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
Gregor Aisch @driven-by-data.net Senior Visual Data Journalist at @zeit.de. Co-founder and former CTO of @datawrapper.de. Former @nytimes.com graphics editor #datajournalism #graphics #maps #cartography #dataviz (he/him)
Minna Ålander 🌻 @alanderminna.bsky.social Analyst @sceeus-ui.bsky.social at @uisweden.bsky.social | Associate Fellow @chathamhouse.org | @cepa.org Fellow | Council Member @ecfr.eu 📸 Stas Kartashov
🎙️ co-host Mildly Alarmed
✍️ Northern Flank Notes: https://open.substack.com/pub/minnalander
Teilbar - the sharing app @teilbar.bsky.social Stop buying; start sharing with your community 💚 Sign-ups now open for the closed beta! ➤ teilbar.app 🔗
Lukas Hermsmeier @lukashermsmeier.bsky.social Journalist @zeit.de, @woz.ch, @nytimes.com etc | US politics, social movements | Based in New York and Berlin | Author »Uprising – Amerikas neue Linke« (2022) | www.lukashermsmeier.com
dell cameron @dell.bsky.social Sr. writer @wired.com:
Surveillance & coptech
Signal: dell.3030
Maddie Stone @themadstone.bsky.social Earth science PhD-turned journalist. I write about clean energy, tech sustainability, and the science of science fiction.
Website: maddiestonewriting.com
Newsletter: https://www.importantnotimportant.com/t/the-science-of-fiction
Kevin O’Sullivan @kosull.bsky.social Environment & Science Editor with Irish Times… special interest in climate change, biodiversity, renewables, sustainable food. Co-author of Supergrid Super Solution.
Brad Plumer @bradplumer.bsky.social Reporter, NYT Climate.
email: brad.plumer@nytimes.com
signal: bradplumer.54
Larry Hamilton @ichiloe.bsky.social Survey research on public views of science & environment; climate change; human/environment interactions; society in the Arctic. Also walking my dog through the woods, and gazing at the night sky. All graphs & photos are my own unless otherwise cited.
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/
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/
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.
Centre for Environmental Policy, Imperial @ic-cep.bsky.social Founded in 1977, we are Imperial College's unique interdisciplinary department conducting policy-focused research to solve environmental & sustainability issues
John Smillie @johnsmillie42.bsky.social Husband, father, dog owner, hiker, climate action advocate, amateur energy nerd, heat pump evangelist, audiobook enthusiast. Chalant, yet gruntled.
Louis Schipper @louisschipper.bsky.social Researching how can we reduce environmental impacts of land use. Current focus: GHG emissions from peat, biogeochemistry, soil carbon, temperature dependence of the biosphere. He/him. Website: waiber.com
Joel Thornton @atmostaj.bsky.social Professor of Atmospheric and Climate Science. I study the natural and perturbed chemistry and composition of the atmosphere and how it interacts with weather and climate. But, I like other things too. Opinions my own, etc.
S. W. Lawrence, MD @swlawrence.bsky.social Writer of climate fiction or cli-fi. But my work is preapocalyptic and optimistic, unlike most works in this space.
Thomas Reis @peakaustria.bsky.social Concentrated and linear Fresnel Solar PV Cooling Hybrid. Early Streamer Emitters as Lightning ⚡️ protection as Hydroxyl Dragons 🐉 for Methane oxidation.
Dirk Paessler @dpaessler.bsky.social Our mission is to speed up negative emissions
CEO Carbon Drawdown Initiative https://www.carbon-drawdown.de
VP Negative Emissions Platform https://negative-emissions.org/
Our Game Magazine @ourgamemagazine.bsky.social We like soccer. Independent coverage of women's soccer. Sometimes corny with a touch of snark but only because we care.
Current location: Panem
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
OpenAir Collective @openaircollective.bsky.social A global volunteer network advancing the responsible deployment of carbon removal via open-source policy, R&D, and communications missions.
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
Trevor Larner @trevorl.bsky.social NWSL predictions and the Washington Spirit
Roger Aines @rogeraines.bsky.social Carbon removal, photography, science communication. Check out the book Championing Science by Amy Aines and me. Most of my birds live in Livermore, California.
Dan Sanchez @danlsanchez.bsky.social Prof at UC Berkeley. Biomass, carbon removal, and wood products. PhD from Berkeley. Carbon-centric.
Shuchi Talati @sktalati.bsky.social Founder & ED of The Alliance for Just Deliberation on Solar Geoengineering (sgdeliberation.org @sgdeliberation.bsky.social), former #team46 at DOE, PhD in engineering & public policy from CMU. Working on emerging climate technologies, governance, & justice
Anu Khan @anukhan.bsky.social carbon removing, community seeking, bird watching
Robert Höglund @roberthoglund.bsky.social Carbon removal and Climate policy, http://marginalcarbon.com, http://milkywire.com, http://cdr.fyi
Previously Oxfam
EA-fan
Canary Media Inc. @canarymedia.com Canary Media is an independent, nonprofit newsroom covering the transition to clean energy and solutions to the climate crisis.
🔗 https://www.canarymedia.com/subscribe-to-our-newsletters
Buitengebieden @buitengebieden.bsky.social You will know me.. I’m Sander from the Netherlands
@maqqaioz.bsky.social @maqqaioz.bsky.social Jusqu'à ce jour, je poursuis mon parcours /
Until tomorrow, I'll just keep moving on
Ruben Timmerman @ruben.org ⭕️ Co-founder, Ops @ Moralambition.org
🪢 Co-founder, Product @ Moralfabric.org
💸 Invest in impact startups, see ruben.org
🔶 Donate 10% of wealth+income to effective causes- D Daniel Orth @danielorth.bsky.social
Silly Bird @tessaria.bsky.social We’re going somewhere good.
80 ppm over it.
#vandalizepollution
tessaria.com/zine
Benjamin Görlach @benjamingorlach.bsky.social Lead EU Climate Economics & Finance at @agoraew.bsky.social, 🚲 year-round cycle commuter, 🇪🇺 European at heart happily based in Berlin-Spandau 🦫
Tarek @tarekissa.bsky.social From tech engineer to storytelling agency founder, now helping impact founders in Tech, ClimateTech, Sustainability and more write their story at storypitch.ai
Luisa Marín @luisamarin.bsky.social Biochar Advocate | Exec Director @ International Biochar Initiative | Founder @ Instituto Latinoamericano del Biochar ILBI | 
Niki Brazzola @nikibrazzola.bsky.social Climate science and policy | PostDoc at Oxford & ETH Zurich | CDR & aviation | believing that we humans can get through this multi-crisis
Peter Sainsbury @petersainsbury.bsky.social Helping investors navigate 'The Currency of Decarbonisation'! 🏭 www.carbonrisk.world
Peter Freeman @peterfreeman.bsky.social Economist. Entrepreneur. Climate Healer. Papa. Zurich. Paris. Rio de Janeiro.🇨🇭🇫🇷🇧🇷
Rob Cheesewright @robcheesewright.bsky.social Working to restore our planet. Chief Impact Officer at Pinwheel. Climate change, biodiversity, sustainability, football and metal + Eurovision🤘Thoughts my own.
Bård Harstad @bardharstad.bsky.social Stanford economist:
Professor of Political Economy; Business & Sustainability.
GSB, SDSS, NBER, CEPR, UiO, TSE, 3ERCs, REStud editor for R&Rs only :)
https://www.gsb.stanford.edu/faculty-research/faculty/bard-harstad
CDRXIV @cdrxiv.org A public repository for preprint articles and datasets on Carbon Dioxide Removal (CDR). Developed by @carbonplan.org.
https://cdrxiv.org/
Matt Calderone @mcalderone.bsky.social climate tech and energy communications @ LaunchSquad. check out The Cooler for insights and perspectives on climate comms and storytelling: https://thecooler.substack.com/
Ivan Urlaub @ivanurlaub.bsky.social Energy, carbon tech strategist, analyst, ideation, systems; regulation, policy, economics, investment, conservative gov transitions; energy equity solutions; nuclear, data centers; consultant, baseball coach, live my values, family.
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.
Jigar Shah @jigarshahdc.bsky.social husband, dad, focused on elevating American entrepreneurs and innovators to achieve energy abundance by deploying at scale. It's simple, not easy. https://www.linkedin.com/in/jigarshahdc/
Aaron Stoll @aaronstoll.bsky.social Moving energy through space and time. Working at the nexus of transmission and storage. Please consider that I may be joking.
Danielle Fong @daniellefong.bsky.social ultralight power and energy, physics, ai, building in secret in public 
Nicole Ludwig @nnludwig.bsky.social Energy, Climate & Machine Learning (She/ Her)
Professor @Uni Augsburg
Patrick Emami @patrickomid.bsky.social ML research at the National Laboratory of the Rockies. Currently thinking about multimodal language models and assistants for scientific discovery. Optimistic about AI4Science & Engineering. #PDX #DTWD #🏃♂️🎽👟
Caroline O'Donovan @ceodonovan.bsky.social Biz reporter @ProPublica, ex-WaPo, née BuzzFeed. Labor & the human condition. caroline.odonovan@propublica.org. @ceodonovan.66 on Signal.- R Robert Walton @rwalton.bsky.social
William Sellers @wsellers.bsky.social 
Data Center Knowledge @datacenter.bsky.social The leading online source of daily news and analysis about the data center industry 🌐 datacenterknowledge.com
Edward Luce @edwardluce.bsky.social FT's US columnist/commentator. Author of several books including NYT best selling biography of Zbigniew Brzezinski (Simon & Schuster 2025). People lacking a sense of humour might get muted.
@shaylekann.bsky.social @shaylekann.bsky.social 
@terradotta.bsky.social @terradotta.bsky.social 
@terradotjs.bsky.social @terradotjs.bsky.social 
terra.gif @terradotexe.bsky.social 
Terra.do Climate School @terradotdo.bsky.social An online school for people ready to learn and do more about climate change. Since 2020, thousands have graduated and gone on to step up climate action in their work and communities.
Terradot lab @laurentterradot.bsky.social Our lab uses structural biology to study bacterial secretion systems and effectors. We are located in Lyon, France
Ronaldo Pierosan @ronaldopierosan.bsky.social Geologist, associate professor and researcher at the Federal University of Mato Grosso | Industrial Minerals and Rocks | Enhanced Rock Weathering | Geochemistry
Kyle Meyer, PhD @kylobacter.bsky.social Microbial Ecology | C cycling | Enhanced Rock Weathering | CDR | Phyllosphere | Soil Biogeochemistry
FreeGrass @freegrass69.bsky.social Informed liberated freethinker 🌍 | Passionate about climate, cannabis, and politics 🌍 | Advocating for enhanced rock weathering on a massive global scale
Tom JS Cox @tomjscox.bsky.social Working on Enhanced Rock Weathering and Soil Organic Carbon. Running, biking, hiking. Also organizing with Recht op Lucht for healthy and people centered city of Antwerp.
Luna Geerts @lunageerts.bsky.social PhD student at Uantwerpen - Geobiology. Climate data science nerd, currently working on marine enhanced rock weathering.
Anikendra Das @anikendra.bsky.social Research Associate at Mati Carbon | Low Temperature Isotope Geochemist | Enhanced Rock Weathering (ERW) | Carbon dioxide removal (CDR) | Developing novel solutions for cheap yet reliable and scalable MRV for ERW |
Eric Matzner @ericclimate.bsky.social Fighting climate change by farming for nickel with plants, while removing carbon dioxide from the atmosphere with rocks. Phytomining meets Enhanced Rock Weathering to facilitate the clean energy transition with sustainable mining, while removing excess CO2
Michal Ben-Israel @geombi.bsky.social Geomorphologist, dog lover, big fan of coffee.
Looking into how microbes 🦠 shape mountains 🏔️.
Helmholtz Global Fellow @GFZ Potsdam.
Mathilde Hagens @mhagens.bsky.social assistant professor | biogeochemistry | carbon | enhanced rock weathering | soils & oceans | Dutch & English | enjoys 🍀💃, 🍰, 🏞️, 🐈 & 📚 | views my own
Tim Jesper Suhrhoff @climatejesper.bsky.social Geochemist @Yale | enhanced rock weathering | biochar | CDR 
John Hanger @jrfhanger.bsky.social Support decarbonization, zero-CO2 generation & competitive markets. Former Commissioner of PA PUC, Secretary of PA DEP, Secretary of Policy & Public Advocate for consumers of Philadelphia's municipal utilities. Law degree.
Vatnik Soup @vatniksoup.bsky.social Fighting Disinformation since 2022.
All soups: https://vatniksoup.com/
Debunk of the Day: https://vatniksoup.com/en/topics/debunk-of-the-day/
Why we soup: https://vatniksoup.com/en/soups/vs2/
Support our work: https://vatniksoup.com/en/support-our-work/
Bram Claeys @bramclaeys.bsky.social Renewables, efficiency & politics. Belgian dad riding a bike in the apocalypse. Secretary General at @ceereu.bsky.social.
Adrienne Buller @adriennebuller.bsky.social Editor & host of @the-breakdown.bsky.social
Fellow @cmmonwealth.bsky.social
Michael Terrell @michaelterrell.bsky.social Sr Director for Energy & Climate at Google leading efforts to decarbonize global operations and value chain; Board Chair Clean Energy Buyers Association; AL native; Rocks+trees nerd; Views mine
Kartikeya Singh (कार्तिकेय सिंह) @kartikeyasingh.bsky.social Listener | Activator | Builder| Strategist
Interested in climate action, India, technological and institutional Innovation, rewilding, collective impact models and good leadership and management practices
Katherinedixon @katherinehdixon.bsky.social Energy policy - CEO & President Regulatory Assistance Project (from Jan); formerly of IEA, Bain, VP Energy Transition Shell, British diplomat
Blair Willcox @currenttech.energy Energy nerd, Michigan sports, skiing.
Working to let market signals tell us when to use electricity to electrify and decarbonize process and space heating (including steam!)
Sam Kimmins @samkimmins.bsky.social Director of Energy at Climate Group, leading RE100, EP100 and 24/7 Carbon Free Coalition
Isak Kvam @isakkvam.bsky.social MN writer interested in climate, decarb, and wild places. DM me bird, typewriter, & electricity grid fuel mix photos. Posts are mine, my own, my precious. 🔌💡
Ted Nordhaus @tednordhaus.bsky.social Founder and Executive Director Breakthrough Institute. www.thebreakthrough.org. An original ecomodernist.
John Kostyack @kostyack.bsky.social Consulting on climate change & the energy transition for NGOs & foundations at Kostyack Strategies. Senior Contributor at Forbes.com & Senior Fellow at ceea.us. All opinions expressed here are solely my own.
Reilly O'Hara @reillyoh.bsky.social carbon removal at Google
Tanuj Deora @tanujdeora.bsky.social Due process is the infrastructure-y-est of infrastructure; infrastructure is the foundation for capitalism and markets.
David J. Hayes @djhayes01.bsky.social Climate, clean energy, environment. Former SAP in White House Climate Policy Office. Now at Stanford Doerr School of Sustainability and Stanford Law School.
Dave Kirkpatrick @dkirk855.bsky.social Impact and Climate VC
Catalyst w/ Shayle Kann @catalyst-pod.bsky.social Shayle Kann asks big questions about how to decarbonize the planet. Produced by @latitudemedia.bsky.social. Listen to new episodes on latitudemedia.com or wherever you get your podcasts.
Devon Swezey @devonswezey.bsky.social Leading global clean energy advocacy at Google. Interested in decarbonization, technology, geopolitics. Boulder → San Francisco → Paris. Views my own. 
Max Tuttman @maxtuttman.bsky.social Cleantech 1.0 survivor now helping others survive climate tech at The Ad Hoc Group | Proud Bostonian stuck in DC
Ethan Mollick @emollick.bsky.social Professor at Wharton, studying AI and its implications for education, entrepreneurship, and work. Author of Co-Intelligence.
Book: https://a.co/d/bC2kSj1
Substack: https://www.oneusefulthing.org/
Web: https://mgmt.wharton.upenn.edu/profile/emollick
Tom Brown @nworbmot.bsky.social energy system modeller | professor @tuberlin.bsky.social | https://nworbmot.org | https://github.com/PyPSA | https://model.energy | openmod ally | #freethemodels | he/him
Colin Cunliff @colin-cunliff.bsky.social Clean energy innovation enthusiast. Passionate about addressing climate change. Trapeze novice. Personal account.
Claire Watkins @scoutripley.bsky.social Senior Writer for Just Women’s Sports. Host of the Late Sub podcast.
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
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
Paulina Jaramillo @paulijllo.bsky.social Professor of Engineering & Public Policy @CarnegieMellon. Energy system transtions and climate. #energysky #climatesky. IPCC AR6 WGIII. Now a @AAAS S&T Policy Fellow in the House of Reps. 🇨🇴by birth, 🇺🇸 by naturalization. 🐘lover. Views are my own.