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.
Josh T. Smith @smithtjosh.bsky.social Prosperity is energy intensive.
Energy Policy Lead at the Abundance Institute.
William Driscoll @willdriscoll.bsky.social Author of "Your Arteries-An Owner's Manual." Reporter for PV Magazine USA on developments that speed or slow deployment of solar and storage.
Ben Serrurier @serrurier.bsky.social I like hot rocks and a cool climate. I run policy for Fervo Energy. These posts don't even represent me.
Duncan S. Campbell @duncamp.bsky.social powering growth @scalemicrogrids and DER-pilling the youths @DER_Task_Force
Tottenham Hotspur @tottenhamhotspur.com COYS 🤍
Bill McKibben @billmckibben.bsky.social Founder 350.org and Third Act, author The Crucial Years on substack https://billmckibben.substack.com/
Author of 21 books, beginning with The End of Nature
Naomi Klein @naomiaklein.bsky.social "End Times Fascism" book available now.
Doppelganger. This Changes Everything. The Shock Doctrine. No Logo. On Fire.
UBC Professor of Climate Justice.
🔗 https://linktr.ee/naomiklein
Nate the House Whisperer @energysmartwv.bsky.social Everyone deserves a truly healthy and comfortable home. I teach how to do it. It almost always involves a heat pump aka two way air conditioner. One way ACs are dumb. #energysky #heatpumps ⚡️ 🔌 💡 www.natethehousewhisperer.com & electrifyeverything.net
Jaap Burger @jaapburger.eu EV Smart Charging | V2G | EV grid integration | Energy 🤝 Mobility | Demand-side Flex | Consumer Flexibility
EN | NL | DE
mastodon.social/@burger_jaap
linkedin.com/in/jaapburger
Trystan Lea @trystanlea.bsky.social Monitoring heat pumps at HeatpumpMonitor.org, open source energy monitoring at OpenEnergyMonitor.org.
Nathan Gambling @betatalk.bsky.social "Nathan is one of the UK's clean heat leaders" Chris Stark
I help people understand heat & heating industry. My family have been installing heat pump technology for nearly half a century. I run the Guild of Master Heat Engineers
BetaTeach.co.uk
John Cantor @johncantor.bsky.social https://heatpumps.co.uk/
Paul Kenny @paulkenny.bsky.social Director general of the European heat pump association. Mech.Engineer. Expert on sustainable energy practice and policy. Unashamedly Green for climate, society, security and competitiveness.
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
Stephen Lacey @stephenlacey.bsky.social Executive editor of Latitude Media. Co-host of "Open Circuit," a show decoding the energy transition.
Hudl Statsbomb @statsbomb.com Pushing the boundaries of what’s possible in football analytics.
https://statsbomb.com/
Justin Gillis @justingillis.bsky.social Former lead writer on climate science for The New York Times. Now tracking the energy transition for an investment firm in London. 
Max Luke @gridguy.bsky.social All things transmission policy, energy transition, and grid resilience. Director Transmission & Wholesale Market Policy National Grid. Formerly VEIR (superconducting power lines), NERA, MIT Energy Initiative, Breakthrough Institute.
Dustin Jalbert @2x4caster.bsky.social Wood products/ housing/ Mainer in the Boston suburbs
Jason Grillo @jasongrillo.bsky.social Removing excess greenhouse gases from the atmosphere. Husband. Dad. Citizen. Fan of endurance sports, boardgames, scifi. Dry humor. Opinions are mine, not employer's.
Joshua Posamentier @posamentier.bsky.social GP @CongruentVC investing in awesome companies that solve global climate problems plus a dad and husband and more: 🚴🍩🥖⛷🏄♂️☢️🎶🥁📷🍿
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
Chris Taggart 🏡 ⚡️ 🔌 @christaggart.com Heatpump Papa. Software Engineer. Climate. Cargo Bike Dad.
Building software + communities to accelerate residential electrification.
@electrify613.bsky.social + @ferncomfort.bsky.social
https://electrify613.ca, YOW
Xiao Wang @xiaowang1984.bsky.social Principal Engineer Semiconductor Industry and now a DER/Grid Edge worker as well! Opinions 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
Allison Clements @allisonclements.bsky.social 
Jeff St John @jeffstjohn.bsky.social Chief reporter at Canary Media, energy transition believer, holder of faith in truth, justice, and the inherent goodness of my fellow human beings. Parent of Lily the Corgi.
Will Troppe @wtroppe.bsky.social Product @Powerfactors optimizing 300+GW of solar, wind, and storage. MS & BS @Stanford in energy & mgmt engineering.
Clean energy, EVs, politics, policy, data, analytics, product management, design, innovation.
DC -> SF. Fight fascism.
Bill Conlon @wmconlon.com Transforming thermal generation by hybridizing with thermal energy storage to provide flexible, low-carbon support for renewable energy. 
Ryan Mann @ryancmann.bsky.social Analyst/modeler focused on DERs & demand flexibility. Technology + econ + regulatory/policy. @Sunrun @wattTime @Energy_Leaders @DER_Task_Force @theclimatevote
TerraWatts2010 @terrawatts2010.bsky.social Founding partner Stellar Solar. Board member GENI. Passionate about #renewables. Committed to the reality of the "global energy grid" and using HVDC transmission to support clean energy deployment. www.terrawatts.com
CeCe Coffey @cececoffey.bsky.social FERC nerd hooked on energy law. Penn Law & CELI alumna. Proud Princeton 🐅. Spare time split between water polo, skiing, and #energysky
John Farrell @johnffarrell.bsky.social Distributed energy nerd | Anti-monopoly policy guy @ ILSR | Making clean power local + fair | 📍Minnesota dad energy 🔌💡
Daniel Tait @taitdl.bsky.social Utility watchdog. Clean energy advocate. Tips, leads, and leaks welcome. DM for Signal. Based in Huntsville, AL.
sonia aggarwal @soniaaggarwal.bsky.social @energyinnovation.bsky.social
Energy Innovation @energyinnovation.org Energy Innovation is an energy and climate policy firm working to accelerate decarbonization through unbiased, non-partisan research and analysis 🔌💡
https://energyinnovation.org/
Simon Mahan @simonmahan.bsky.social I'm here for the energy memes.
Ari Peskoe @aripeskoe.bsky.social Director of the Electricity Law Initiative at Harvard Law. 
Tyler Norris @tnorris.bsky.social "An expert in power systems" -NYTimes | J.B. Duke Fellow @DukeU | Substack: http://powerpolicy.net
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/
Josh Freed @jsfreed.bsky.social Run Third Way Climate & Energy. Cofounder of Carbon-Free Europe. Long suffering Tottenham Hotspur. Bass and vox for Cash on the Nail. This channel is energy and climate, English football, and punk rock.
Miles Farmer @mfarmer.bsky.social clean energy policy, strategy, and law
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/
Ed Markey @edmarkey.bsky.social U.S. Senator fighting for the families and future of Massachusetts. Malden Native, Red Sox Fan, Net Neutrality Defender, co-author of the Green New Deal ( he/him )
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!
David Weiskopf believes in you @dave.bzky.team If a box on a curb with "Free Meyer Lemons" written on it were a guy
(personal account, obviously)
Chris Nelder @chrisnelder.bsky.social Creator and Host of:
Transition Times and Nelder Notes: @TransitionTimes.bsky.social
Energy Transition Show: @TransitionShow.bsky.social
Energy writer/podcaster/analyst/speaker
Home: www.ChrisNelder.com
David Sacerdote @davidsacerdote.bsky.social Software engineer.
Mostly talk climate and related politics.
Jeva Lange 🫎 @jeva.bsky.social Writes about extreme weather & wildfires, nature & public lands, and adaptation & resilience for Heatmap.news | Hiking, running, mountains, boats, nonfiction books, long movies, sleep deprivation (baby) |📍 Seattle/Queens
David Hsu @dhsu.bsky.social Professor studying cities, infrastructure, climate, energy, long bike rides, the Boston Celtics, & the drop serve. Personal account representing only me. Likes, reposts ≠ endorsements.
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.
Aimee Witteman @aimeewitteman.bsky.social Pro-housing decarb strategist. Midwest kid living in D.C.⚡️
Also posts on democracy, bikes, trail running, and Lake Superior shipwrecks. Personal Account.
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
Ramez Naam @ramez.bsky.social Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future. 
Leah Stokes @leahstokes.bsky.social Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
Robinson Meyer @robinsonmeyer.bsky.social I’m the founding executive editor of Heatmap News, a contributing Opinion writer for The New York Times, and the cohost of the Shift Key podcast.
📍NYC
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
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
Joshua D. Rhodes @joshdr83.bsky.social Energy | Research Scientist @utaustin.bsky.social & @columbiauniversity.bsky.social | CTO @ideasmithsLLC | Electric Commissioner @austintexasgov | husband | dad | views my own
Commercial Solar Guy @commercialsolarguy.com Solar (tech/finance/project) news.
Solar Installations: commercialsolarguy.com
Writer: https://pv-magazine-usa.com/people-companies/john-fitzgerald-weaver/
Professional: linkedin.com/in/johnfitzgeraldweaver
Born 336.74
Cambridge, MA, USA, Earth, Today
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.
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.
Noah Kaufman @noahqkaufman.bsky.social Climate economist. Opinions are my own.
Sabrina Shankman @shankman.bsky.social Reporting on climate change at The Boston Globe. Chasing my kids around southern Maine. Let’s talk about running, skiing and saving the planet. She/her.
Find me on Signal @ shankman.03
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
Matt Levine @matt-levine.bsky.social the money stuff guy
Jaden Crawford @theoldestjaden.bsky.social Energy, gardener, cook, dad to a teenager
Danielle Fong @daniellefong.bsky.social ultralight power and energy, physics, ai, building in secret in public 
Kevin J. Kircher @kevinjkircher.com Engineering prof (mechanical + electrical) at a big Midwest state school. Energy, climate, buildings, power grid, control, optimization, data science. He/him. Personal account. https://kevinjkircher.com/ Email: my last name at purdue dot edu
Ethan Freedman @ethanpfreedman.com Just be cool, man.
Reporter: science, nature, agriculture, climate. Bylines at Scientific American, PopSci, Sierra, Slate, Fatherly, etc.
He/Him. RTs =/= Endorsement. Opinions solely mine. Old posts delete en masse.
Chicago
www.ethanpfreedman.com
Tim Latimer @timlatimer.bsky.social Geothermal 🌋⚡️
CEO @ Fervo Energy
HTX
Brendan Pierpont @brendan.bsky.social Energy and climate nerd. Electricity @energyinnovation.org. Views are my own.
Cold Eye Earth @coldeye.earth A newsletter from @gregor.us covering the progress of energy transition. (formerly The Gregor Letter)
Cold Eye Earth: https://www.coldeye.earth
Energy Institute at Haas @ucenergyinstitute.bsky.social Helping create a more economically and environmentally sustainable energy future through research, teaching and policy engagement. Visit our website for more information about the Energy Institute: haas.berkeley.edu/energy-institute/
David Pomerantz @davidpomerantz.bsky.social Exposing efforts by utilities and fossil fuel interests to undermine clean energy with the Energy and Policy Institute. Personal account.
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
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
Emily Grubert @gruberte.bsky.social civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
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
Michael Thomas @michael-thomas.bsky.social I write stories and make videos about climate change.
Subscribe to the Distilled newsletter and YouTube channel here: http://linktr.ee/distilled.earth
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/
Severin Borenstein @severinborenstein.bsky.social Economics, Business, and Energy Prof at UC Berkeley. Member, Board of Governors, CA ISO. All opinions only my own.
Dr Christopher T M Clack, PhD @drchrisclack.bsky.social VP at Pattern Energy. Trying to help provide cheap, clean energy 4 all! Father. Personal account. #math #energy #optimization #EnergySky #ClimateSky #WeatherSky
Sean Casten @seancasten.bsky.social U.S. Representative, IL-06. Personal account. Dad. Husband. Trained as an engineer, 16 years as a clean energy CEO, now in middle management. For official stuff see @casten.house.gov
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
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
Gregor Macdonald @gregor.us Journalist covering cities, climate, and energy.
Proprietor of Cold Eye Earth (formerly The Gregor Letter)
https://www.coldeye.earth | @coldeye.earth
Cory McMahon @corymcmahon.bsky.social Here for all things energy transition and climate. Lover of cocktails, bernese mountain dogs, and classical guitar.
EnergySky GreenSky ClimateSky 🔌💡
Tim McDonnell @timmcdonnell.bsky.social Climate and energy editor at Semafor. tmcdonnell@semafor.com. Based in Kyiv.
Sarah Laskow @slaskow.bsky.social senior editor at the Atlantic. I think a lot about climate, disease, animals, plants, risk, kids, New York City, and sometimes other cities too
Nat Bullard @nathanielbullard.com Energy systems and information platforms.
I do that presentation.
https://www.nathanielbullard.com/
📍Singapore