The Medical Society Consortium on Climate and Health @docsforclimate.bsky.social We mobilize the health voice for equitable climate solutions.
Housed at the George Mason University Center for Climate Change Communication.
APHA @apha.org The American Public Health Association works for optimal and equitable health & well-being for all. Join us at APHA.org
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Irene 1 @irenesufs.bsky.social 
Stanley Center for Peace and Security @stanleycenter.org We partner with people, organizations, and the global community to drive global progress in climate change, nuclear weapons, and mass violence and atrocities.
Loren DeJonge Schulman @lorenraeds.bsky.social Dedicated here to the unfinished work. - 16
Messy is the work, and the work can be joyful— Shepard Fairey.
Former, future.
BASIC | The British American Security Information Council @basicint.bsky.social We work to safeguard humanity and Earth's ecosystem from nuclear risks and interconnected security threats, for generations to come.
WyoFile @wyofile.com An independent, reader-funded, non-profit news organization focused on the people, places, and policy of Wyoming. Send tips to editor@wyofile.com.
✉️ Newsletters: https://wyofile.com/newsletter-signup
📱 Mobile App: https://onelink.to/sadwq2
Future of Life Institute @futureoflife.org We work on reducing extreme risks and steering transformative technologies to benefit humanity.
Learn more: futureoflife.org
Climate Science Legal Defense Fund @csldf.org The Climate Science Legal Defense Fund protects the scientific endeavor. Email lawyer@csldf.org if you’re a scientist in need of free legal advice.
Matthew Gault @mjgault.bsky.social Nukes, weird tech, and conflict at @404media.co Host of angryplanetpod.com
Tips: matthew@404media.co // signal: 347 762-9212 
WRI Climate @wriclimate.bsky.social Advancing transformative climate solutions. Analysis, insights, and research from the Climate, Economics, Finance and Equity team at the World Resources Institute.
The Good Food Institute @gfi.org We unlock the knowledge and resources needed to transform how meat is made—satisfying rising food demand in ways that accelerate climate progress, protect animals & ecosystems, and strengthen public health.
https://linktr.ee/the_good_food_institute
Philadelphia Science Action @philadelphiascienceaction.substack.com Championing science, diversity, and fact-based policy in the city where American democracy was born. 🧪🦅
Learn more about us: https://linktr.ee/phillyscienceaction
Alondra Nelson @alondra.bsky.social Scholar, author, policy advisor
alondranelson.com
Science, Technology, and Social Values Lab
https://www.ias.edu/stsv-lab
Books: Auditing AI, The Social Life of DNA, Genetics and the Unsettled Past, Body and Soul, Technicolor
iNaturalist @inaturalist.bsky.social The place where your nature photos impact science & conservation around the world. Free, nonprofit, & community-powered. 🪲🐌🌿
Tom Schenk Jr @tomschenkjr.bsky.social The product of too much SimCity and watching too much West Wing. Managing Director of Analytics
KPMG; former Chicago Chief Data Officer;
former Iowa Dept. of Education
Cole Donovan @colesci.bsky.social Director of Science Policy and Advocacy, Stand Up for Science Foundation. Former White House OSTP, Federation of American Scientists, NOAA Office of Space Commerce, National Academies, State Department.
Science advocate. Geeky painter. Views own.
James Acton @nuclear-jim.bsky.social Co-director of the Nuclear Policy Program at the Carnegie Endowment For International Peace. I spend a lot of time thinking about nuclear weapons, advanced nonnuclear technology, and escalation.
Alexander Howard @digiphile.bsky.social Dad, writer, cyclist, citizen, cereal dilettante. Advocate for freedom of information, open governance, & democracy. Lover of the Oxford Comma, hater of hubris. Recovering journalist. Trying to move carefully, & fix things. https://civic-texts.ghost.io
Angela Kellett @angelakellett.bsky.social comms (& sometimes nukes) 🎙️
Justin Hendrix @justinhendrix.bsky.social Concerned with tech, media and democracy. CEO & Editor at Tech Policy Press. Research & Adjunct Professor at NYU Tandon School of Engineering. Opinions mine.
Science for Good ☀️ @sciforgood.bsky.social Reimagining Science!
sciforgood.org
Climate Visuals @climatevisuals.bsky.social World's only evidence-based & impact-focused climate photography resource. A Climate Outreach project.
Browse our image library and resources at climatevisuals.org
Climate Outreach @climateoutreach.bsky.social Every year we work with hundreds of partners - from charities to governments to business - to help them navigate difficult climate communications and unlock more ambitious climate action.
https://climateoutreach.org/
Yale Climate Connections @climateconnections.bsky.social We're a news service that helps you understand climate change and what you can do about it. Get climate solutions in your inbox: https://yaleclimateconnections.org/newsletters/
Faith Kearns, Ph.D. @fkearns.bsky.social Scientist writing about humans, water, wildfire, climate, and disaster in Arizona and California | views=mine
Scott Waldman @scottpwaldman.bsky.social White House energy reporter for POLITICO
swaldman@politico.com
Signal: @waldman.04
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Noah Kaufman @noahqkaufman.bsky.social Climate economist. Opinions are my own.
Chloe Hill @chloehill.bsky.social Connecting scientists with policymakers, sharing #Science4Policy resources, and creating #SciPol initiatives!
EGU Policy Manager. Knowledge Broker.
Tasmanian living in Europe.
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.
Leah Stokes @leahstokes.bsky.social Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
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.
Wim Thiery @wimthiery.eu Climate scientist modelling extreme events in a changing climate, Full Professor @vubrussel.bsky.social. Previously research fellow @kuleuvenuniversity.bsky.social and @ethz.ch. Website: https://sites.google.com/site/wimthiery/
JSTOR @jstor.bsky.social JSTOR provides access to more than 12 million journal articles, books, images, and primary sources in 75 disciplines. Part of the ITHAKA nonprofit family.
More about us: https://about.jstor.org/
Colin Demarest @demarest-colin.bsky.social 💥 author, future of defense, @axios.com.
📩 cdemarest(at)protonmail(dot)com.
™️ https://www.axios.com/signup/future-of-defense
Denice W. Ross @denicewross.bsky.social Former U.S. Chief Data Scientist. Building a more resilient national data infrastrucuture ❤️🇺🇸📊
Center for Open Science @cos.io Our mission is to increase openness, integrity, and trustworthiness of research.
📧 Contact COS: contact[at]cos.io | OSF Support: support[at]osf.io
Nuclear Threat Initiative @nti.org A nonprofit, nonpartisan global security organization focused on reducing nuclear, biological, and emerging tech threats imperiling humanity.
Michael Freeman @afreeparticle.com High School Physics Teacher. Desmos Fellow. He/him. #iTeachPhysics #EduSky
www.afreeparticle.com
@afreeparticle.com emoji tags @afreeparticleemoji.bsky.social Work in Progress: Follow to use emoji tags on @afreeparticle.com feeds.
👩🔬|👩🏻🔬|👩🏼🔬|👩🏽🔬|👩🏾🔬|👩🏿🔬 #WomenInSTEM
🍎 #EduSky
♾️ #iTeachMath
🎢 #iTeachPhysics
🥽 #iTeachChem
🧬 #iTeachBio
Emily Mullin @emilymullin.bsky.social Staff writer @wired.com covering health+biotech. Uses em dashes without AI. Stories are 100% human generated.
Author page: https://www.wired.com/author/emily-mullin/
Email: emily_mullin@wired.com
Signal: emullin.06
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.
Rebekah Jones @georebekah.bsky.social Climate and disaster scientist, famed government whistleblower, and former candidate for Congress. Expertise includes climate science, natural disasters, politics, and media.
www.MESOSCALENEWS.com
https://linktr.ee/georebekah
@kylelwiggers.bsky.social @kylelwiggers.bsky.social Ai2 Comms Lead | kylew@allenai.org | Pronouns: he/him
Clara Langevin @cclangevin.bsky.social AI Policy Specialist at @scientistsorg.bsky.social I think about AI policy in the US and Brazil- all views are my own. Lifelong Cruzeirense 💙🦊💫
FWD.us @fwd.us A policy organization working to advance politically resilient solutions to address the harmful criminal justice and immigration systems.
campsite.bio/fwd.us
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else.
ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor."
Signal: gbrumfiel.13
https://geoffbrumfiel.net/
Adam Mount @ajmount.com Deterrence, nuclear strategy, progressive foreign policy.
Fmr. FAS, CAP, CFR, Ph.D. Government, Georgetown.
Bio: ajmount.com.
Banners: @UAHIRISE.
Sludge @sludge.bsky.social A non-partisan, independent news outlet exposing the moneyed interests that control U.S. politics.
Get our newsletter: https://readsludge.com/
Karinna Gerhardt @karinnagerhardt.bsky.social NYU Law, Class of 2028
Tobin L. Smith @scipolguy.bsky.social Interested in #scipol #highered #STEMEd #scicomm.
Will Oremus @willoremus.com Covering online speech, the information economy and AI weirdness at @theatlantic.com. Shitposting about Bluesky on Bluesky.
Signal: willoremus.24
Charles Q. Choi @cqchoi.com I write about what happens at the edge between the unknown & the impossible. Science journalist for 20+ years & SFF author at Scientific American, NYT, Analog & more. Adventured to seven continents. Yondan in Toyama-ryu swordsmanship. He/him.
Matt Shipman (he/him) @shiplives.bsky.social Writer. Comms person.
Mostly sci/tech/health.
Sometimes music/food/culture.
Eagles fan.
Former cook, bouncer, (bad) server, video store clerk, life model.
Let’s make the South better, y’all.
Stuff I write for fun: https://medium.com/@shiplives
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.
sarah jeong @sarahjeong.bsky.social i write at @theverge.com. Portland, OR.
Stephanie M. Lee @stephaniemlee.bsky.social Senior writer at @chronicle.com, writing about scholarship, scholars, and society. stephanie.lee@chronicle.com / Signal: stephaniemlee.07 / stephaniemlee.com / San Francisco
Holden Thorp @holdenthorp.bsky.social Editor-in-Chief of Science and Professor of Chemistry and Medicine at George Washington University. Opinions not those of AAAS. https://holdenthorp.substack.com/about #ActuallyAutistic
Michael Eisen @mbeisen.bsky.social Nematode antagonist
Don Moynihan @donmoyn.bsky.social Policy Professor, Ford School, University of Michigan.
Irish immigrant. Administrative burdens guy.
Free newsletter, Can We Still Govern?: https://donmoynihan.substack.com
Ed Yong @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
📷 Canon R6mkii + RF 800mm
Edyong.me
Dr Ellie Murray, ScD @epiellie.bsky.social Epidemiologist and science communicator | newsletter: epiellie.substack.com | cohost @casualinfer podcast | Causal inference for public health #epitwitter | Canadian in US 🇨🇦 | she/her/Dr
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
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com
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/
Daniel Robinson @quietflosthedan.bsky.social Global affairs watcher. Fundraiser. Go go lover. DC native
Leya @leyamohsin.bsky.social making policy more evidence-based @scientistsorg.bsky.social | alum of @arnoldventures.bsky.social + @teachforamerica.bsky.social
views are my own
Ollie Stephenson @technolliegist.bsky.social Associate Director of AI and Emerging Technology Policy, @scientistsorg.bsky.social. Views are my own.
Irene Ngun @ireneone.bsky.social AD Policy Entrepreneurship. Previous lives: Urban Institute Education Data & Policy Center; National Academies Higher Ed & Workforce
Allie Maloney @alliemaloney.bsky.social Scoville Fellow at Federation of American Scientists
Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Professor at Stevens Institute of Technology. Visiting researcher at Nuclear Knowledges program, Sciences Po (Paris). Author of THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging at https://doomsdaymachines.net.
Kelly Fleming, PhD @doctorkflem.bsky.social Clean Energy, Sustainability, Transportation. CU Boulder Research Industry Partnerships. ChemE at UW and CSM. Cancer survivor 🩷. Forbes Contributor.
Working for the planet + joy it brings.
📍Colorado
Opinions are mine: https://substack.com/@drkflemingo
James Campbell @jamescampbell.bsky.social Fighting fire with (wild)fire (policy) |
DC | obligatory opinions are my own section
Katie McCaskey @katiemccaskey.bsky.social Media & PR 🧪 Federation of American Scientists (fas.org) - views here all mine ❤️ emerging tech/innovation, active transportation, built/natural environment
Eliana Johns @elianajjohns.bsky.social Senior Research Associate with Nuclear Information Project @ Federation of American Scientists & Grad Student @ Georgetown SFS | Talks about nukes and satellite imagery | (views are my own)
Mackenzie Knight-Boyle @mknight.bsky.social Research and Project Manager @ Federation of American Scientists - Nuclear Information Project
Mother to a demonic chihuahua named Pippin 🐾
Views are my own
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
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
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.
Lora Kolodny @lorak.bsky.social reporter at cnbc.com. email: lora.kolodny@cnbc.com - ex-wsj, techcrunch & all over. i cover: elon musk cos. mostly tesla & spacex (some climate tech). my posts here are my own. optimistic on the inside. dm me on signal: lorakolodny.55
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
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Sarah Laskow @slaskow.bsky.social senior editor at the Atlantic. I think a lot about climate, disease, animals, plants, risk, kids, New York City, and sometimes other cities too
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
Eric Roston @eroston.bsky.social Butterflies and zebras and moonbeams and fairy tales. Literally wrote the book on carbon. Born 326.17. He/him. "Bleakly amusing." —A. Martine.
"The dad jokes will continue until morale improves." —Charlie Jane Anders.
Signal: eroston.87
Bloomberg Green
Akshat Rathi @akshatrathi.bsky.social - Senior climate reporter, Bloomberg News
- Newsletter http://bit.ly/bbg-zero
- Podcast http://bloomberg.com/zero-podcast
- Book https://akshatrathi.com/book
- akshat.rathi@pm.me
Todd Woody @toddwoody.bsky.social Environmental journalist covering climate and ocean issues at Bloomberg News in San Francisco. Formerly at Participant Media, Fortune, Forbes, San Jose Mercury News, Sacramento Bee and other publications. www.toddwoody.com twoody4@bloomberg.net
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
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
Mark Gongloff @markgongloff.bsky.social Climate take farmer for Bloomberg Opinion
James Temple @jtemple.bsky.social Climate and energy editor, Reno bureau chief, MIT Technology Review. Ski bum. Dog dad.
Please send tips (not PR pitches) through Signal: jtemple.99
Dave Vetter @davidrvetter.bsky.social Climate and sustainability writer; duck monitor.
Laura Millan @lauramillan.bsky.social Writing about 🔥💧and all things climate at Bloomberg
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).
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
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
Heatmap News @heatmap.news A new media company focused on the biggest story of our time: climate change. Subscribe to our newsletter at https://heatmap.news.