Arvind Ravikumar @arvindpawan1.bsky.social Assistant Professor, University of Texas at Austin
Co-Director, Center for Energy and Environmental Systems Analysis (CEESA) studying greenhouse gas emissions measurements and carbon accounting across global energy supply chains.
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
David Burbach 🇺🇸 @dburbach.bsky.social Prof. National Security and International Relations. Space security, civil-military relations. Cats, science, photography for fun. Providence RI; Oregon at heart! Personal views ONLY; no govt resources used. Assoc Ed @TNSR.org
Olúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social DC. political philosopher at Georgetown, editor at @hammerandhope.bsky.social, rhythm guitarist + vox for @femiandfoundation.bsky.social. #COYS
molly taft @mollytaft.com disaster dyke on the apocalypse beat @wired.com . very tall with a very short dog. they/them. molly_taft@wired.com, signal: @mollytaft.99. mollytaft.com
Plain Kate @k8thek8.bsky.social I ride a bike therefore I care about cities. Also love rock climbing, RPGs, SFF, heavy metal & martial arts. From Wəlastəkokewiyik territory, living in Anishinaabe territory. She/her but not a sonofabitch about it.
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.
John Smillie @johnsmillie42.bsky.social Husband, father, dog owner, hiker, climate action advocate, amateur energy nerd, heat pump evangelist, audiobook enthusiast. Chalant, yet gruntled.
Christian Roselund @roselund.bsky.social Analyst, writer, and decarbonization wonk. #YIMBY and #energytransition advocate. @climateactionri.org co-lead: #yestowind campaign. Personal account: these opinions are mine, all mine.
Henry Yuen @henryyuen.bsky.social Complexity, in all its forms.
Associate Professor of Computer Science at Columbia University.
http://www.henryyuen.net
Matthew Lewis -- living in the era of cults and consequences @mateosfo.bsky.social I make things, including bike rides, state housing laws, bread, and trouble. Quality varies with rainfall, political winds, and tire pressure. Run comms at @cayimby for the love of cities.
Brendan Dawe @dawe.bsky.social Your friendly neighbourhood Vancouverite
Housing abundance enthusiast. Planning & Real Estate Consultant.
Vive le Canada. Elbows Up
The discourse is broken @brokendiscourse.bsky.social Ex-journalist/film critic. Biden/Harris Democrat. Pragmatic progressive. Taylor Swift/NIN.
Big fan of serious people.
Ryan Hassett @ryanhassett.bsky.social This account has concentrated costs and diffuse benefits.
Josh Kantor @jtkantor.bsky.social Organist for Boston Red Sox games at Fenway Park. I also do a bunch of other music stuff.
Rail Fans Canada @railfans.ca Dedicated to the exploration and discovery of rail public transit across Canada.
Links: www.RailFans.ca | YouTube.railfans.ca | Discord.railfans.ca
tony romm @tonyromm.bsky.social economic policy correspondent at the new york times
tips? signal: tonyromm.62
https://www.nytimes.com/by/tony-romm
John Timmer @jtimmer.bsky.social Ars Technica's science editor. Various other things that are far less interesting.
Check my author profile on Ars for my email. jtimmer.95 on Signal.
Brad DeLong @braddelong.bsky.social Author of "Slouching Towards Utopia: An Economic History of the 20th Century". Too online since 1995. Sometime Deputy Assistant Secretary of the U.S. Treasury. UC Berkeley Professor.
Ryan Sholin @ryansholin.bsky.social Data-driven decarbonization at @electricitymaps.com
Almost certainly that guy you know from the internet.
There are 20 data centers between my house and the grocery store.
Sometimes this is a light-on-context soccer account. Sometimes VAR is trash.
Warm Up The Guillotine @fiverdrive.bsky.social perpetually tired
Richard Corsi @corsiaq.bsky.social Dean - College of Engineering at the University of California, Davis. Indoor air quality researcher. Dog lover. Music lover. Acoustic guitarist. Faith in younger generations.
Posts are my own.
Andy Craig @andycraig.bsky.social @theunpopulist.net
Election law and policy, liberalism and democracy, and occasional pugs.
Tal Lavin @swordsjew.bsky.social journalist, author, reads too much. haggard and unblest. trans guy, he/him.
newsletter:
buttondown.email/theswordandthesandwich
contact: talialavinwrites@gmail.com
Codify Baseball @codifybaseball.bsky.social 250+ MLB pitchers have worked with Codify to elevate their game! ⚾️ Chat here and visit codifybaseball.com to learn more about how our analytics help pitchers succeed!
Atrios @eschatonblog.com I used to be famous on the internet. Have a blog.
https://eschatonblog.com
Currently near Toon
Nilo @nilo.bsky.social Mentally I’m on the beach.
Railway Electrification
FROVO @frovo.bsky.social posting jokes while the world burns
Most Liked:
tinyurl.com/topfrovojokes
Most Chronological:
tinyurl.com/frovotweets
Pun Cop: tinyurl.com/PunCop
Math Cop: tinyurl.com/math-cop
My Cool Store:
doodlybugstudio.etsy.com
My Webbie:
doodlybugstudio.com
Dan Schroeder @dvschroeder.bsky.social Physicist, educator, number-cruncher. Cartoon by the great Cal Grondahl. physics.weber.edu/schroeder
Jeff Sharlet @jeffsharlet.bsky.social Bestselling author of THE UNDERTOW: Scenes from a Slow Civil War; THE FAMILY, also a Netflix series; C Street; THIS BRILLIANT DARKNESS; & SWEET HEAVEN WHEN I DIE. AI stole them all. Professing @ Dartmouth. That's not my cat.
Johanne Boucher @johanneboucher.bsky.social Tea addict|book lover|writer.
Neurodivergent|Info Specialist (MLIS)
Montréalaise à Ottawa
*Blocks yellers/political partisans*
📚/🎾/⛸️/soap fan.
Profile pic of red tea lights+candles on white holders.
Background yellow + red tulips near pathway and canal.
Terence Tao @teorth.bsky.social Mathematician at UCLA. My primary social media account is https://mathstodon.xyz/@tao . I also have a blog at https://terrytao.wordpress.com/ and a home page at https://www.math.ucla.edu/~tao/
Emmett Proulx @emmettproulx.bsky.social I design infrastructure for pedestrians and people on bikes. Also love transit. Posts are my personal opinions and do not reflect the position of my employer
By Cory Doctorow (GPG 0xBF3D9110957E5F4C) @doctorow.pluralistic.net I post long threads. Writer (sf novels, etc); blogger (pluralistic.net); activist (eff.org). Latest book: "The Reverse Centaur's Guide to Life After AI" Buy my books (DRM-free!) at craphound.com/shop.
Ben Wurgaft @benwurgaft.bsky.social writer, historian, appetite!
https://benwurgaft.org/
Michael Geist @mgeist.bsky.social Law Professor, Canada Research Chair in Internet and E-commerce Law, University of Ottawa
www.michaelgeist.ca
Law Bytes Podcast: https://open.spotify.com/show/5iDUCcDrkzGai0OdTgoucv
http://mgeist.substack.com
Lauren Donovan Ginsberg @laurenginsberg.bsky.social she/her | Roman lit, culture, & history (& all things Nero) at Duke | Mellon Leadership Fellow | humanities advocate | catch me on WiredTechSupport: https://tinyurl.com/RomeWired | Read about Myths of Useless Humanists: https://tinyurl.com/HumMyths
Quantian @quantian.bsky.social Locked in and posting regularly on here now
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Tim Clare @timclare.bsky.social (he/him) Author, podcaster & tabletop games writer. Books: The Game Changers, Coward, The Honours & The Ice House.
https://uk.bookshop.org/p/books/the-game-changers-how-playing-games-changed-the-world-and-can-change-you-too-tim-clare/7687024
JChianello @jchianello.bsky.social I'm running to be the next Ottawa city councillor for the fabulous ward of Kitchissippi in the Oct. 26, 2026 municipal election!
Garnet Henderson @garnethenderson.com Cofounder @autonomynews.co. Investigative reporter and researcher: abortion, reproductive justice, disinformation.
Seen in The Nation, ELLE, Scientific American, WIRED, and more. Wyoming-born New Yorker.
Signal: garnethenderson.12
garnethenderson.com
Matthew Sheffield @matthew.flux.community 🟦 Analyst and writer focusing on cognition, politics, religion, technology, and media
🟦 Host, Theory of Change
🟦 Writing @flux.community, and frequently quoted or published in NYT, WaPo, NBC, Variety…
Signal: matthewsheffield.01
Jennifer N. Victor @jenvictor.bsky.social Political Scientist at George Mason U. studying US politics, congressional networks, parties, campaign finance, and other broken systems. Cat person, dog owner. Take my class: https://tinyurl.com/bderak89 Read me: https://substack.com/@misofact
Elizabeth Wrigley-Field @wrigleyfield.bsky.social Sociologist/demographer specializing in mortality, racial inequity, Covid-19. Avid theater-goer, inconsistent powerlifter, and erstwhile operator of an all-volunteer bookstore. Preschool parent. Living not-quite-car-free in Minneapolis. she/her
Stephen E. Sachs @stephenesachs.bsky.social Antonin Scalia Professor of Law, Harvard Law School
Reporter, Advisory Committee on Appellate Rules
(speaking only for myself)
stevesachs.com
Adam Schwarz @adamjschwarz.bsky.social Writer & Political Commentator | Making ground-level documentaries on the people, movements and events reshaping Britain & beyond.
Who are Britain’s new far right? Watch our first film 👇
https://youtu.be/ii7UIibLYW4?si=mWxs14s8Ol1T1dMN
Garvan Walshe @garvanwalshe.org Civic entrepreneur building broadsheet social media at kronkite.social. Lobbyist for electric planes.
I also chair Unhack Democracy, write on foreign affairs do green libertarianism with epicenternetwork.eu
My substack: garvanwalshe.org
Lauren Dobson-Hughes @ldobsonhughes.bsky.social I run an organisation that designs policy and campaigns on foreign policy, gender, health and rights. Used to work in two Parliaments. Mancunian in Canada
Amanda Marcotte @amandamarcotte.bsky.social Senior politics writer at Salon.com. I block for MAGA trolling, violent rhetoric, and humorless sanctimony.
I would love nothing more than to never see another meme in replies. I am doomed.
Subscribe to Standing Room Only: salon.com/newsletter
Jamal Greene @jamalgreene.bsky.social Dwight Professor of Law, Columbia Law School. Ex-DOJ/OLC. Becoming familiar with your game.
How Rights Went Wrong available at Bookshop.org (https://tinyurl.com/se32my4r), Amazon (https://tinyurl.com/3vbcfwa4), or a decent public library.
Miles Taylor @milestaylor.bsky.social Ex nat’l security official. NYT bestselling author. Was “Anonymous” — now encouraging people to take their masks off. Also, aspiring Ghostbuster. Speaking out daily @ www.DEFIANCE.News
Elizabeth Jacobs, PhD @elizabethjacobs.bsky.social Blue in Arizona, forged in the Burgh.
1elizabethtjacobs1@gmail.com
@defendpublichealth.bsky.social
https://www.defendpublichealth.org
Meredith Shiner @meredithshiner.com current twitter ex-pat. past congressional reporter. contributing editor @newrepublic.com. running a communications consulting business and raising a tiny baseball fan irl.
let’s work together! ⬇️
meredithshiner.com
Jag Villani @jagvillani.bsky.social (he/him)
Settler residing on unceded Anishinaabe Algonquin land
All-weather cyclist
Possibly a squirrel
Against fascism & weak coffee
Mask up for the health of your loved ones & community
Uphold José Mujica Thought
Defend Trans rights 🏳️⚧️.
G.H.Moore @ghmoore.bsky.social MN—>NC—>MN for now + TBD! Urban planner-person ~ transportation, land use, zoning, environment | Often transportation and specifically Amtrak posting, probably! [also Minnesota sports, sorry!] | Opinions are just mine, thanks!
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Molly Knight @mollyknight.bsky.social Journalist and author. @HoFoCo.org board member.
My newsletter, the Long Game, is about baseball, creativity, and mental health. You can find it here: https://mollyknight.substack.com.
My dog is named Canelo.
Rebecca Tushnet @rtushnet.bsky.social Trademark, advertising, and more
Katie Drummond @katie-drummond.bsky.social Global Editorial Director at WIRED.
Board member @freedom.press
Speaker at UTA
Better Things Are Possible @internethippo.bsky.social 
@chrishk.bsky.social @chrishk.bsky.social Bikes. Coffee. Butter tarts. Active transportation proselytizer.
Sarah McAnulty, Ph.D. @sarahmackattack.bsky.social Squid biologist
Science communicator
Artist
Philadelphian
I run @SkypeAScientist.bsky.social
Creator of the SquidMobile
https://linktr.ee/Sarahmackattack
Michael Nielsen @lasermike.bsky.social Canadian undertaking spectroscopy and optoelectronics research Down Under.
Senior Lecturer and Scientia Fellow at SPREE, UNSW Sydney
https://www.aos-nielsen-group.com/
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
Colette Delawalla, PhD @cdelawalla.bsky.social Founder & CEO of @standupforscience.net
Standupforscience.net substack.com/@sciencefightclub
PhD in Clinical Psychology
"Colette is brass knuckles...w/ spikes tipped in poison"
“Delusional broad”
"Lady Switchblade"
“Ditsy socialist liberal”
Dan Grey @dangrey.bsky.social Energy and transitioning from fossil fuels. Complex issues I try to shine a light on. Ex-UKAEA and Met Office, now working in community energy. Occasionally politics
Exeter, UK
Canada Ministry of Pedestrians @minpedca.bsky.social #WalkPerspective. Here because we need safe walking, wheeling & cycling in Canadian cities. Posts by Martyn of Kjipuktuk/Halifax.
Tommy Blanchard @tommyblanchard.bsky.social PhD in neuroscience, MA in philosophy. Writing about science and philosophy of mind: https://cognitivewonderland.substack.com/
Pyke @pykey.bsky.social Ottawa resident for the past few decades. I'm passionate about biking, the outdoors, municipal politics and urban places for people. I'm also a nurse and believe in science and vaccines. Oh and I love local beer on a fun patio. 🏳️🌈
Vicky Smallman @offhandremarks.bsky.social Feminist. Trade Unionist. Mom of teens. Learning and unlearning constantly and working to make things better. She/her. Posts are my own
Dave Robertson @davebikeski.bsky.social Livable, accessible cities. Oceans, lakes and forests. Owner Let's Go Cargo! Bike Rentals. Canadian sovereignty🚲❄️⛵⚓🛶🌳
Ryan Moulton @moultano.bsky.social Algorithmist
https://moultano.wordpress.com/
Jeopardy! @jeopardyofficial.bsky.social Watch Pop Culture Jeopardy! on Netflix 🍿
Stream Jeopardy! on Hulu & Peacock 💙
Jan Rosenow @janrosenow.bsky.social Professor of Energy & Climate Policy at University of Oxford
Energy Programme Leader at ECI, University of Oxford
Senior Research Fellow at Oriel College, Oxford
Senior Associate Institute for Sustainability Leadership, University of Cambridge
Danielle Citron @daniellecitron.bsky.social Professor at the University of Virginia School of Law; Vice President of the Cyber Civil Rights Initiative; #MacFellow; Author of The Fight for Privacy: Protecting Dignity, Identity, and Love in the Digital Age (2022) and Hate Crimes in Cyberspace (2014) 🍋
Jonathan @renewableenergy.bsky.social Berkeley Law alum, ex-BigLaw (renewables); worked on CA’s microgrid & climate adaptation policies. My content: renewable energy, sustainability, climate action & greentech. Built 14 custom Bluesky feeds for the energy transition. 💯 free newsletter 👇🏼
Angie Rasmussen @angierasmussen.bsky.social Virologist. PI working at but not speaking for USask. Co-EiC of Vaccine. 🇺🇸 in 🇨🇦. Emerging viruses, pathogenesis, zoonosis, host responses, dogs, football, off-color language, transcriptomic chaos. Opinions my own.
Sara Constantino @smconstantino.bsky.social Assistant Professor at Stanford’s Doerr School of Sustainability, Visiting Scholar Princeton SPIA. Sustainable dev’t, climate, energy, collective action, crises, behavior, decision making. 🇵🇹🇧🇷🇨🇦
Bill Amend @billamend.bsky.social Cartoonist/Nerd. Creator of FoxTrot
Chris Taggart 🏡 ⚡️ 🔌 @christaggart.com Heatpump Papa. Software Engineer. Climate. Cargo Bike Dad.
Building software + communities to accelerate residential electrification.
@electrify613.bsky.social
https://electrify613.ca, YOW
Heather Badenoch 🇨🇦 @heatherbadenoch.bsky.social She/Her. Living liver donor (non-directed), plasma donor. Skye and Dori’s fur-mom. Runs Village PR: comms for nonprofits. Lefter than left. Not related to that hateful UK "leader." Taller than you. Ottawa 🇨🇦
Madalina Vlasceanu, PhD @madalina.bsky.social Assistant Prof of Environmental Behavioral Sciences at Stanford Doerr School of Sustainability. Director of the Stanford Climate Cognition Lab https://climatecognition.stanford.edu
@steinly0.bsky.social @steinly0.bsky.social Astro Physicist. Scientific Director @arXiv
Planets, Stars, Black Holes & Stuff. Whole Universes, If Needed.
Dynamics of Cats; To Say Nothing of The Dog.
Marcus C Sarofim @marcusmarcusrc.bsky.social Climate scientist, ex-EPA. Writing climate science & policy at The Saraph Report. Saraph, my name's root, means fire, which is appropriate for climate work. Interested in books, food, and contra dancing when not obsessing over carbon.
Kyle Cheney @kyledcheney.bsky.social Senior legal affairs reporter at POLITICO with a focus on democracy, the balance of power and the clash between the Trump administration and courts.
Jake Tapper, long-suffering Philly sports fan @jaketapper.bsky.social Dad, husband, CNN anchor, author, doorman to three dogs and a cat.
Bill Kristol @billkristolbulwark.bsky.social Editor at large, The Bulwark.
Director, Defending Democracy Together.
Host, Conversations with Bill Kristol.
Never Trump.
Seva @seva.bsky.social book: http://amzn.to/2oRD2yG. substack: https://hegemon.substack.com/
Blayne Haggart @bhaggart.bsky.social Professor, Political Science, Brock University
Knowledge governance, IPE, Sydney Swans tragic
Co-author, with Natasha Tusikov, The New Knowledge: Information, Data and the Remaking of Global Power (Bloomsbury, 2023). Open Access.
Arthur Leichthammer @aleichthammer.bsky.social Policy Fellow Geoeconomics @ Jacques Delors Centre, Berlin
Prof. Michael Fuhrer @michaelsfuhrer.bsky.social Epidemic epistemic trespassing.
Knows a lot about graphene.
Monash Uni. Directed fleet.org.au.
Fellow @scienceacademy.bsky.social
Plays bass for:
instagram.com/push_the_trigger
instagram.com/defibrillatorofficial
Bird photos:
flickr.com/photos/off-world
Adam Bonica @adambonica.bsky.social Professor of Political Science at Stanford | Exploring money in politics, campaigns and elections, ideology, the courts, and inequality | Author of The Judicial Tug of War cup.org/2LEoMrs | https://data4democracy.substack.com
Adam Kucharski @adamjkucharski.bsky.social Epidemiologist/mathematician. Professor at London School of Hygiene & Tropical Medicine. Author of The Rules of Contagion and The Perfect Bet. Views own.
New book Proof: The Uncertain Science of Certainty available now: proof.kucharski.io
John Walke @johndwalke.bsky.social I am the Federal Clean Air Director and a senior attorney for the Natural Resources Defense Council. This is my personal account.
Ernesto Galvão @efgalvao.bsky.social Associate Professor at the Physics Institute of Universidade Federal Fluminense (UFF) in Niterói, Brazil. My research is on quantum computation (especially photonic) and foundations of quantum theory.
https://sites.google.com/view/efgalvao/home
Joel Wertheimer @wertwhile.bsky.social Civil rights attorney. COYS. 
Colin McGowan @csmcgowan.bsky.social Used to write for lots of places. Now mostly at Flaming Hydra, a co-op newsletter: https://flaminghydra.com/contributor/colin-mcgowan/
DMs are fine // colinsilasmcgowan at gmail
Paul Tassi @paultassi.bsky.social The Forbes Destiny guy and also other things 
Daniel Dale @ddale8.bsky.social I’m a senior reporter at CNN.