲 ☕️ 🏔 📷
Matt King @deformedearth.bsky.social Solid-earth deformation, geodesy, ice sheets, and sea level. Professor and ARC Laureate Fellow at @utas.bsky.social ❄️⚒️🌊🧪. Flawed follower of Jesus.
Australian Antarctic Program Partnership @antarctic.bsky.social To protect Antarctica and the Southern Ocean is to protect our future on this planet. In this critical decade for action, our science explores the role of the Antarctic region in the global climate system. Led by @utas.edu.au.
🔗 aappartnership.org.au
EUMETSAT OSI SAF @osi-saf.eumetsat.int EUMETSAT's Ocean and Sea Ice Satellite Application Facility. 🛰
We are the dedicated @eumetsat.bsky.social centre for processing satellite data at the ocean-atmosphere interface.
Jan Strugnell @janstrugnell.bsky.social Marine biologist, evolutionary biologist, geneticist. Also @marine-omics.bsky.social
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/
Sebastian Seiffert @sci-ffert.bsky.social Naturwissenschaftler (Polymerchemie). Hochschullehrer (Physikalische Chemie). Im dynamischen Nichtgleichgewicht.
Dana Bergstrom @danambergstrom.bsky.social Scientist, ecologist, Antarctica, impacts of climate change & writer of musicals
Antarctica, Beneath the Storm (Cast Album) out now!
Antarcticamusical.com
#BluePlanetNeeds💙OurLove Lutruwita/ Tasmania.
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.
Özden Terli @terliwetter.bsky.social Ausgezeichneter Journalist. (DUH, medium-magazin, 2-fache Grimme Nominierung). Diplom-Meteorologe. Weather & Climate Presenter. Moderator. Speaker. Autor. Born: CO₂ 326 ppm. Fernmeldeanlagen-Elektroniker.
RP: nicht meine Meinung.
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.
Tim Stephens @proftimstephens.bsky.social Professor of International Law, University of Sydney Law School.
Former Councillor, Inner West Council, Sydney, 2021-2024.
www.sydney.edu.au/law/about/our-people/academic-staff/tim-stephens.html
orcid.org/0000-0001-9678-2227
Born at 331 ppm CO2