404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
Dan Hirschman @asociologist.bsky.social Sociologist @Cornell. Currently interested in the history of inequality statistics, and the role of economic expertise in climate policy. “Venceréis, pero no convenceréis.”
Joyce Havstad @philosofir.bsky.social Philosopher of science 🌲🏔️🌈
Kalevi Sorsa -säätiö @sorsafoundation.fi Sosialidemokraattinen ajatuspaja, joka edistää oikeudenmukaista ekologista siirtymää tuottamalla julkaisuja, tapahtumia ja puheenvuoroja julkiseen keskusteluun.
Jussi Systä @jussisysta.bsky.social Talouspolitiikan asiantuntija Kalevi Sorsa -säätiössä.
Väitöskirjatutkija Tampereen yliopistossa.
Mielipiteet omia.
Economic policy specialist at Kalevi Sorsa Foundation.
Doctoral researcher at Tampere University.
Opinions are my own.
Just Collapse @justcollapse.bsky.social Just Collapse is an activist platform dedicated to socio-ecological justice in unfolding, irreversible collapse.
Also on Twitter, Instagram, Facebook, YouTube, and blog at https://justcollapse.org/ 
George Lakoff @george-lakoff.com Professor Emeritus at UCBerkeley. Best-selling author of The ALL NEW Don’t Think of an Elephant.
Robin Boardman @robinboardman.com 🪧 @extinctionrebellion.uk youngest cofounder
✍️ Writing and editing revolutionary books
🩼 Disabled with Chronic Migraines (Long Covid)
🔔 Turn notifications on for my top news
👇 Sign up for insights & stories
robinboardman.com
Leon Simons @leonsimons.com Mission: To understand & protect the home planet.
Innovator, climate research & communication, social entrepreneur.
Board member Club of Rome NL
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.
Peter Kalmus @climatehuman.bsky.social Climate scientist working at NASA/JPL and lover of truth. Arrested for defending Earth. Opinions mine. 
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
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
Simon Oldridge @sioldridge.bsky.social Cofounder National Emergency Briefing on the climate & nature crisis www.nebriefing.org | Science communicator | former manufacturing CEO & business consultant | Moog 🎹
Climate Crisis Advisory Group @climatecrisisag.bsky.social CCAG is a collection of the world’s most influential, diverse, and interdisciplinary climate experts. ccag.earth 
Ed Hawkins @edhawkins.org Climate scientist at the National Centre for Atmospheric Science, University of Reading | IPCC AR6 Lead Author | MBE | Views own | https://edhawkins.org
Warming Stripes: http://www.ShowYourStripes.info
Nahel Belgherze @wxnb.bsky.social Mainly focused on covering extreme weather events worldwide. Also interested in climate dynamics, geohazards and satellite remote sensing.
Also on X: x.com/wxnb_
Prof Lisa Schipper 🌍🍉💪 @lisaschipper.bsky.social Climate adaptation & development•Prof Development Geography @giubresearch.bsky.social•Co-EiC @climdevjournal.bsky.social•PI @dependencybonn.de•Associate @sei.org & @ecioxford.bsky.social• @welthungerhilfe.bsky.social•she/her/Du•Servant to 2 rescue 🐈⬛ •🇸🇪
Wolfgang Knorr @wknorr.bsky.social Climate scientist since 1992, author writing against authoritarian capture (https://braveneweurope.com/tag/wolfgang-knorr), activist.
Prof Bill McGuire @profbillmcguire.bsky.social Volcanologist, climate scientist, writer, broadcaster, activist, socialist, best-selling author of HOTHOUSE EARTH: AN INHABITANT'S GUIDE. Born @ 313
Home town, Llanelli (South Wales) - lives in the wonderful Peak District
Website: billmcguire.co.uk
James Dyke @jamesgdyke.info Earth systems prof & assistant director of @gsiexeter.bsky.social | Technosphere Earth newsletter https://www.technosphere.earth
Gaia Vince @wanderinggaia.bsky.social Writer, broadcaster, author (NOMAD CENTURY; TRANSCENDENCE; ANTHROPOCENE https://bit.ly/3QR898d) Human-Earth system science https://WanderingGaia.com
Prof Julia Steinberger 🌹🌱🌍 #ClimateAction #Fightfascism @jksteinberger.bsky.social Ecosocialist bluestocking. Immigrant & settler 🇪🇺🇨🇭🇺🇸🇬🇧. Social ecology & ecological economics at Uni Lausanne in 🇨🇭. Bad at email. She/her
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
EarthlyEducation @earthlyeducation.bsky.social 🌿 Environmental Scientists
🌳 Solutions & Activism
https://linktr.ee/earthlyeducation
Rose Abramoff @ultracricket.bsky.social Earth scientist and activist. She/they. Opinions expressed are my own - Facts expressed are science.
climateemergencyfund.org
Dr. Aaron Thierry @thierryaaron.bsky.social Research analyst, ASRA. PhD candidate at Cardiff University researching the role of science and scientists in the climate movement. PhD in Ecology. Climate communications.
Joeri Rogelj @joerirogelj.bsky.social prof. climate science & policy | Imperial College London | 1.5C/net zero/carbon budget/pathways/justice | IPCC & UNEP lead author | ESABCC member | father
Jacquelyn Gill @jacquelyngill.bsky.social Climate, extinction, and biodiversity scientist at the University of Maine researching Earth’s past for a better future. Writing and podcasting for the planet. Chaotic good professor. She/her.
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/
Valérie Masson-Delmotte @valmasdel.bsky.social PhD, climate scientist @lsce-ipsl.bsky.social @CEAParisSaclay @IPSL_outreach @hc_climat. Was co-chair @ipcc.bsky.social (AR6 WGI). Member of French Academy of Technology and Academy of Sciences.
Niklas Höhne @niklashoehne.bsky.social Climate policy scientist, cofounded NewClimate Institute, former professor at Wageningen, IPCC author since 2003. The views shared here are my own.
Wolfgang Cramer @cramer-bondeau.fr #Climate & #biodiversity emeritus scientist, professor of global #ecology, #CNRS, MedECC, #IPCC, Acad. d'Agriculture de France.
Occasional rail travel and bicycle geek. 🇩🇪 🇫🇷 🇬🇧 🇸🇪 🇳🇴 https://tinyurl.com/wcrame
William F. Lamb @wflamb.bsky.social Climate policy researcher at the Potsdam Institute for Climate Impact Research. I work on emissions trends, policy evaluation, carbon dioxide removal and climate obstruction. Scot in Deutschland. https://lambwf.github.io/
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
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
Ploy Achakulwisut, PhD @ploya.bsky.social Former science & mitigation lead in the UN Secretary-General's Climate Action Team | Former #ProductionGap report co-lead | 1.5°C • Fossil fuel phase-out • Just Energy Transition | Science • Advocacy • Policy • Diplomacy | #Grist50 | She/her | Views mine
John Bistline @bistline.bsky.social Head of Science at Watershed | Energy systems modeling, economics, policy | IPCC, NCA, Stanford/CMU alum | Views my own
Pierre Friedlingstein @pfriedling.bsky.social Born at 321 ppm. Climate & Carbon Cycle Scientist. Prof @UniofExeter Directeur de Recherche @CNRS @GlobalCarbonProject
Ben Sanderson @benmsanderson.bsky.social Climate scientist at CICERO, Oslo. I try to talk about climate science, but inevitably start talking about trains and bicycles if left unattended.
Navroz K Dubash @ndubash.bsky.social Professor at Princeton Univ. SPIA & HMEI
Co-Editor in Chief, Climate Policy Journal
Visiting Fellow at Sustainable Futures Collaborative - India
Dad, husband, climate wonk
Jana Sillmann @janasillmann.bsky.social Climate scientists focusing on climate extremes and their impacts, climate risk and sustainability. Professor at University of Hamburg
https://www.fnk.uni-hamburg.de/2-research/research-group-climate-extremes/team/sillmann-jana.html
Kim Cobb @kimcobb.bsky.social 40% Climate Scientist, 40% Mom, and 20% Indiana Jones. Unapologetically obsessed with carbon. Lawrence & Barbara Margolis Director, http://ibes.brown.edu. She/her. Views my own
Roland Séférian @rolandseferian.bsky.social climate scientist at #CNRM @meteofrance
| focus on #CarbonCycle & its iterations with climate | @IPCC_CH SR15 & AR7 | @esm2025.bsky.social
Frank Jotzo @frankjotzo.bsky.social Climate change and energy transition economics and policy. Prof, Australian National University (ANU) Crawford School of Public Policy. Policy advisory Australian federal, NSW, QLD governments. IPCC AR5&6.
Evelina Trutnevyte @trutnevyte.bsky.social Energy and climate mitigation from the modeling and interdisciplinary perspectives
Jessica Jewell @jdjewell.bsky.social Finding feasible solutions to climate change. Enamoured of science.
Tamsin Edwards @flimsin.bsky.social Professor of Climate Change, King's College London. Climate science, communication, recovering/managing ME/CFS. 🏳️🌈 🇦🇶 🧊
Stephane Hallegatte @hallegatte.bsky.social Chief Economic Advisor - Climate Change Group - the World Bank - toward Resilient Net Zero Development - personal opinions
Hélène Benveniste @helenebenveniste.bsky.social Climate, Migration & International Policy. Assistant Professor @Stanford Doerr School of Sustainability.
Robert Rohde @rarohde.bsky.social Chief Scientist for @berkeleyearth.org.
Physics PhD & data nerd. Usually focused on climate change, fossil fuels, & air quality issues.- L Laura Diaz Anadon @lauradiazanadon.bsky.social Chaired Professor of Climate Change Policy Cambridge U. | CEENRG Director | IPCC | EU Sci. Board on CC | Fellow St John's College | CRI & Cambridge Enterprise Board | Affiliate Harvard https://www.landecon.cam.ac.uk/directory/professor-laura-diaz-anadon
Adelle Thomas @adellethomas.bsky.social Adaptation & Loss and Damage Researcher
James Glynn @drglynn.bsky.social Founder CEO, Adjunct Professor of Energy Engineering
Purpose driven, building open source energy systems frameworks for strategic decision optimisation.
Leveraging 50 years of institutional knowledge in the #IEA #ETSAP #TIMES code.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Andy Reisinger @andyreisinger.bsky.social Climate science and policy. Also the occasional photo and random thoughts. Lead author IPCC AR7 WGIII (mitigation). Usual disclaimers...
Anita Leirfall @anitaleirfall.bsky.social Associate Professor of #Philosophy at the University of Bergen. 🇳🇴 Various philosophical interests. Kant’s theoretical philosophy is my field of specialty. Other interests: arts, science, music, literature, photography, and travels.
European Philosophy of Science Association @epsaphilsci.bsky.social EPSA promotes the discipline and profession of philosophy of science in Europe.
🌐 Our website: https://philsci.eu
📘 Our journal: https://link.springer.com/journal/13194
Science Europe @scienceeurope.org Dedicated to shaping the future of research, Science Europe is an association of major European Research Funding and Performing Organisations. Scroll through our imported posts to find out more about our activities. Visit us at scienceeurope.org
Stefanie Haustein @stefhaustein.scholcommlab.ca Associate prof, School of Information Studies, University of Ottawa @uottawa.ca
Co-director, Scholarly Communications Lab #ScholCommLab #FirstGen
open science | bibliometrics | open access | research assessment | metascience
Centre for Logic and Philosophy of Science (CLPS) @clpskuleuven.bsky.social The Centre for Logic and Philosophy of Science (CLPS) at the Institute of Philosophy (@kuleuvenuniversity.bsky.social) focuses on #logic and #philsci, with a concentration on the philosophies of the special sciences • https://hiw.kuleuven.be/clps #philsky
Teemu Toppinen @teemutoppinen.bsky.social A philosophy prof @ Tampere University. Lives in Helsinki. He/they. Philosophy, ethics, metaethics, music (on heavy rotation: death metal), politics (on the side of the good against the bad), football (FGR), green tea. Antifascist. Sometimes in Finnish.
Thiago Scarelli @tscarelli.bsky.social Lecturer in the Department of Economics at the University of Oxford | PhD from the Paris School of Economics | Labor, Development, Stats
thiagoscarelli.github.io
Aeon Magazine @aeon.co Aeon is a magazine of ideas and culture. Visit aeon.co for more.- M Mathias Frisch @mathias07.bsky.social Philosopher of science at Leibniz University Hannover. Interested in climate science, causation and explanation, trust in science.
Tero T. Toivanen @tttoivanen.bsky.social Scholar of environmental history and political economy. Founding member, BIOS Research Unit, www.bios.fi // Research Fellow, University of Helsinki
ESDiT Research Programme.bsky.social @esdit.bsky.social ESDiT is an international research programme on the Ethics of Socially Disruptive Technologies.
Peterson Institute for International Economics @piie.com The Peterson Institute for International Economics is a nonpartisan, independent research institution devoted to studying international economic policy.
Explore our research: piie.com
Peetu Keskinen @peetuk.bsky.social ◾️Economist at NAOF
◾️Doctoral studies at University of Helsinki
🔹️Fiscal policy 🎯
🔹️Econometrics 🎯
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
E. Roy Weintraub @eroyw.bsky.social Retired Duke HOPE-er.
Knowledge in Crisis @knowledgecrisis.bsky.social Philosophers investigating today's crises of knowledge.
📍Austria
https://www.knowledgeincrisis.com
Janne M. Korhonen @jmkorhonen.fi Unjust society is unsustainable -> democracy is non-negotiable.
Sustainability transition & modeling circular economy @ Finnish Environmental Institute (Syke) as a profession; defence of Finland and democracy as a hobby.
Tyyne Karjalainen @tyynekarjalainen.bsky.social Researcher at the Finnish Institute of International Affairs, doctoral researcher at the University of Turku. EU foreign & security policies, EU enlargement, Eastern neighborhood & crisis management.
Johan Wahlsten @johanwahlsten.bsky.social phd researcher @helsinki.fi | political economy of money, finance, & investment |
väitöskirjatutkija @helsinki.fi | rahan, rahoituksen ja investointien poliittinen talous | pj. @poliittinentalous.bsky.social
Teppo Eskelinen @teppoeskelinen.bsky.social Social scientist, political philosopher. Senior lecturer at University of Eastern Finland. Global justice, social change & social utopias, political economy, democracy, social movements, etc. Mostly in Finnish.
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
Joint Center for History and Economics @historyecon.bsky.social Official account for the Joint Center for History and Economics at Harvard University, University of Cambridge and Sciences Po.
https://histecon.fas.harvard.edu/
https://www.histecon.magd.cam.ac.uk/
https://histecon.fr/en/
Pavel Kuchař @pavelkuchar.bsky.social 
Otto Kyyrönen @ottokyyronen.bsky.social Pääekonomisti Uuden talousajattelun keskus UTAKissa. Näkemykset omia.
Chief Economist at the Finnish Centre for New Economic Analysis (UTAK). Own views.
Kamil Mamak @kamilmamak.bsky.social Associate Professor | ERC Laureate | PhDs in Law and in Philosophy | Habilitation in Law | Jagiellonian University | Tech/AI/Robot Ethics and Law
MODEL TRANSFER ERC Project @modeltransfer.bsky.social Our team (Catherine Herfeld, Edoardo Peruzzi, Bele Wollesen, Murat Bakeev, Oliver Budras) studies model transfer in science (especially economics) at @iphilluh.bsky.social. ERC Starting Grant project (2023 – 2029) @erc.europa.eu #FrontierResearch #ERCStG
Tanja Rechnitzer @tanjarechnitzer.bsky.social Philosopher at Leibniz Uni Hannover | Philosophy of Science; Methodology and Metaphilosophy; Public Philosophy & Science Journalism | tanjarechnitzer.wordpress.com
Poliittisen talouden tutkimuksen seura @poliittinentalous.bsky.social Poliittisen talouden tutkimuksen seura & Poliittinen talous -lehti. Suomalaisen poliittisen talouden tutkimuksen keskustelufoorumi vuodesta 2013 lähtien | www.poliittinentalous.fi
Sabaheta Ramčilović-Suominen @sabaheta.bsky.social Research professor @Luke.fi
Political ecology, decoloniality, degrowth, sust. transformations. Docent in Env. Justice @uniuef.bsky.social
https://justglobeproject.com/
https://scholar.google.fi/citations?user=iusOsZcAAAAJ&hl=en
Rethinking Economics International @rethinkecon.bsky.social Rethinking Economics is a global youth movement building an economics that works for everyone.
Logos Ensyklopedia @logosensyklopedia.bsky.social Asiantuntijoiden kirjoittama filosofian verkkoensyklopedia, joka palvelee niin tutkijoita kuin filosofiasta kiinnostuneita maallikoita ja opiskelijoita. www.filosofia.fi/fi/ensyklopedia
Heterodox Economics Newsletter @heterodoxnews.bsky.social The Heterodox Economics Newsletter is a Scientific Community Service for real-world Economic Research. You have something to share from the Heterodox Economics Universe? Write us and stay tuned! www.heterodoxnews.com
ReSES - Rethinking the Serviceability of Economics @resesargumenta.bsky.social Pandemic, war, climate crisis... Can #economics help? | Tapahtumia taloustieteestä. | #taloustiede #tutkimus
🌍 https://reses-argumenta.fi/
Alexandre Truc @alxndrtrc.bsky.social Researcher at GREDEG, Université Côte d'Azur, CNRS.
Behavioral Economics, Scientometrics, History of Economics, Applied Epistemo and Interdisciplinarity
Nadja Bieletzki (she/her) 🏳️🌈 @nadja-bieletzki.bsky.social Science Manager (LCSS, U Hannover), Sociologist, Scuba Diver, Frequent Traveler, Antifascist, First Generation Academic, Vegetarian Foodie
Rachel M Gisselquist @rgisselquist.bsky.social Professor in Governance and Development @unibirmingham.bsky.social
Director, Governance and Social Development Resource Centre @gsdrc.org
Non-resident Senior Fellow, UNU-WIDER
From Honolulu, via Helsinki and beyond—now in the UK
Institute of Philosophy LUH @iphilluh.bsky.social News and musings from the Institute of Philosophy, Leibniz University Hannover.
We do, among other things, a lot of philosophy of science!
Saúl Pérez-González @saulpg.bsky.social Philosophy of Science - University of Valencia
http://saulpe4.blogs.uv.es/
Catherine Herfeld @cherfeld.bsky.social Professor of Philosophy and History of Economics at Leibniz University Hannover; ERC project (2023-29) on MODEL TRANSFER in Science (#ERCStGr; @ERC_research), co-editor-in-chief of EJPS and of JHET.
Dissent Magazine @dissentmag.bsky.social Democratic socialist since 1954.
dissentmagazine.org
Melissa Nadia Viviana @thebeatphilosopher.com Author. Activist. Existentialist. Humanist. Beat Philosopher. Philosophy Of Mind. Dog Mom.
Writing About Philosophy Here: https://melissanadiaviviana.com/
Rose Trappes @rosetrappes.bsky.social Postdoc in philosophy of science at @vitenskapsteori.bsky.social, University of Bergen, Norway.
philosophy of biology, sometimes feminist philosophy, mostly animals and stuff. she/her
@lastpositivist.bsky.social @lastpositivist.bsky.social Aspiring philosopher; tolerable human; "amusing combination of sardonic detachment & literally all the feelings felt entirely unironically all at once" [he/his]