johnnn @johnnn.design → johnnn.design
Steve Bissonnette @stevey.com Managing Partner at Plank (plank.co) 
Alex Komoroske @komorama.bsky.social Generalist fascinated by complex adaptive systems. Co-founder and CEO of Common Tools.
https://komoroske.com
James Bridle @jamesbridle.bsky.social Artist, author of New Dark Age (2018) and Ways of Being (2022). Free Palestine, Protect Trans Kids, for ever and ever. https://mastodon.social/@jamesbridle / jamesbridle.com
Dr Abeba Birhane @abeba.blacksky.app Founder & PI @aial.ie. Assistant Professor of AI, School of Computer Science & Statistics, @tcddublin.bsky.social
AI accountability, AI audits & evaluation. Cognitive scientist by training. Ethiopian in Ireland. She/her
Hypervisible @hypervisible.blacksky.app Every future imagined by a tech company is worse than the previous iteration…or something like that. 
Evan Miyazono @miyazono.bsky.social Presumption of innocence for people, not software
Florian @csshsh.bsky.social 
J. Ryan Stinnett @jryans.bsky.social Exploring how to make programs more malleable and computing more humane | My communities: Malleable Systems, Matrix, Mozilla | He/him
Adam Wiggins @adamwiggins.com Working to make computers better. Cofounder of Ink & Switch, Heroku, and Local-First Conf.
Jack Rusher @jackrusher.com Ex-Bell Labs/AT&T Research'er making art & technology in Berlin.
🐘@jack@jackrusher.com
🐦@jackrusher
Maggie Appleton @maggieappleton.com Staff Research Engineer @githubnext.com. But actually a designer.
Adores digital gardening, end-user development, and embodied cognition. Makes visual essays about design, programming, and anthropology.
📍 London
🌱 maggieappleton.com
Matt Webb 🌸🌼🌸 @genmon.fyi building inanimate.tech / blogger at interconnected.org
Rupert Manfredi @ruperts.world https://telepath.computer
https://television.run/
John Cutler @johncutle.fish I like the beautiful mess of product development.| newsletter: https://cutlefish.substack.com
Entree 3000 @eatlasagnaday.bsky.social I got cheese, dough, and a quarter ounce of hope
Josh Marshall @joshtpm.bsky.social Founder & reigning monarch at TPM. Lapsed historian. Hand tool woodworker. Jew.
Evyatar Ben Asher @b4sher.bsky.social 
@holdenmatt.bsky.social @holdenmatt.bsky.social I like math and making stuff
Building LaTeX tools: TexSandbox.com, TeXipedia.com
ex: dropbox, google, yc
Heather Douglas @heatherdouglas.bsky.social Philosopher of science, gardener, swimmer in cold waters
Sean Lynch @sean-lynch.bsky.social AI, data, integrations, and ecosystems ◦ getcensus.com cofounder ◦ 🇨🇦ian
sean.lyn.ch
James Cham @jamescham.bsky.social Of the San Gabriel Valley; investing for the year 2030; working to improve the second derivative; looking for troublesome ringleaders.
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
James Edward Dillard @jamesdillard.bsky.social Be brave and have fun
Chris Field @chrfield.bsky.social Director, Stanford Woods Institute for the Environment.
Tim Jesper Suhrhoff @climatejesper.bsky.social Geochemist @Yale | enhanced rock weathering | biochar | CDR 
Ken Cousins, PhD @kencousins.bsky.social Ecological Economist, valuing nature-based solutions. I believe that sustainability—broadly realized—is a necessity for healthy, just, and vibrant societies. I have been active in the sustainability movement for over 35 years. My views are my own.
Martin Röck @martinroeck.com 📊⛩️ Scientist-Architect-Dad
🌾🤝 Regenerative Spaces, Resilient Communities
🇦🇹🇪🇺 Director Lead Scientist @riselabs.at x @gbdi.io
🌍👨💻 http://www.martinroeck.com
#Climate #Buildings #Materials #LCA #Policy
Mallory Barnes @mallorybarnes.bsky.social Assistant Professor at Indiana University. I think about nature-based climate solutions, remote sensing, drylands, and plant-climate interactions. 
Costa Samaras @costasamaras.com Climate, energy, emerging tech, resilience, & policy professor. Carnegie Mellon Univ. Institute for Energy Innovation Director. Former Biden-Harris White House OSTP Chief Advisor for the Clean Energy Transition. Personal account. He/Him. costasamaras.com
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
Olúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social DC. political philosopher at Georgetown, editor at @hammerandhope.bsky.social, rhythm guitarist + vox for @femiandfoundation.bsky.social. #COYS
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
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
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
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
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.
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
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/
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
Jesse D. Jenkins @jessedjenkins.com Macro-energy systems engineering, optimization & policy. Associate professor at Princeton University. Leads the ZERO Lab. Co-hosts SHIFT KEY podcast. Time100 Next & TIME100 Climate honoree. More at linkedin.com/in/jessedjenkins & zero.lab.princeton.edu
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
Richard Waite @waiterich.bsky.social Director, Agriculture Initiatives, World Resources Institute. Working with colleagues around the world to create a sustainable food future. DC-based. Own views.
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
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
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Andrew Dessler @andrewdessler.com Prof of Atmospheric Sciences & climate scientist @ Texas A&M; AGU and AAAS Fellow; Native Texan; find out what I think at https://www.theclimatebrink.com/
Kelly Hereid @kellyhereid.bsky.social Climate scientist, geologist, and catastrophe modeler, Liberty Mutual. Posts on all things hurricane, wildfire, flood, earthquake, tornado. Sassy takes are mine not employer's.
📍Oakland, CA
Website: hereidk.strikingly.com
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
Alissa Walker @awalkerinla.bsky.social I'm a writer and a walker in LA. Tracking the city's megaevent progress at Torched. LA Podcast co-host, new episodes drop every Monday. LAUSD mom. @awalkerinla everywhere else. Sign up for my newsletter at torched.la 🔥
Lissa Harris 🌈🗑️🔥⚔️🐀 @lissaharris.bsky.social COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
Madison Condon @madisoncondon.bsky.social climate risk, corporations, use & abuse of science & econ in the administrative state
papers: https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=1654671
sometimes I am here and sometimes I am not
David Weiskopf believes in you @dave.bzky.team If a box on a curb with "Free Meyer Lemons" written on it were a guy
(personal account, obviously)
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Josh Busby @busbyj2.bsky.social Professor at the University of Texas-Austin. Former Senior Climate Advisor DOD. Climate security, climate governance, clean energy, global health, US foreign policy. Author of States and Nature: The Effects of Climate Change on Security (Cambridge, 2022).
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Yonah Freemark @yonahfreemark.com Transport / Housing / Land Use / Politics / @urbaninstitute.bsky.social / Le progrès ne vaut que s’il est partagé par tous / yonahfreemark.com / thetransportpolitic.com
Juan Moreno-Cruz @jmorenocruz.bsky.social Canada Research Chair in Energy Transitions
University of Waterloo.
https://morenocruz.org
Kevin J. Kircher @kevinjkircher.com Engineering prof (mechanical + electrical) at a big Midwest state school. Energy, climate, buildings, power grid, control, optimization, data science. He/him. Personal account. https://kevinjkircher.com/ Email: my last name at purdue dot edu
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
Emily Grubert @gruberte.bsky.social civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
Sara Hastings-Simon 🇨🇦 @shastingssimon.bsky.social Currently on partial medical leave and Associate professor, Dept of Earth, Energy, and Environment, University of Calgary; co-director Electricity Centre; energy/mid-transition/carbon/innovation policy + bikes.
Ramez Naam @ramez.bsky.social Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future. 
Dana R. Fisher (aka the Apocalyptic Optimist) @fisherdanar.bsky.social Director, Center for Environment Community, & Equity and Professor, AU | NonRes Sr Fellow, Brookings | IPCCWG3 AR6 | www.danarfisher.com | TED Talk on being an Apocalyptic Optimist : go.ted.com/danarfisher
isaac @sevier.io Posting about electricity and how we can care for one other. Building @publicgrids.org. SF. they.
Latest: “Why public power campaigns win"
https://www.isaacsevier.com/notes/public-power-san-francisco-new-york-shrestha-mamdani-organize/
Arkady Martine | Dr. AnnaLinden Weller @byzantienne.bsky.social speculative fiction (Teixcalaan series, ROSE/HOUSE), climate & energy policy (all statements my own), Byzantinist (nonpracticing but never not true).
unfortunately, I care about power lines now
she/her. halfway between Santa Fe and NYC.
Danny Cullenward @ghgpolicy.org Forensic climate economist and lawyer • The carbon accounting canary in your climate policy coal mine • https://ghgpolicy.org
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
Jordan Carlson @jordantcarlson.bsky.social Canadian postdoc in Japan.
Energy, sustainability, unrelated ramblings.
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
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Meg RW @hedgewitch.bsky.social Mommy
Community Organizer - Climate, Abolition, Housing, Unions in Southern Ontario.
Very sweary.
Plants!- G g.na @gina.bzky.team Offline until locked accounts and/or “remove follower” are user options.
Joseph D. Ortiz @earthsciinfo.bsky.social NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
Jeremy Wallace @jeremywallace.bsky.social China, climate, stats, and cities. Johns Hopkins SAIS, Good Authority. No Kings.
Rebecca Bratspies, Author @rbratspies.bsky.social Professor, Tulane Law | award-winning scholar, author, speaker
scuba diver | environmental justice, climate justice, human rights, NYC history, urban policy, comic books | mom | optimist (mostly) www.RebeccaBratspies.com
Steve Cicala @stevecicala.bsky.social Vontobel Foundation Professor of Sustainable Economics
University of Zurich
Tufts University (on leave)
https://www.stevecicala.com
http://goingelectric.substack.com
Jenny Chase @solarchase.bsky.social Solar and clean power analyst at BloombergNEF, goose keeper. Author of a book, "Solar Power Finance Without the Jargon". Opinions all my own.
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.
Paul Kelleher @paulkelleher.net Moral & political philosophy, climate econ, bioethics
Author of *The Social Cost of Carbon* (OUP 2025) | Posting in personal capacity
Likes: Boston Celtics ☘️, Maine (from whence I come), bouldering, ebikes, funding public ed.
paulkelleher.net
Dr Grace S Peng @gspeng.bsky.social Same interdisciplinary scientist as on the other sites with the same handle. Chemistry, math, physics, meteorology, GIS, data whisperer.
Natural resources director, League of Women Voters of Los Angeles Co. She/Her
https://badmomgoodmom.blogspot.com/
Hisham Zerriffi @hishamzerriffi.bsky.social Energy Resources, Development and Environment Lab (ERDELab) PI. Energy, equity, justice, climate change, bioenergy. But also TTRPGs and photography (https://pixelfed.social/i/web/profile/499807930552574625). he/him.
Marci Baranski @ecomarci.bsky.social 💡 Independent consultant.
📖 Author of The Globalization of Wheat: A Critical History of the Green Revolution
🌿 Ex-UNEP, ex-USDA
📌 DC
Joe DeCarolis @jfdecarolis.bsky.social Focused on applying state-of-the-art data systems, models, and analysis to inform decision making on energy. Professor at NC State University; served as the 10th Administrator of the U.S. Energy Information Administration. Personal account.
Blake Shaffer 🇨🇦 @blakeshaffer.bsky.social Associate professor of economics at the University of Calgary. Former energy trader.
blakeshaffer.ca
Jonathan Magnolia Gilligan @jmgilligan.org Integrating social & natural sciences & modeling to study climate change & society | Behavioral approaches to climate policy | Nashville TN | They/them 🏳️🌈 🏳️⚧️ genderqueer | Jew | Friends call me Maggie | My words aren't my employer's | magnoliagilligan.org
Patricia Levi @patricia-levi.bsky.social Strategy & Market Development @ Form Energy | Stanford PhD | MIT Energy Initiative | Macro-energy systems founder
Total nerd about: big batteries, grid decarbonization, electricity markets, bikes, mountains, plants, ceramics
Views mine
holly jean buck @hollyjeanbuck.bsky.social energy & climate policy, writer, analyst, geographer
Dr. Katharine Dickson @metaomicsnerd.bsky.social Microbiome science by training; climate policy by calling.
Professional anti-methanogen crusader.
I 分かる some 日本語.
Opinions my own. She/her. 🇺🇸. ☸️ (Jōdo Shinshū).
Owner of @cowburpsbot.bsky.social
Portfolio: https://tinyurl.com/katharinedickson
Aimee Witteman @aimeewitteman.bsky.social Pro-housing decarb strategist. Midwest kid living in D.C.⚡️
Also posts on democracy, bikes, trail running, and Lake Superior shipwrecks. Personal Account.
Silvio Marcacci @silviomarcacci.bsky.social Senior Director of Communications, @energyinnovation.org. Board Advisor, @theicct.org + @co2bc.bsky.social. Tired dad.
Rage, rage against the dying of the light.
Emil Dimanchev @emildimanchev.bsky.social Interdisciplinary scientist working on energy systems and climate policy. Postdoc at Princeton ZERO Lab. Research Affiliate at MIT CEEPR. Consulting for Good Judgment. 0th-gen immigrant. Writings: dimanchev.com.
Danielle Zoe Rivera @danielle-rivera.bsky.social 🇵🇷 Assistant Professor of Landscape Architecture + Environmental Planning at UC-Berkeley | Just + Equitable Environments | Disaster (and Disastrous) Research | Occasionally gardening + a dog
Justin Gundlach @justingundlach.bsky.social General Counsel & Director of Research at The Future of Heat Initiative. Previously a senior advisor at New York's Department of Public Service. NYC denizen.
That electrified lamp in the picture used to burn gas.
Alex Barron @alexrbarron.bsky.social Climate policy wonk. Rogue biogeochemist. Assoc. Prof., Fmr. Congressional staff (AAAS_STPF). Obama EPA & Biden OMB alum.
Josh Lappen @jlappen1.bsky.social energy historian | infrastructure, decarbonization, and landscapes | Angeleno | always on the lookout for a good fun fact
coming soon to a disciplinary boundary near you!