GarrettMAA @garrettmaa.bsky.social Climate-conflict scholar and lecturer at Barnard College.
VICTOR @victorproject.bsky.social Volcanology Infrastructure for Computational Tools and Resources 🌋
Cyberinfrastructure for the volcanology community and beyond!
https://linktr.ee/victorprojectsocials?utm_source=linktree_profile_share<sid=2e9e59d9-9220-4774-93c4-26e8a1020f43
Christian Rowan @crowan-tectonics.bsky.social PhD Candidate Lamont-Doherty Earth Observatory of Columbia University |
Interested in the development of continental rift systems | he/him
Mukund Palat Rao @mukund24rao.bsky.social Ecoclimatology 🌿~ tree-rings 🌳💍 @lamont.columbia.edu @columbiauniversity.bsky.social
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
Walter Baethgen @wbaethgen.bsky.social Columbia Climate School, Columbia University, New York
Agricultural Model Intercomparison and Improvement Project @agmip.bsky.social agmip.org
Faye McNeill @vfmcneill.bsky.social @Columbia prof, aerosol science, atmospheric chemistry, air quality (esp. in India), climate, chemical engineering, and whatever else is on my mind 🌇 she/her
Jelani Cobb @jelaniya.bsky.social your new neighbor from your old neighborhood. dean. writer. left-hander & occasional photographer. known to frequent the new yorker and columbia journalism school. 
Center for Earth Ethics @earthethicsctr.bsky.social The Center for Earth Ethics at @UnionSeminary.Bsky.Social works at the intersection of values, ethics, and ecology to confront the climate crisis.
Executive Director @KarennaGore.Bsky.Social
Kara D. Lamb @karadlamb.bsky.social Associate Research Scientist at Columbia University studying aerosols, cloud physics, & machine learning.
kdlamb.github.io
@atmosara.bsky.social @atmosara.bsky.social Columbia PhD candidate studying aerosols and their climate impacts | LDEO | Columbia Climate School
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
Dylan Davis @ddavis-arch.bsky.social Co-Editor in Chief of Archaeological Prospection; Associate Research Scientist Columbia University, Environmental Archaeologist, Remote Sensing Scientist
Center on Global Energy Policy @columbiauenergy.bsky.social Advancing smart, actionable and evidence-based energy and climate solutions through research, education and dialogue.
WorldPop Project @worldpop-uos.bsky.social Open demographic data for decision making
@unisouthampton.bsky.social
Data: http://worldpop.org/datacatalog/
News: http://worldpop.org/news/
Applications: http://apps.worldpop.org
Science Magazine @science.org Cutting-edge research, news, commentary, and visuals from the Science family of journals. https://www.science.org
Kalain Hosein 🇹🇹 @kalain.bsky.social Climate Change Consultant at CNC3TV & The T&T Guardian • Founder of TTWeatherCenter • Current: Columbia, Former TAMU
Columbia Business School @columbiabusiness.bsky.social Welcome to the official Columbia Business School Bluesky account.
Mona Hemmati @monahemmati.bsky.social Global TC Peril Lead @GallagherRe| Adjunct Associate Research Scientist @LamontEarth @ColumbiaClimate | Studying climate with a focus on #ExtremeEvents | Views are my own.
Columbia Center on Sustainable Investment @ccsi-columbia.bsky.social CCSI is the only university-based applied research center and forum dedicated to the study, practice and discussion of sustainable international investment.
🔵 https://ccsi.columbia.edu
Columbia Engineering @columbiaseas.bsky.social The official account of The Fu Foundation School of Engineering and Applied Science at Columbia University
Adam Sobel @adamsobel.bsky.social Atmospheric scientist
Barnard College @barnard-college.bsky.social The premier college devoted to women’s intellectual leadership, with all the resources of @columbiauniversity.bsky.social and New York City. Learn more at barnard.edu.
Nadia Seeteram @nadiaseet.bsky.social Climate adaptation scientist working at the nexus of climate, housing, and migration. Director of Buyouts at NYS Housing and Community Renewal. Opinions my own.
Amy Campbell @amykjcampbell.bsky.social @columbiaclimate | Climate risk and disaster | Formerly UNFCCC Negotiations
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
Andrew Kruczkiewicz @wxpizza.bsky.social Affiliations:
@columbiauniversity.bsky.social
@utwente.bsky.social
@theifrc.bsky.social
hydrometeorologist, remote sensing🛰 + disasters, floods, climate risk, compound events, early warning, 🍕
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Sheila Foster @sheilarose.bsky.social Columbia professor. Scholar of environmental and climate justice, cities, and who gets to build the future. Co-founder LabGov. Detroit born, Miami bred.
https://people.climate.columbia.edu/users/profile/sheila-foster
Galen McKinley @oceancarbon.bsky.social Ocean carbon, global carbon, climate with models and ML. Professor at Columbia DEES and Lamont-Doherty Earth Observatory.
Fabien Cottier @fabiencottier.bsky.social Lecturer in the Department of Political Science and International Relations at the University of Geneva. Environmental change, migration and conflict. www.fabiencottier.net
Casey Ivanovich @ccivanovich.bsky.social Postdoc @ NASA studying climate extremes and humid heat 🌎 previously Columbia PhD '24 and Princeton BA '17 | she/her
https://ccivanovich.github.io
Covering Climate Now @coveringclimatenow.org #CCNow is a collab of 500+ media outlets creating an all-newsroom approach to covering climate. The climate news & resources you need NOW: tinyurl.com/CCNowNL
Donate to support our work: https://bit.ly/3SMIvUW
Rebecca Leber @rebleber.bsky.social investigating the fossil fuel industry. board member of Society of Environmental Journalists.
Robinson Meyer @robinsonmeyer.bsky.social I’m the founding executive editor of Heatmap News, a contributing Opinion writer for The New York Times, and the cohost of the Shift Key podcast.
📍NYC
Emily Atkin @emorwee.bsky.social I run HEATED, a weekly newsletter and podcast devoted to climate accountability reporting and opinion. Philly-based. She/her.
Signal: @emorwee.06
Erin Biba @erinbiba.bsky.social She/Her
Freelance Science Journalist. Fact Checker.
NatGeo, BBC, SciAm, NBC News, PopSci, WIRED, and others.
Hire me to fact check your book.
I post about Jewish stuff, disability, Star Trek, and The Buffalo Bills.
Jersey girl.
Amy Westervelt @amywestervelt.bsky.social Investigative climate reporter. Ida Tarbell stan. Run Drilled.media, contrib lots of places. Author "Brought To You By" @bloomsburybooksus.bsky.social. Pod: https://push.fm/fl/drilled. YT:@DrilledMedia. Signal: adubs.78.
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
Megan Darby @climatemegan.bsky.social Heat pump appreciation account.
Liz Neeley @lizneeley.bsky.social Founder of Liminal (LiminalCreations.com) & co-founder of Unbreaking (Unbreaking.org) Focused on turning knowledge into action. #science #communication #sensemaking #scicomm She/her. Married to Ed Yong.
Taryn O’Neill @tarynoneill.bsky.social Filmmaker. Futurist. Impact Creative
Co-founder of Scirens.com
Using storytelling to shape #betterfutures 🌀
https://linktr.ee/tarynoneill
Substack: The New Protagonists
🎬✨🌍
Elizabeth Kolbert @elizkolbert.bsky.social I am a New Yorker staff writer and author of "H is for Hope," "Under a White Sky," and "The Sixth Extinction," and “Life on a Little-Known Planet." Learn more at elizabethkolbert.com.
Alexandra Witze @alexwitze.bsky.social Science journalist and correspondent for Nature (she/her). Opinions = my own. Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Dave Vetter @davidrvetter.bsky.social Climate and sustainability writer; duck monitor.
Dave Levitan @davelevitan.bsky.social Science journalist, bylines all over the place.
Book: NOT A SCIENTIST: How politicians mistake, misrepresent, and utterly mangle science (WW Norton).
www.davelevitan.com
Sign up: www.gravityisgone.com
Kendra "Gloom is My Beat" Pierre-Louis @kendrawrites.com Climate journalist based in NYC. Only speaking for myself. If the NYT has no haters I'm dead.
Tips? Reach me on Signal kendrawrites.04
John Schwartz @jswatz.bsky.social UT Austin journalism professor; former NYT, WP. he/him. Galveston BOI. Born at 314.8 ppm CO2.
Andrew Freedman @afreedma.bsky.social Senior Reporter, Weather & Climate @cnn. Priors: Axios, WaPo | Alum: The Fletcher School, Columbia Climate & Society | Tips: andrew.freedman@cnn.com | afreedman@protonmail.com | Signal: @afreedmanclimate.03
Dan Fagin @danfagin.bsky.social Professing science journalism, directing NYU's SHERP. 62-time loser, 1-time winner of the Pulitzer Prize in General Nonfiction. Probably off chasing 🦋 somewhere.
Capital Climate @capitalclimate.bsky.social The same @capital_climate you've known and loved since 2010 at The Other Place.
Nicole Kelner @nicolekelner.bsky.social Just trying to be the Leslie Knope of climate. Making climate art 🎨 Author of Electrify Everything: The Clean Energy Coloring Book | nicolekelner.com | http://artsandclimatechange.com | nicolegkelner@gmail.com
Wolfgang Blau @wblau.bsky.social Global Managing Partner Sustainable Business Practice, Brunswick Group / Advisor UNFCCC / Prior: Global COO Condé Nast / Guardian / Die Zeit
https://www.linkedin.com/in/wolfgang-blau-68726244
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
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
Bob Berwyn @bberwyn.bsky.social Europe-based climate science and policy reporter with Inside Climate News
https://insideclimatenews.org/profile/bob-berwyn/
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Bob Henson @bhensonweather.bsky.social Meteorologist and journalist. I cover wacky weather, changing climate, and how we live, love, work, get around, and dream. 
Brian Banks Ⓥ 🇨🇦 @brianbanks.bsky.social Scribbler (mainly nature, conservation, critters, science, climate); Geographer (Fellow, Royal Canadian Geographical Society); Soy nature boy. https://brian.eco/
George Monbiot @georgemonbiot.bsky.social Ungainly on land
Brian Kahn @blkahn.bsky.social Your friendly local Wired science editor
Climate One @climateone.org Your home for empowering climate conversations connecting all aspects of the climate crisis. Join us: https://bit.ly/4h8CXyy
Virginia Gewin @virginiagewin.bsky.social PDX-based science journalist writing about climate change, food security, land use, biodiversity loss, and diversity in STEM she/her
Signal: ginnyg.04
Stories here: www.virginiagewin.com
Zack Colman @zcolman.bsky.social POLITICO climate & energy reporter
SIGNAL: zcolman.75
Leo Barasi @leobarasi.bsky.social Mostly climate change & public opinion.
Book: The Climate Majority http://amzn.to/3h73dfm
Zahra Hirji @zhirji.bsky.social Bloomberg News climate reporter. Past BuzzFeed News, InsideClimate News. Mom. She/her. Views are my own.
Email: zhirji@bloomberg.net
Signal: zhirji.51
Chase Cain @chasecain.bsky.social 🌦️ Meteorologist
🌎 former NBC Climate Reporter
📍 San Francisco
https://youtube.com/@chasecain
Jonathan Watts @jonathan-watts.bsky.social Author of The Many Lives of James Lovelock, founder of Sumaúma.com and the Rainforest Journalism Fund. Guardian environment writer. - F Fiona Harvey @fionaharvey.bsky.social Environment editor at the Guardian newspaper, full-time environment writer since 2004
Christian Elliott @christianelliott.me Science journalist & audio producer / Making podcasts at NASA / Other words in Nat Geo, The Atlantic, the NYT, Science, bioGraphic, Undark, etc. / Iowan 🌽
Views expressed here are my own.
Portfolio: christianelliott.me
James Bruggers @jbruggers.bsky.social The Earth has a fever, and I covered it for Inside Climate News. Michigan native. Montana and California expat. Former Society of Environmental Journalists president and former Knight Wallace Fellow at the University of Michigan.
Dan Gearino @dangearino.bsky.social I cover the energy transition for Inside Climate News. Based in Ohio. Born in Iowa. Go MN Twins! https://insideclimatenews.org/profile/dan-gearino/
Adam Vaughan @adamvaughan.bsky.social Environment Editor at The Times. Clean it Up water campaign. Planet Hope podcast host. When not working, usually running. Previously New Scientist and Guardian.
adam.vaughan@thetimes.co.uk
Signal: adamvaughan.53
Bill McKibben @billmckibben.bsky.social Founder 350.org and Third Act, author The Crucial Years on substack https://billmckibben.substack.com/
Author of 21 books, beginning with The End of Nature
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
Mary Annaïse Heglar @maryannaise.bsky.social I write about climate change/grief/justice. Author of Troubled Waters (novel) & The World is Ours to Cherish (children’s book). Birmingham bred me, Mississippi fed me. ❤️🌍💚🌎🖤 https://www.maryannaiseheglar.com/
yessenia funes @yessfun.com I'm a queer latina climate journalist covering environmental issues through the perspective of the oppressed. find my reporting in vox, curbed, yale climate connections, & more.
subscribe to my newsletter POSSIBILITIES
💌 hi at yessfun dot com 💌
Marianne Lavelle @mlavelle.bsky.social Cover politics, Inside Climate News. If your work on climate change has been affected by the Trump administration, please get in touch with me securely via my Signal username, mlavelle.75 We want to tell your stories, even if you can't speak out publicly.
Karin Kirk @karinkirk.bsky.social Geologist, skier, science journalist for Yale Climate Connections. Former Earth and climate science writer for NASA, but our federal govt decided these topics are threatening to them. More determined than ever to keep pushing for climate solutions.
Sarah Boon @snowhydro.bsky.social Writer and editor. "Meltdown: The Making and Breaking of a Field Scientist" now available-see http://melt-down.ca Bylines in LARB, Science, Nature, Orion, Longreads, Terrain.org, and others. snowhydro1 (at) gmail (dot) com https://linktr.ee/snowhydro
Victoria Seabrook @seabrookclimate.bsky.social Climate reporter @ Sky News, covering energy, climate change and the environment. Panel moderator and speaker.
https://news.sky.com/author/victoria-seabrook-795
Amitav Ghosh @amitav.bsky.social Novelist and non-fiction writer; author of 'The Ibis Trilogy', 'The Great Derangement', 'Gun Island', 'The Nutmeg's Curse' and 'Smoke and Ashes'. 
Margaret Atwood @margaretatwood.bsky.social Writer of this and that... www.margaretatwood.ca
and margaretatwood.substack.com;I also have an Instagram account, though I don't know how to use it much, beyond posting pictures...
Sara Peach @sarapeach.bsky.social Editor-in-chief at Yale Climate Connections
Get climate solutions in your inbox: yaleclimateconnections.org/sign-up-for-our-weekly-e-newsletter/
Rachel Ramirez @rachelreports.bsky.social I write The Confluence newsletter. Former CNN Climate Writer. AAJA + Uproot Project proud. Based in NYC. Filipina American & daughter of the Northern Mariåna Islands.
Sammy Roth @sammyroth.bsky.social I write Climate-Colored Goggles, a newsletter about climate & culture. Former L.A. Times climate columnist and Desert Sun energy reporter. Also hosted Boiling Point and The Hatch podcasts.
Find me at Dodger Stadium, Disneyland or hiking in the mountains.
Dana Nuccitelli @dananuccitelli.bsky.social Research Manager for @cclusa.org, environmental scientist, climate journalist for @climateconnections.bsky.social. Views my own.
Maxine Joselow @maxinejoselow.bsky.social Climate and environmental reporter for @nytimes.com, cat mom, and baker. Send me tips on Signal at MaxineJ.55
Rafiqul Montu @rafiqulmontu.bsky.social Stories from the ground — Environment, Climate, Science, Coastal Communities, Public Health, Tech etc. Multi award winning independent investigative journalist & the pioneer of coastal journalism.
🇧🇩 Dhaka, Bangladesh.
E-mail: rafiqulmontu@gmail.com
Climate Desk @climatedesk.org A collaboration of more than a dozen news organizations dedicated to exploring the human, environmental, economic, and political impacts of our changing climate, and sharing our work with a wide audience.
Find us at: ClimateDesk.org
Patty Lane @pattylane.bsky.social Climate hope is a journey best taken with friends. Canada’s most hopeful climate columnist. @National Observer. Story teller. Bridge builder. Sometimes annoyingly persistent. Occasionally funny. Awesomeclimatestories.ca
David Knowles @writerknowles.bsky.social Deputy Opinion Page editor for @sfchronicle.com. https://www.amazon.com/Remembering-Remember-World-Trade-Center-ebook/dp/B09B8PTPHC
Hope Jahren @realhopejahren.bsky.social The scientist formerly known as Lab Girl.
I write books: https://www.penguinrandomhouse.com/authors/2111914/hope-jahren/
Romany Webb @romany-webb.bsky.social Deputy Director, Sabin Center for Climate Change Law. Working on climate, energy, carbon removal, methane removal, and more.
Suzana Camargo @scamargo.bsky.social Scientist at Lamont-Doherty Earth Observatory, Columbia University. Hurricanes, typhoons, climate extreme events. Brazilian living in the US. Tennis fan. 
@jochebedlj.bsky.social @jochebedlj.bsky.social 
The YEARS Project @theyearsproject.bsky.social We are the storytellers of the climate crisis, sharing what’s real, what’s urgent, and what’s possible.
Vicki Ferrini, PhD @vferrini.bsky.social Ocean Mapper and Geoinformaticist