Danny Cullenward @ghgpolicy.org Forensic climate economist and lawyer • The carbon accounting canary in your climate policy coal mine • https://ghgpolicy.org
Katherine Clark @whipkclark.bsky.social Democratic Whip of the U.S. House of Representatives. Proudly representing the people of #MA5. Defender of women, kids & justice. She/Her
Iveta Silova @isilova.bsky.social Scholar of education and planetary futures 🌍 | Exploring the intersections of post-socialist, post-colonial, and decolonial thought | Looking for portals 🌿 | Professor at ASU | @isilova.bsky.social
Aaron Putnam @aaronputnam.bsky.social Dad. Husband. Earthling. Associate Professor of Earth Science at the University of Maine. I am interested in glaciers and climate in the past, present, and future.
@climateliteracy.bsky.social @climateliteracy.bsky.social 
MIT Center for Sustainability Science and Strategy @mit-cs3.bsky.social Our research improves understanding of sustainability challenges and helps decision‑makers address global change, enhancing well‑being for current and future generations.
Website: https://cs3.mit.edu/ 
James Dinneen @jamesdinneen.bsky.social Science journalist reporting on Earth for @nature.com; writing book about the deep interior of Earth for @vikingbooks.bsky.social. Send tips via Signal @jamesnesw.44. Email is easy to find. Newsletter: northeastsouthwest.substack.com
Fossil Free Football @fossilfreefootball.bsky.social 💪 Kicking fossil fuels out of football! #DropAramcoFIFA
⚽ Join us on TikTok, Instagram and LinkedIn
🔗 linktr.ee/fossilfreefootball
Kate Schapira: "Well Put & Generalizable" @kateschapira.bsky.social I wrote a book, LESSONS FROM THE CLIMATE ANXIETY COUNSELING BOOTH: HOW TO LIVE WITH CARE AND PURPOSE IN AN ENDANGERED WORLD. Let me know if you think you could use it for something.
Dan Westervelt @dwesty.bsky.social Associate professor in climate change, atmospheric chemistry, and air pollution at Columbia-Lamont @lamont.columbia.edu
@lesleyclark.bsky.social @lesleyclark.bsky.social Covering climate law for @EENewsUpdates/@politico
Previous life: McClatchydc/Miami Herald
🚲 + 😼 + 🖼️ person/reach me @ lclark@eenews.net
signal @ lesleyclark.73
Jacob Simon (says) @jacobsimonsays.bsky.social 🪴Good stories for a breath of fresh air
📍Brooklyn, New York
📧 jacob@jacobsimonsays.com
👇All story sources, newsletter, actions & more👇
jacobsimonsays.com/bio
Maddie Stone @themadstone.bsky.social Investigative journalist focused on the fossil fuel industry. I also write about the science of Star Trek.
Read my latest at ProPublica:
https://www.propublica.org/article/wedges-climate-research-bp-fossil-fuel-princeton
Anna Eshelman @annamaps.bsky.social Maps, design, and illustration for climate science, the natural world, and mission-driven causes. Designer at climate.us.
Paolo Bacigalupi @paolobacigalupi.bsky.social Hugo, Nebula, and World Fantasy Award winner. Micheal L Printz Award winner. National Book Award finalist.
Wrote NAVOLA, THE WINDUP GIRL, THE WATER KNIFE, and SHIP BREAKER, among others.
windupstories.com
sam @wisconsam.bsky.social Born 2 blog. Covering climate. Professionally nosy. News & UX u can use. Friend-aunt. Knitter. Of the prairie.
Solid Evidence @solidevidence.bsky.social Molecular virologist, sewage sage and wastewater wizard.
https://lung.fish
Marc Johnson
Professor
Jennifer Ouellette @jenlucpiquant.bsky.social I cover science and culture at Ars Technica. Former science editor, Gizmodo. Ex-vangelical. Rodeo fan. Married to @seanmcarroll, servant to two cats: Ariel and Caliban. Baltimore, MD. She/her.
Dakota Smith @weatherdak.bsky.social Digital Meteorologist at @CNN.com, Science Communicator, & Creator
Twitch partner, (sometimes) live at night: twitch.tv/weatherdak.
Jakob Snoeink @jakobsno.bsky.social (Planetary) Climate Scientist. Interested in interactions of clouds, circulation, radiation, and climate. Earth and beyond.
Currently studying low cloud feedbacks @UHamburg & IMPRS/MPI-M
miriam nielsen @zentouro.info urban worm farmer. ricocheting between bored and furious. currently furious. climate scientist.
i talk about climate change a lot. she/her 🏳️🌈
videos @ https://youtube.com/zentouro
Lisa Sorg @lisasorg.bsky.social NC reporter, Inside Climate News. Native Hoosier, fan of lichens, ants, rivers. Ardent upcycler. Lost the state spelling bee on the word “gauche.” Signal: 919-536-2341 
Erin Schulte @erinschulte.bsky.social Senior editor, Inside Climate News. Environmental news wrangler & booster, ICN Local. Nebraska-born, DC-based.
Liza Gross @lizagross.bsky.social Reporter for Inside Climate News. Focus on ag, oil and gas, conservation, environmental justice. Live and work on unceded Lisjan Ohlone land. (she/her) SEJ, IRE, AHCJ, SPJ NorCal
Jamie Smith Hopkins @jsmithhopkins.bsky.social Managing editor at Inside Climate News. Priors: Center for Public Integrity, Baltimore Sun, Ames (Iowa) Tribune.
Kiley Bense @kiley.bsky.social Journalist at @insideclimatenews.org covering climate change, the environment, public health, and politics.
Recent work:
https://insideclimatenews.org/profile/kiley-bense/
Martha Pskowski @psskow.bsky.social Reporter for Inside Climate News in El Paso, Texas. Reporting on water, oil, gas, borders.
Keerti Gopal @keertigopal.bsky.social reporting on health and climate justice @insideclimatenews.org | signal @ keerti.33
Katie Surma @katiesurma.bsky.social Journalist at Inside Climate News covering human rights and the environment, and the rights of nature movement
Dennis Pillion @dennispillion.bsky.social Alabama reporter for Inside Climate News. Previously at AL.com. Also previously well rested.
Wyatt Myskow @wyattmyskow.bsky.social covering public land debacles, water shenanigans and other climate-related tomfoolery in the southwest for Inside Climate News | get in touch @ wyatt.myskow@insideclimatenews.org
Lee Hedgepeth @leehedgepeth.bsky.social Alabama reporter for Inside Climate News. Storyteller. Alabamian. I write Tread by Lee, a newsletter of Southern journalism. Sign up at www.TreadbyLee.com
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/
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.
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.
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
Paul Horn/Inside Climate News @paulhornographic.bsky.social The graph on the wall tells the story of it all. Bringing award-winning infographics to Inside Climate News readers since 2012. Pls. visit, subscribe, share & donate insideclimatenews.org (no pay wall)
Vernon Loeb @vernonloeb.bsky.social Executive Editor, Inside Climate News 
Kiley Price @kileyprice.bsky.social Reporter at Inside Climate News, writing Today's Climate newsletter. Words in National Geographic, Time, Slate and more | NYU SHERP 41
Subscribe to our newsletter for all things climate: https://insideclimatenews.org/newsletter/
Jake Bolster @jakebolster.bsky.social Wyoming and Western reporter for Inside Climate News.
jake.bolster@insideclimatenews.org, signal: @jbolster.97
lauren dalban @laurendalban.bsky.social 
Emily L Williams @emilywilliams.bsky.social Climate Change & Climate Impacts. Postdoctoral Scientist @ UC Merced: https://emilylynnwilliams.wixsite.com/emily-l-williams
David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social I am a marine conservation biologist studying sharks and a science writer. Posts are about science and the environment, science communication, and more! He/him
Lily Dove @solilyquy.bsky.social Oceanographer and climate scientist 🌊 | Assistant Professor at Georgia Tech 🐝 | MIT/Caltech alumna 🦫 | Penguin enthusiast 🐧
Abigail Swann, PhD @ecoclimatelab.bsky.social I study how climate works differently because of plants. Professor at @Univ. of Washington, views are my own. She/her
Emily Gardner @emfurd.bsky.social Deputy editor @eos.org. Usually worrying. Often baking cookies. Views my own.
Signal: emfurd.54
@elizabethginexi.bsky.social @elizabethginexi.bsky.social Former NIH Program Official for 22 years. Speaking in my personal capacity. Opinions expressed are my own.
Andrew Kruczkiewicz @wxpizza.bsky.social Affiliations:
@columbiauniversity.bsky.social
@utwente.bsky.social
@ifrc.org
hydrometeorologist, remote sensing🛰 + disasters, floods, climate risk, compound events, early warning, 🍕
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. 
Jeff Schlegelmilch, MPH, MBA @jeffschlegel.bsky.social Associate Professor of Practice at Columbia Climate School | Director of National Center for Disaster Preparedness at Columbia U | Author Rethinking Readiness | Co-Author Catastrophic Incentives
Marc Alessi @marc-alessi.bsky.social PhD Climate Scientist, Union of Concerned Scientists | Colorado State/Cornell alum | Syracuse, NY | opinions my own #JoinYourUnion
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.
Virginia Schutte @vgwschutte.bsky.social Independent (freelance) #SciComm practitioner: storyteller, consultant, trainer. Specialties: social media, communications strategy, building community. Background: (marine) ecology PhD. Open to work. VirginiaSchutte.com
Andrew Williams @andrewilwilliams.bsky.social Postdoc at UC San Diego | physics of climate 🌤️ 🌍 | PhD Oxford | views my own | he/him
andrewilwilliams.github.io
Clare E. Singer @claresinger.bsky.social Researching clouds & climate @ CU Boulder 🌧🌎 • ex-NOAA GFDL • NOAA C&GC Fellow '24 at LDEO • Caltech ESE PhD '23 • UChicago Physics BA '18 • she/her • All views expressed are my own and do not necessarily reflect those of my employer.
MIT Sloan Sustainability Initiative @mitsloansusty.bsky.social This is the official Bluesky account for MIT Sloan Sustainability Initiative. We are currently not active on this platform.
Robbie Andrew @robbieandrew.bsky.social Senior scientist at Oslo-based CICERO Center for International Climate Research • 🌍Global Carbon Project • https://robbieandrew.github.io/
Jan S. Fuglestvedt @janfuglestvedt.bsky.social Research Director, CICERO, Vice-chair IPCC Working Group III
Kate Mackenzie @katemac.bsky.social finance, energy, climate, geopolitics, industrial policy
@thepolycrisis.bsky.social
in Australia -> DMs hard to retrieve, best to email
Ryan C. Smith @rcsmitheco.bsky.social History prof. Author of, "The Real Oil Shock: How Oil Transformed Money, Debt, and Finance". Economic historian, writing at the Spark
https://the-spark.ghost.io/
Also published in Liberal Currents, OilPrice.com, and the New Republic.
Catherine Wolfram @cwolfram.bsky.social Climate and energy economist at MIT Sloan. Former DAS at Yellen Treasury.
Chelsea Harvey @chelseaeharvey.bsky.social Climate & extreme weather reporter | POLITICO | PEN Guild | Former (and forever) E&E News | NYC via NC SC AL WV
TIPS: charvey@politico.com | chelseaeharvey@protonmail.com |
Signal @chelseaeharvey.01
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Jeff VanderMeer @jeffvandermeer.bsky.social NYT bestselling author of the Southern Reach series, including Annihilation. Agent Joe Veltre at Gersh / speaker bureau Authors Unbound. To contact, use the contact form at jeffvandermeer.com. PDX, anti AI, he/him
Pierre Charbonnier @picharbonnier.bsky.social Climate politics
Researcher CNRS, prof SciencesPo, writer (Affluence and Freedom, Polity books, 2021, War Ecology).
Co-founder @construirecolo.bsky.social
Views my own
Pete Sikora @petesikora.bsky.social The climate crisis & inequality. Married, two kids. Lifelong NYCer, diner guy.
With nychange.bsky.social, directing climate/jobs campaigns 9 years. Previous: 10 yrs CWA D-1, 7 yrs NYPIRG. On climate only, my takes are NYCC “official”. 🇵🇸
Jeff Colgan @jeffcolgan.bsky.social Professor of International Relations and Political Science. Interests: international order, energy, climate change, historical IR 
Global Tetrahedron @globaltetrahedron.bsky.social Global Tetrahedron was born of the shadows, and it is committed to control in all its forms. Parent company of The Onion.
Mark Ruffalo @markruffalo.bsky.social A husband, father, actor, director, & a climate justice advocate with an eye out for a better, brighter, cleaner, & more hopeful future for all of us.
Fight for the Future @fightforthefuture.org 👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
Dr Charlie Gardner @charliejgardner.bsky.social Conservationist, activist, writer and researcher, rebelling against extinction
Andrea Pitzer @andreapitzer.bsky.social Books! One Long Night: A Global History of Concentration Camps, Icebound: Shipwrecked at the Edge of the World, & a Nabokov bio. Now working on Snowblind: Death on the Polar Ice. Former karateka & record store clerk. Newsletter & podcast: andreapitzer.com.
California Environmental Justice Alliance (CEJA) @ceja.org Coalition of 10 grassroots orgs fighting for environmental justice in CA. We defend low-income communities of color on the frontlines of pollution to build healthy communities for all. Affiliate organization to @ceja-action.org
RachelBC 🌎🚀🛰️🔭💫 @rachelbc.bsky.social Research scientist @MIT working with @NASA to make Earth & space more accessible & engaging. Here for the science and games 🧪
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
Diana Vieira @dicasivi.bsky.social Environmental engineer 👩🔧| IPCC AR7 Lead author 🌐 | Woman scientist 👩🔬| Post-fire researcher 🔥| Soil erosion modeler 💻 | Geek 🎲| Views of my own 🧐 |
ec.europa.eu
https://linktr.ee/dicasivi
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
Merriam-Webster @merriam-webster.com noun | a reference source containing words alphabetically arranged along with information about their forms, pronunciations, functions, and etymologies
Lex McMenamin (they/them) @lexmcmenamin.com movement building reporter @us.theguardian.com
forever philly, longtime nyc
member @transjournalists.org
TIPS: lex_mcmenamin.68 on Signal
linktr.ee/lexmcmenamin
Living Climate Futures Lab, MIT @lcfl-mit.bsky.social An interdisciplinary project exploring how climate change plays out in everyday lives by strengthening community partnerships and building bridges across STEM and SHASS disciplines.
MIT Climate Policy Center @mitclimatepolicy.bsky.social MIT’s “front door” to evidence-based climate research for local, state, national and international policymakers
MIT Climate Project @mitclimateproject.bsky.social A whole-of-MIT initiative to tackle the challenges of global climate change. Within a decade, MIT seeks to identify and launch solutions that will change the expected trajectory of global climate outcomes for the better.
climateproject.mit.edu
Local News International @lni.media The official Bluesky of LNI Media. Dave Jorgenson explains the news using his unique brand of short form videos. Become a member at https://lni.media/membership
Sentient @sentientmedia.org Stories + solutions for a changing world.
Nonprofit, nonpartisan news outlet investigating factory farms and their effect on climate, animals, health, politics and more.
Send tips to sentientmediatips@proton.me
Brendon Slotterback @bslotterback.bsky.social Decarbonization. Likes charts. Helping philanthropy and government advance clean energy. PGH🌲 🚲
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.
Environmental Justice Leadership Forum @ejlf.bsky.social We are a coalition of leaders dedicated to fighting for climate justice & protecting frontline communities suffering from the climate crisis.
https://linktr.ee/admin/links
Josh Ettinger, PhD @joshettinger.bsky.social PhD from Oxford University's School of Geography and the Environment; post-doc with the Center for Climate Change Communication at George Mason University; currently based in Brussels
https://www.josh-ettinger.com/
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.
Mongabay @mongabay.com Award-winning nonprofit media outlet publishing global environmental science & news in 8 languages via bureaus in India, Brazil, Africa, Latin America, Indonesia & US: https://mongabay.com
Hot & Toxic @hotandtoxic.bsky.social Exposing the truth about the dangers of "natural" gas & the fossil fuel industry's disinformation at hotandtoxic.com.
Michelle Merrill, PhD @perplexedprimate.bsky.social organizing with Scientist Rebellion Turtle Island, recovering academic who worked on Higher Ed for Sustainability, anthropology, behavioral ecology, evolution, social learning
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Dr. Twila Moon @drtwilamoon.bsky.social Glaciologist & Deputy Lead Scientist @nsidc.bsky.social. Climate Science Engagement Lead @ciresceee.bsky.social. 2025 AGU Climate Comms Awardee. More at www.changingice.com. Views my own!
Laurie Laybourn @laurielaybourn.bsky.social How do we navigate uncharted climate territory? Lead: www.scri.org.uk
Researcher at Chatham House, IPPR, University of Exeter
Mark Bray @mark-bray.bsky.social Historian @ruhistorydept.bsky.social
Open Measures @openmeasures.io Open Measures is an open-source threat intelligence and social media research platform created to assist those who investigate and track the spread of harmful online content.
🌐 Website: https://openmeasures.io/
📬 Newsletter: https://blog.openmeasures.io/
Jared Holt @jaredlholt.bsky.social Senior researcher at @openmeasures.io
Co-host of "Posting Through It": https://www.patreon.com/PostingThroughIt
Jessica McKenzie @jessimckenzi.bsky.social reporting, writing, editing climate change stories @thebulletin.org // outdoorsy newsletter: jessicastarmckenzie.com/newsletter // tips: jmckenzie@thebulletin.org, jsmckenzie@protonmail.com, or jessimckenzi.01 on signal