Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Christian Fong @christiantfong.bsky.social Now: decarbonizing the electricity sector with
@rockymtninst.bsky.social | Then: @INDems @HawaiiSenate | Always: @UCBerkeley | all views are my future dog’s
Megan Darby @climatemegan.bsky.social Heat pump appreciation account.
Erin J Campbell @erincampbell234.bsky.social MPH Spring 2025 @ GWU, Research @ BU Epidemiology
Fossil fuels, repro + perinatal health, and justice.
erincampbell234.github.io
Mark Paul @markpaulecon.bsky.social Associate Prof, Public Policy, Rutgers
PhD Econ, UMass Amherst
Ben Geman @bengeman.bsky.social Energy reporter w/@Axios. Former stops incl. National Journal, The Hill, E&E, Boston Phoenix (RIP). I'll probably post about running too. Tips/feedback: ben-at-axios.com, on Signal at Ben.408
Rory Jacobson @rorypjacobson.bsky.social Former DOE. Trying to decarbonize and stay off the bad bird app.
Michael Bueno @michaelbueno.bsky.social Climate and clean energy advocate @envdefensefund & @edfaction.
Thoughts are my own. 
Jake Higdon @jakehigdon.com Building the industrial backbone for the clean economy @ industrialzones.org. Helped design/implement Obama- and Biden-era energy and manufacturing policies. Clean economic development, climate, running, PNW hoops. I still believe in America.
Raymond Guiteras @guiterasecon.bsky.social NCSU (ARE, Global WaSH, CEnREP), JPAL.
Work-related private account. All opinions my own.
https://go.ncsu.edu/rpguiter
Buy the sky and sell the sky
Personal account at @raymondguiteras.bsky.social
Michael Lazarus @mlazo.bsky.social Climate policy wonk, reluctant social media user, emeritus senior scientist & former ED @ SEI-US, outdoors junkie, adjunct prof @ Univ of WA, aspiring newbie jazz pianist 
Adele Morris @adelecmorris.bsky.social Always in my personal capacity.
John Quigley @johnhquigley.bsky.social Senior Fellow @kleinmanenergy.bsky.social. Consultant. Former Secretary, PA DCNR and PA DEP. Former Mayor of Hazleton, PA. Many other formers.
Ken Acks @costbenefitkmaacks.bsky.social Supporting Rational Evaluation over Preconception by Facilitating Comprehensive Quantification of Costs and Benefits www.costbenefitgroup.com envirovaluation.org. Adjunct Prof NYU Schack Institute for Real Estate
Morgan D. Bazilian @mbazilian.bsky.social One of the world's foremost experts on energy security, energy poverty, critical minerals, national security, international investment, and space resources. 
Max Tavoni @maxtav.bsky.social Prof. Climate Econ Modeling| Director, European Institute on Economics and the Environment
Siddharth Jain @siddharthjain.bsky.social PhD candidate, The Fletcher School, Tufts University | Fellow, Climate Policy Lab | Green Economic Development, Industrial Policy, and Innovation
International Renewable Energy Agency (IRENA) @irena-official.bsky.social The International Renewable Energy Agency supports countries in their transition to a sustainable energy future.
JW Mason @jwmason.bsky.social Associate professor of economics, John Jay College-CUNY; senior fellow, Groundwork Collaborative. Writing at jwmason.org. Study economics with me: https://johnjayeconomics.org. Anti-war Keynesian, liberal socialist, Brooklyn dad. From the river to the sea.
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
Concrete Cowboy @damanfu.bsky.social Min(Distributional impacts) + max(Just transition); vibing out in Brooklyn, born x raised in Los Angeles :) probably to the left of my employer, so YMMV
Sorry about the parasociality. Tricky phenomenon that one.
https://readymag.website/damanfu/2503426/
Ben Cahill @bencahil.bsky.social Director, Energy Markets and policy, CEESA, UT Austin. Energy, geopolitics, Middle East, transitions, methane, LNG, NOCs, running, cocktails.
Dr. Katharine Wilkinson 🌱 @kkwilkinson.bsky.social 🤸🏻♀️ Climate author, teacher, creator 📚 Climate Wayfinding (new!), All We Can Save, Drawdown, etc ✨ Lead @allwecansave.bsky.social 🎙 Co-host, A Matter of Degrees 🍑 ATL
True loves: 🐎🐕🐈⬛🕺🏼🌳🌖⛰️
Dr. Manuel Pastor @profmpastor.bsky.social Distinguished Professor of Sociology at USC & Director of the USC Equity Research Institute. @eri-usc.bsky.social Most important: Proud pop.
Bio: https://dornsife.usc.edu/eri/manuel-pastor
Books: ChargingForwardBook.com & SolidarityEconomics.org
Ezra Klein @ezrakleinbot.bsky.social Ezra Klein’s tweets, articles, clips and podcasts on Bluesky.
Matthew Yglesias @mattyglesias.bsky.social 
Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
Christophe McGlade @christophemcglade.bsky.social Head of Energy Supply at International Energy Agency. Belfast boy. 
Addison Killean Stark @addisonkstark.bsky.social Clean Industrialist | Chief Boilermaker AtmosZero | Advisor to Starlight Ventures & Avila VC
Eric Hittinger @elephanteating.bsky.social Inaugural Director of RIT's School of Public Affairs, WILL International Chair at Univ. of Lille, & Past President of the US Association for Energy Economics. Batteries, renewables, electricity markets, and emissions. Sometimes I bike across the continent.
Minwoo Hyun @minwoohyun.bsky.social PhD Candidate in Economics @UCSB
Grady McCallie @gradym.bsky.social Environmental advocate in North Carolina. Water, flood resilience, climate, toxics, growth. Non-work: gardening, books, hiking.
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. Bob Howarth @profbobhowarth.bsky.social Professor at Cornell University, Earth system scientist, co-EiC Land-Ocean-Atmosphere Research
Matthias Fripp @matthiasfripp.org Finding the best ways to integrate all the energy things—wind, solar, geothermal, nuclear, hydrogen, transport, industry, buildings. Creator of Switch model—software to help with this. Global Policy Research at energyinnovation.org. Opinions are my own.
Christoph Bertram @christoph-bertram.bsky.social Energy systems modeling & policy analysis - Associate Research Professor at Center for Global Sustainability, CGS @ctrglobsust.bsky.social at UMD @univofmaryland.bsky.social
German living and biking in DC, and with odd interest in basketball
Views my own
Arnab Datta @arnabdatta.bsky.social Personal Account. Views my own & RT/Likes do not equal endorsements.
Currently at Employ America and IFP
Andrew Gelston @agelston.bsky.social Energy Professional, Storage. Entropy arbitrageur.
Personal Account. Weaponized Curiosity, with vibes
Core Values:
https://youtu.be/-hDPK865N9I&t=57s
&
http://youtu.be/tHPHy2cvDOA&t=34s
&
http://youtu.be/x5rh8NNLHV0&t=28s
Nick Cunningham @nickcunningham.bsky.social Reporter for Gas Outlook, covering oil and gas industry. Previously at DeSmog.
Portland, Oregon
https://nickcunningham.blog/
https://gasoutlook.com/authors/nicholas-cunningham/
https://www.desmog.com/user/nick-cunningham/
Gregory Brew @gbrew24.bsky.social Analyst EurasiaGroup. Iran, energy. Wrote some books.
Geoff Dabelko @geoffdabelko.bsky.social Environment, climate, peacebuilding & security plus age-friendly & climate resilience in our Grey Green Alliance. Prof at Ohio University, partnering with Wilson Center, SIPRI, OSU Age-Friendly Innovation Center- D David Wessel @davidmwessel.bsky.social Director, Hutchins Center on Fiscal & Monetary Policy, Brookings Institution
https://www.brookings.edu/people/david-wessel/
Dan Kammen @dankammen.bsky.social Husband & father of two amazing daughters, former Obama and Biden Administration(s) energy, climate and justice team member. Decarbonization and climate justice. Pilot. Astrophotographer. Very concerned US resident. Professor: http://rael.berkeley.edu
Laura Castro-Diaz @lauracastrodiaz.bsky.social Assistant Professor, School for the Environment, UMass Boston
Energy+Water Justice. Sustainability. Community-Based Research.
Colombian & Coffee lover
She/Her/Ella
https://lauracastrodiaz.com/
Erin Baker @erinbakerenergy.bsky.social Energy Equity Research. The Energy Transition Institute @UMass energytransitionumass.org
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.
Bob Kopp @bobkopp.net #Climate & sea level science + policy. Rutgers University. All views my own. www.bobkopp.net
Chuck Tingle @chucktingle.bsky.social World’s greatest author
Andrew Freedman @afreedma.bsky.social Senior Reporter, Weather & Climate @cnn. Priors: Axios, WaPo | Alum: The Fletcher School, Columbia Climate & Society | Tips: andrew.freedman@cnn.com | afreedman@protonmail.com | Signal: @afreedmanclimate.03
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.
Jack Conness @jackconness.bsky.social Senior policy and regulatory associate at Fervo Energy. Based in Denver. Opinions are my own. Check out the IRA + CHIPS Dashboard: https://www.jackconness.com/ira-chips-investments
Jacob Greenspon @jacobgreenspon.bsky.social Economist PhDing @oxfordecondept.bsky.social & researching @harvardrte.bsky.social. Labour, energy, innovation, history & 🇨🇦
sites.google.com/view/jacobgreenspon
Matt Ashenfarb @mashenfarb.bsky.social PhD student at Yale School of the Environment studying environment and energy economics
Jhih-Shyang Shih @jhih-shyangshih.bsky.social System Analysis and Economics for Public Decision Making
Fellow, Resources for the Future
Stefan Andreasson @bstefan.bsky.social Reader in Comparative Politics at Queen’s University Belfast. Political economy of energy and natural resources. Writing a book on The Resilience of Big Oil. Bookworm, amateur sports photographer. MCB rugby fan. ✠ https://sites.google.com/view/bstefan
Tom Nichols @radiofreetom.bsky.social Staff writer at The Atlantic. Cat guy, Jeopardy champ. New Englander and curmudgeon. Speaker info: https://www.leighbureau.com/speakers/tnichols
Wilson Ricks @wilsonar.bsky.social PhD candidate working in Macro-Energy Systems modeling at Princeton University. Energy tech/policy evaluation, with a primary focus on next-gen geothermal.
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)!
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!
Meg Mills-Novoa @mills-novoa.bsky.social Geographer. Climate justice. Director of the Climate Futures Lab. Berkeley Prof. Extreme fruit enthusiast. 
A. Khan 🍁 @rilkean.bsky.social Albertan now. Canadian first.
Matt Henry @menrywy.bsky.social Working on a just energy transition
Formerly: NREL, University of Wyoming
Currently: Facilitator and policy strategist
Enviro Humanities PhD
Book on water justice
Based in the rural West
Erik Nordman @eriknordman.bsky.social Director, Institute of Public Utilities @ Michigan State University & Associate Professor of Agricultural, Food, & Resource Economics • Author: The Uncommon Knowledge of Elinor Ostrom • Fulbrighter (Kenya) • #EnergySky • Views my own
Iain Soutar @isoutar.bsky.social Senior Lecturer in Energy Policy at the University of Exeter, UK. Researching change, inertia and public engagement in energy transitions.
https://experts.exeter.ac.uk/19656-iain-soutar
Mark Lubell @envpolicycenter.bsky.social Professor Mark Lubell co-directs the UC Davis Center for Environmental Policy and Behavior. Water, agriculture, climate, conservation, social science. Thinkology. Advocate for truth and evidence. https://environmentalpolicy.ucdavis.edu/
Prof Elizabeth J Z Robinson @profejzrobinson.bsky.social Professor, Department of Geography and Environment, London School of Economics | Director, Grantham Research Institute on Climate Change & the Environment (currently on sabbatical) |
Repost ≠ endorsement
Born @ 321 ppm CO2
Raquel Guimaraes 🇧🇷 🇦🇹 @raquelrguima.bsky.social Demographer 📊 & Development Economist 🌍
Research Scholar @ International Institute for Applied Systems Analysis (IIASA)
Exploring:
👥 Population Dynamics
🌱 Environmental Change
🌊 Risk & Resilience
📈 Econometrics
UFMG & Stanford Alumna 🎓
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
Daniel Aldana Cohen @aldasky.bsky.social Political economy of climate emergency. Assistant Professor of Sociology, UC Berkeley; Director, Socio-Spatial Climate Collaborative, or (SC)2; Founding Co-Director, Climate and Community Institute @cplusc.bsky.social. A Planet to Win (Verso). he/him
Sara Meerow @sarameerow.bsky.social Associate Professor, University of Colorado Boulder
Working on urban resilience, climate change adaptation (especially heat and flooding), and green infrastructure
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. 🇵🇹🇧🇷🇨🇦- M Milan Elkerbout @milanelkerbout.bsky.social Director international climate policy @Resources For The Future, Washington, DC. Associate fellow & previously, head of climate policy CEPS, Brussels & Mistra Fellow, IVL Stockholm
Nat Keohane @natkeohane.bsky.social President of C2ES; climate hawk; ex-WH adviser to President Obama. Environmental advocate, economist, hiker, rower, father. Just settling in to Bluesky; generally inept at social media.
Chris Littlecott @chrislittlecott.bsky.social Director, Global Electricity Initiative, Climate Imperative.
Accelerating the global transition from coal to clean power generation.
Pompey, Milton Keynes, Mexico, Lake District, Brubeck/Desmond, Bowie, Bike trips.
Tim Gill @timgill924.bsky.social Sociologist / New Book - Unraveling the American Mafia: Angelo Lonardo, Carmen Zagaria, and the Beginning of the End in Cleveland (Bloomsbury, 2027)
Naomi Klein @naomiaklein.bsky.social "End Times Fascism" book coming September 2026.
Doppelganger. This Changes Everything. The Shock Doctrine. No Logo. On Fire.
UBC Professor of Climate Justice.
🔗 https://linktr.ee/naomiklein
Brad Reed @brad-reed.bsky.social News 📰 Politics 🗳️ Climate 🌎 Energy ⚡ Justice ✊
33% of people think I'm fun at parties.
he/him #Oregon
Noel Healy @drnoelhealy.bsky.social Professor | Climate and Energy Policy | Director of Climate Justice and Just Transformations Lab at SSU | bit.ly/NoelHealySSU
Jonathan Buonocore @jjbuonocore.bsky.social Assistant Professor at Boston University School of Public Health. Climate, Energy, and Health. Born at 344 ppm CO2
Lyssa Freese @lfreese.bsky.social Climate, air quality, energy, equitable solutions
Otherwise in the mountains, throwing pots, or making dad jokes
Opinions my own, not my employer's.
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
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
Dr. Carlie Trott @carlietrott.bsky.social Social/Community Psychologist
Climate Justice | Community Action
Research: https://t.ly/ZK-v3
(views my own)
Kathleen Kennedy @kmkennedy6.bsky.social Assistant Research Professor at UMD's Center for Global Sustainability. Researching state-level decarbonization pathways in Maryland and beyond. Views my own. She/her.
Andy Revkin 🌎 ✍🏼 🪕 ☮️ revkin.substack.com @revkin.bsky.social 40 years of prize-winning sustainability journalism, mostly @nytimes, #sustainwhat webcaster https://revkin.substack.com, #Anthropocene Working Group member, solution seeker, songwriter https://j.mp/revkinlinks
Willa Rubin @willagreer.bsky.social Producing NPR’s @planetmoney.bsky.social. Loving all cats.
@npeluso.bsky.social @npeluso.bsky.social 
Jesse Buchsbaum @jessebu.bsky.social Energy & Environmental Economist | Fellow at Resources for the Future
Dr. Sarah Fortner @erthsarah.bsky.social Climate mitigation, adaptation, and environmental justice through education, research, action and advocacy. Explorer.
Dan Savage @dansavage.bsky.social Host of the Savage Lovecast, author of Savage Love. "A deviant of the highest order!" — The Daily Caller
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.
Kristi E. Swartz @bizwriterkristi.bsky.social Award-winning journalist writing abt U.S. energy transformation. Climate reporter @ajc
Past: @eenewsupdates @ajc @pbpost
https://www.linkedin.com/in/kristi-swartz-1799823
Marathoner; ATLien; Marylander🦀; Terp 🐢
Live 🎶 fan; 🏖️bum; 🐈⬛🐈⬛person
RIP Dad 🚴🏽♂️ Mom 🌞
Rohan Patel @rohanspatel.bsky.social Fmr VP of Tesla Policy and Bizdev. Fmr climate/energy advisor to @potus44. Elkhart, IN born and raised.
@anniemcdarris.bsky.social @anniemcdarris.bsky.social 
Nate Jensen @natemjensen.bsky.social Professor of Government at UT Austin. Here until Jeff Bezos buys this platform.
If you follow me, I will hate on you.
natemjensen.com