Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Simone Salis | Creative Technologist @simone.org Street photography mixed with Zen-informed essays and podcasts on technology, society, intentionality.
#streetphotography #ricohgr #fujifilm #写真好きな人と繋がりたい #ファインダー越しの私の世界
Chicago | Italia
Josh Gabbatiss @joshgabbatiss.bsky.social Associate editor at Carbon Brief 🐸
josh.gabbatiss@carbonbrief.org ✉️
John Burn-Murdoch @jburnmurdoch.ft.com Columnist and chief data reporter the Financial Times | Stories, stats & scatterplots | john.burn-murdoch@ft.com
📝 ft.com/jbm
Michael Clemens @mclem.org Economist and professor at School of Government & Policy, Johns Hopkins University. Fellow at Peterson Institute for International Economics, IZA, CReAM, CGD. Assoc. Editor JEP. Personal views only.
Web: http://mclem.org
ORCID: 0000-0003-1354-0965
Helen Czerski @helenczerski.bsky.social Physics, bubbles, oceans, hot chocolate and curiosity. Professor at UCL, writer, broadcaster. Author of Storm in a Teacup and Blue Machine https://linktr.ee/helenczerski Co-host of BBC Radio 4's Rare Earth
Shannon Osaka @shannonosaka.bsky.social climate *zeitgeist* reporter for @washingtonpost.com. Reach me on Signal: smosaka.27
Ken Opalo @kopalo.bsky.social Associate Professor at Georgetown University.
Washington, DC.
More here: https://www.africanistperspective.com/
David Fickling @davidfickling.bsky.social Climate columnist at @opinion.bloomberg.com. Migrant from London to Warrane/Sydney. These are my views. If you don't like them, well, I have others.
FT Visual & Data Journalism @data.ft.com The FT’s team of reporters, statisticians, illustrators, cartographers, designers, and developers work with colleagues across our newsrooms, using graphics and data to find, investigate and explain stories.
https://www.ft.com/visual-and-data-journalism
Andrew Leach @aleach.ca Professor of Economics and Law at the University of Alberta. Interested in climate change, constitutional law, and energy infrastructure. Find me here or on the web at aleach.ca.
Ramez Naam @ramez.bsky.social Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future. 
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Stuart Ritchie @stuartjritchie.bsky.social 
Satwat Rehman @satwatr.bsky.social Chief Executive of One Parent Families Scotland. Co-chair of Scotland’s Just Transition Commission (Posting here in a personal capacity.
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.
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
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
Alice Evans @draliceevans.bsky.social Visiting Associate Professor at Stanford University
Writing "The Great Gender Divergence"
Substack: www.ggd.world
Prof Friederike Otto @frediotto.bsky.social 🇬🇧 🇪🇺 physicist, philosopher, lead https://www.worldweatherattribution.org/, author of Climate InJustice https://greystonebooks.com/collections/current-affairs-politics/products/climate-injustice, she/her
John Kennedy @micefearboggis.bsky.social Occasional climate scientist, diagram monkey, probabilistic historian, science anti-communicator. All views and opinions are my own. This is not, sadly, a promise of novelty: it’s a disclaimer. He/him. https://www.jkclimate.fr/
Sam Bowman @sambowman.co Editor of www.worksinprogress.co and head of publishing at Stripe. Just here to have fun.
Florian Ederer @florianederer.bsky.social Austrian 🇦🇹
Economist 📈
Not an Austrian Economist
Allen & Kelli Questrom Professor
BU Questrom, NBER, ECGI & NBER
https://florianederer.github.io/
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
Roger Pielke Jr. @thehonestbroker.bsky.social undisciplined scholar and recovering academic @AEI @DNVA1 @CUBoulder @UCL | Subscribe to The Honest Broker ➡️ http://rogerpielkejr.substack.com
Seema Jayachandran @seema.bsky.social Economics professor at Princeton. I study environmental conservation, gender equality, and (too many) other topics in developing countries.
seemajayachandran.com
Khoa @khoavuumn.bsky.social 
Ryan Briggs @ryancbriggs.net Raising kids & bread & grant money. Cleaning data & diapers & fish. EA (bed nets, not light cone). Social scientist. typos. twitter.com/ryancbriggs
Charles Kenny @charlesjkenny.bsky.social Fellow at the Center for Global Development, author of Getting Better and The Plague Cycle. (CGD doesn't have institutional positions, so don't blame it for mine).
Dr. Dawn Wright @deepseadawn.bsky.social Seafloor mapper, Chief Scientist of smart mapping company Esri, Oregon State U. GIS/oceans professor, EC50, cyclist, 1st Black submersible diver to Challenger Deep, builds w/LEGO, raised in Hawaii. NAS, NAE, ORCID 0000-0002-2997-7611; She/her; views mine
Gabriel Zucman @gabrielzucman.bsky.social Chasing wealth and income, present and past, onshore and offshore.
https://gabriel-zucman.eu
https://www.taxobservatory.eu
Dina Pomeranz @dinapomeranz.bsky.social Econ prof University of Zurich.
Faculty affiliate at JPAL, CEPR, CESifo.
Board member IIPF, Helvetas, GAIN.
#EconSky
Ranil Dissanayake @scepticalranil.bsky.social I think you'll find it's a little more complicated than that. "Office-talking monster" - my 4 year old. Deputy Chief Economist (FCDO), DPhil (BSG).
Dr Matt Winning @mattywin.bsky.social 🎤 Climate comedian
🌍 Lecturer in Economics of Sustainability @UCL.ac.uk
🌀 Environmental Expert
📚 Author of 'Hot Mess'
📻 Hosted BBC Radio 4's 'Net Zero: A Very British Problem'
www.mattwinning.com
https://linktr.ee/mattwinning
Colin McKerracher @colinmckerracher.bsky.social I manage the Clean Transport & Energy Storage analyst teams at BloombergNEF. Posts about EVs, charging, batteries, clean fuels, aviation, shipping and more. Opinions are my own.
Prof Dynarski @dynarski.bsky.social MIT-trained economist & Harvard prof | 1st-gen college grad | Education, inequality | Shitposts in a Boston accent | 1st career: union organizer
NYT Columns
https://www.nytimes.com/by/susan-dynarski
https://linktr.ee/susan.dynarski
www.susandynarski.com
Gaia Vince @wanderinggaia.bsky.social Writer, broadcaster, author (NOMAD CENTURY; TRANSCENDENCE; ANTHROPOCENE https://bit.ly/3QR898d) Human-Earth system science https://WanderingGaia.com
Jerusalem Demsas @jerusalem.bsky.social yes, like the city | Editor TheArgumentMag.com | she/her
Paddy Carter @paddycarter.bsky.social Head of development economics at British International Investment, formerly CGD, ODI, lapsed academic economist and macroeconomics hobbyist.
https://sites.google.com/site/paddycarter/
Arvind Subramanian @arvind2011.bsky.social Senior Fellow Peterson Institute for International Economics; former Chief Economic Adviser, Govt. of India
Juan Moreno-Cruz @jmorenocruz.bsky.social Canada Research Chair in Energy Transitions
University of Waterloo.
https://morenocruz.org
Dave Osmond @davidosmond.bsky.social Weekly renewable simulation of Australia's NEM
Keen on renewables, efficiency, EVs, bikes, the outdoors, running & cycling
Stuart Buck @stuartbuck.bsky.social Executive Director, Good Science Project 
Center for Global Development @cgdev.org The leading think-and-do tank for #globaldev🌍 Celebrating 20+ years of independent research & ideas for global prosperity.
mediarelations@cgdev.org
Andrew McGuire @agronomistag.bsky.social Views of an agronomist on soil, farming, and science. Evidence-based agriculture. Washington State University Extension. https://t.co/RZ11P3ozYm
Same @ on X.
Rachel Bonnifield @rachelbonnifield.bsky.social Director of Global Health Policy & Senior Fellow @Cgdev. Global health, lead poisoning, R&D, AMR, pandemic prep, pharma, econ, and development, with a side of foster kittens. Views are my own.
Angus Hervey @angushervey.com fixthenews.com
Sharing stories of human progress, environmental restoration, clean energy, and scientific discovery.
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
Nat Bullard @nathanielbullard.com Energy systems and information platforms.
I do that presentation.
https://www.nathanielbullard.com/
📍Singapore
holly jean buck @hollyjeanbuck.bsky.social energy & climate policy, writer, analyst, geographer
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.
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.
Joey Politano🏳️🌈 @josephpolitano.bsky.social Writing a data-driven newsletter about economics @ apricitas.io
Nuance? In this Economy
Full Employment Stan, Brazilian Coffee Tariff Victim |
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
Ember @ember-energy.org Global energy think tank accelerating the clean energy transition with data and policy #CleanPower info@ember-energy.org
https://ember-energy.org/
Harris Berton @harrisberton.bsky.social Climate dad, Canadian energy policy nerd. I post about energy technologies and how we can use them to stop climate change. Views my own. #energysky
Tim Harford @timharford.ft.com FT columnist, BBC journalist, author, host of Cautionary Tales, professional nerd.
@wdmacaskill.bsky.social @wdmacaskill.bsky.social 
Alexander Berger @albrgr.bsky.social CEO of Coefficient Giving
David Evans @daveevansphd.bsky.social Economist at the Center for Global Development. Formerly: Inter-American Development Bank, World Bank, RAND Corporation, & my local movie theater. I mostly share about international development research plus books and movies. Views mine, not my employer's.
Stefan Schubert @stefanschubert.bsky.social I run The Update newsletter: www.update.news
Book: academic.oup.com/book/56384
Tom Chivers @tomchivers.bsky.social "Far too nice to be a journalist," per Terry Pratchett. Lead writer on Semafor's Flagship newsletter. DMs open; chiversthomas(a)gmail.
Latest book, Everything is Predictable: geni.us/EIPBook
Podcast, The Studies Show: https://www.thestudiesshowpod.com
Dan Visioni @danvisioni.bsky.social Climate scientist studying aerosols, chemistry, radiation, climate & society from Volcanoes 🌋and Climate Intervention. Assistant Professor at Cornell EAS, from 🇮🇹proudly🏳️🌈 More at https://dan-visioni.github.io/ and https://www.wcrp-climate.org/ci-overview
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/
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
Auke Hoekstra @aukehoekstra.bsky.social Sharing hope and debunking FUD against electric vehicles and renewable energy. Director NEONresearch.nl @TUeindhoven Founder Zenmo.com.
Corey Cantor @coreybcantor.bsky.social Research Director, ZETA. Avid Nets fan, Coldplay aficionado, and follower of DMB. Formerly: BNEF Senior Associate for Electric Vehicles. Cory Booker econ Senate staffer, NDN think tanker, Wash U & Yale YSE grad. Views are my own.
Cross Government Climate Hub (CGCH) @collectiveforc1.bsky.social Hosted by the Collective for Climate Action (CfCA): UK Public Sector volunteers connecting the UK Government, Academics and Charity Sectors on Climate. Join us here or share/use our resources: http://linktr.ee/cfca you could surprised 🌍
Tyler Norris @tnorris.bsky.social "An expert in power systems" -NYTimes | J.B. Duke Fellow @DukeU | Substack: http://powerpolicy.net
Chris Colose @ccolose.bsky.social Climate scientist. Interested in past, present, and future Earth and planetary climates.
Alec Stapp @alecstapp.bsky.social Co-founder IFP
Kevin Hall @kevinh-phd.bsky.social Nutrition, metabolism & obesity scientist. KevinHallPhd.com
Richard Tol @richardtol.bsky.social Professor Dr Richard S.J. Tol FREcon MAE
Economist interested in energy, environment, and climate
EBS19 (E4 B3 S12), H127
ORCID https://orcid.org/my-orcid?orcid=0000-0002-8012-3988
Sam Butler-Sloss @sambutl3r.bsky.social Research on the global cleantech revolution @Ember-energy.org
Ex-RMI
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/
Rust Never Sleeps / George Morrison🇨🇦 @rustneversleeps.bsky.social Investment pro here for
• climate science, economics, solutions, policy, investment, impacts
• energy transition
• economics
Big on domain experts/expertise, abundance, potential.
*V* anti- fake experts, poseurs, snark, *esp.* climate-related.
Daan Walter @daanwalt3r.bsky.social Principal Strategist at Ember
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.
Prof Ray Wills @profraywills.futuresmart.com.au Futurist
Disruption
Ag, biz, cities, climate, ecology, economy, energy, renewables, robots, tech, transport
World Top100 Sustainability
MD Future Smart Strategies™
Prof UWA
Be Good
(I only follow accounts with name+pic+profile + poke me!)
Rachel Glennerster @rglenner.bsky.social President CGD. Development economist. Passionate about impact, evidence and innovation.🔸10% pledge. Posts=personal views.
cgdev.org
Michael Liebreich @mliebreich.bsky.social Host @CleaningUpPod. CEO Liebreich Associates. Managing Partner Ecopragma Capital. Founder, Contributor @BloombergNEF. Ex Board TfL, Board of Trade. Olympian. Don't message me - I'm not prepared to give away personal data to prove my age. Srsly BlueSky!
Prof Richard Betts @richardabetts.bsky.social Climate scientist, University of Exeter & Met Office. Expert Adviser to Adaptation Committee of the Climate Change Committee. Lead author IPCC AR4, AR5, AR6 & AR7. Live music lover, supporter of grassroots venues. Cycles a lot, rock climbs occasionally.
Lee Crawfurd @leecrawfurd.bsky.social Senior Research Fellow at the Center for Global Development
https://www.cgdev.org/expert/lee-crawfurd
Conrad Hackett @conradhackett.bsky.social Demography nerd at Pew Research Center
Global religious change, sociology
Simon Clark @simonoxfphys.com Science communicator, video maker, author, podcast creator. PhD in theoretical atmospheric physics. Born at 354 ppm.
Ambassador for @coolearthaction
https://linktr.ee/simonoxfphys
Brian Klaas @brianklaas.bsky.social Professor of Global Politics @UCL. Author of “Fluke." Writer @TheAtlantic. Host, Power Corrupts podcast. The Garden of Forking Paths Substack.
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Lauri Myllyvirta @laurimyllyvirta.bsky.social Co-founder and lead analyst, Centre for Research on Energy and Clean Air; senior fellow, Asia Society Policy Institute: tracking & accelerating progress from polluting energy to clean air, with research and evidence.
Bob Kopp @bobkopp.net #Climate & sea level science + policy. Rutgers University. All views my own. www.bobkopp.net
Linus Blomqvist @linusblomqvist.com PhD student at the Bren School at UC Santa Barbara, former Director of Food & Agriculture and Conservation programs at the Breakthrough Institute. Land use/conservation/agriculture. Birder. www.linusblomqvist.com.
Tamar Haspel @tamarhaspel.bsky.social James Beard winning WaPo columnist writing about food & science, author of TO BOLDLY GROW, gentleman oyster farmer. 
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Elisabeth Gilmore @lisgilmore.bsky.social Climate scientist, engineer, public policy, and social scientist; SDG and climate action synergies expert group; IPCC lead author AR6 Working Group II; GEO-7 lead author; Associate Professor, Carleton University, Ottawa, Canada
@boyanslat.bsky.social @boyanslat.bsky.social 
Steven J. Davis @stevenjdavis.bsky.social Professor at Stanford Doerr, Advisor to Watershed. Steer Global Carbon Project, Co-lead Carbon Monitor, Contributing Author to IPCC, Tech Council of SBTi. https://sustainablesolutions.stanford.edu
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Robbie Andrew @robbieandrew.bsky.social Senior scientist at Oslo-based CICERO Center for International Climate Research • 🌍Global Carbon Project • https://robbieandrew.github.io/
𝙲𝚑𝚊𝚛𝚕𝚎𝚜 𝙲. 𝙼𝚊𝚗𝚗 @charlescmann.bsky.social Author of "1491, "1493," and, most recently, "The Wizard and the Prophet." Podcast, co-hosted w/ Virginia Postrel, about the history of things you didn't know even *have* a history: http://bit.ly/4unQNCY
Ryan Katz-Rosene, PhD @ryankatzrosene.bsky.social Professor studying contentious climate debates, climate urgency, 'Climateflation', and society-environment relations (and all things Canada 🇨🇦). Co-Host http://EcopoliticsPodcast.ca Views are my own (not my employer's)!
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com