Dr. Sandra Steingraber 🏳️🌈 @ssteingraber1.bsky.social PhD biologist, author, climate activist, adoptee rights activist. Senior Scientist and Writer in Residence, Science and Environmental Health Network, Rachel Carson scholar with Library of America. Reminder: Nobody’s coming.
Rory Johnston @roryjohnston.bsky.social oil market researcher
founder of https://CommodityContext.com
former bank economist
markets, code, barbecue
Joaquin Castro @joaquincastrotx.bsky.social Texas Congressman. Democrat. Born, raised and represent San Antonio.
Intelligence Committee (HPSCI) + Foreign Affairs Committee (HFAC).
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
Dr. Heidi Hutner @heidihutner.bsky.social Filmmaker, Professor, Writer, Ecofeminist
Director/Producer:
Radioactive: The Women of Three Mile Island -on Amazon Prime, AppleTV
Working on a new film……ATOMIC FIRE
RADIOACTIVEthefilm.com
Drew Hudson @wealsoherdcats.com Herder of cats and wrangler of monkeys. Tweets here are my own thoughts and RTs do not imply endorsements or the promise of free drinks.
Ken Schles @kenschles.bsky.social New York Times notable
Photographer represented by the Howard Greenberg Gallery and Getty Images
Museum of the City of NY: New York Now: After Dark opens 11.20.26
TIME Magazine photobooks of the year
Instagram @kenschles
http://www.kenschles.com
Michael Macher @michael-macher.bsky.social Sub specie aeternitatis
NoNBKPipeline @nonbkpipeline.bsky.social We won’t pay to be poisoned. Shut down National Grid’s 120-acre fracked gas depot in North Brooklyn. The No North Brooklyn Pipeline Alliance opposes fossil fuel expansion & advocates for affordable, sustainable energy for everyone. Linktr.ee/nonbkpipeline
Anshul Gupta @gptnshl.bsky.social Policy & Research Director @nyforcleanpower.org
Also IBM Research & @theclimatereality.bsky.social
PhD @ UMNCSE
🔌💡 #EnergySky #ElectrifyEverything #BuildingDecarb #ClimateJustice
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
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
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
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
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
Heatmap News @heatmap.news A new media company focused on the biggest story of our time: climate change. Subscribe to our newsletter at https://heatmap.news.
Rebecca Leber @rebleber.bsky.social investigating the fossil fuel industry. editing @pointsourcenews.org. board member of Society of Environmental Journalists.
rleber@pointsourcenews.org
subscribe --> https://pointsourcenews.org/introducing-point-source/
Lissa Harris 🌈🗑️🔥⚔️🐀 @lissaharris.bsky.social COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
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
Emily Pontecorvo @emilypont.bsky.social Staff writer @heatmap.news | signal: emilypont.89
Emily Grubert @gruberte.bsky.social civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
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
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.
Severin Borenstein @severinborenstein.bsky.social Economics, Business, and Energy Prof at UC Berkeley. Member, Board of Governors, CA ISO. All opinions only my own.
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.
Nat Bullard @nathanielbullard.com Energy systems and information platforms.
I do that presentation.
https://www.nathanielbullard.com/
📍Singapore
Tyler Norris @tnorris.bsky.social "An expert in power systems" -NYTimes | J.B. Duke Fellow @DukeU | Substack: http://powerpolicy.net
Prof. Bob Howarth @profbobhowarth.bsky.social Professor at Cornell University, Earth system scientist, co-EiC Land-Ocean-Atmosphere Research
Amy Turner @amyturner.bsky.social Climate, cities, equity & law. Sabin Center for Climate Change Law, Sustainable Cities Fund and some other places.✨ MKE & NYC. 📚: “Urban Climate Law”
Rewiring America @rewiringamerica.bsky.social Rewiring a new energy story for American households ⚡ rewiringamerica.org
New York Communities for Change @nychange.bsky.social One of the largest and most uncompromising community organizations in the country. Jobs. Housing. Public Safety. Climate Action. Immigrant Power. Join us.
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
Yale Environment 360 @yalee360.bsky.social An online magazine offering reporting, opinion, and analysis on global environmental issues. Published at the Yale School of the Environment. Our newsletter: e360.yale.edu/newsletter
Bob Mayo @bobmayo.com Building Electrification Advocate. Climate-tech curious. Engineering and research at the intersection of hardware and software. Enjoyer of well-designed interfaces between subsystems.
Erik Shilts @eshilts.bsky.social Energy abundance | #electrifyeverything | ⚡️ Rewiring America ⚡️ | Views my own
Skypacks - Collecting Starter Packs + Feeds @skypacks.bsky.social Sharing Starter Packs (and Feeds) that look interesting.
Please tag me in Starter Pack/Feed posts to help me find more. 🦋
Energy Alabama @energyalabama.bsky.social Advocating for clean and affordable energy in Alabama.
Xiao Wang @xiaowang1984.bsky.social Principal Engineer Semiconductor Industry and now a DER/Grid Edge worker as well! Opinions own
Marcy Cleveland @marcy-cleveland.bsky.social Building Scientist︱Realtor - GREEN︱Sustainable Housing Advocate︱Climate Resilient Communities︱Cleantech Product Advisor
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
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/
amar shah @amarshah.bsky.social WHAT
Pete Marsh ☀️⚡🔋 @petemarshre.bsky.social Climate hawk, Poppa, Dad, Husband. b317ppm.
#ElectrifyEverything, #CarbonCashBack.
Erin 🌱 @wearegonnafindout.bsky.social Native plants (7b/65n Chesapeake rolling coastal plain)
Decarbonization, cats, oddments
Working on reducing pollution from buildings at a big nonprofit; speaking for myself here
She/they
Liz Moran @lizmoran.bsky.social New York Policy Advocate with Earthjustice.
Gets rowdy about environmental and social justice issues. Personal account.
Jason Brown @brownmjason.bsky.social Communications Manager at @buildingdecarb.org. Opinions expressed do not necessarily represent those of my employer. He/Him. Interested in #BuldingDecarb, #Heatpump #ThermalEnergyNetworks. The Dude Abides.
Shay O’Reilly @shaygabriel.bsky.social “The needy shall not always be forgotten, nor the hope of the poor perish forever.” NYC ➡️ Berlin. Climate organizer/campaigner/dad but this is a personal account. 🏳️⚧️🏳️🌈✝️
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 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!
Justin Gundlach @justingundlach.bsky.social General Counsel & Director of Research at The Future of Heat Initiative. Previously a senior advisor at New York's Department of Public Service. NYC denizen.
That electrified lamp in the picture used to burn gas.
John Smillie @johnsmillie42.bsky.social Husband, father, dog owner, hiker, climate action advocate, amateur energy nerd, heat pump evangelist, audiobook enthusiast. Chalant, yet gruntled.
Logan Mitchell PhD @loganemitchell.bsky.social Climate scientist & energy analyst @UtahCleanEnergy. #ElectrifyEverything #EnergySky #GreenSky 🔌💡. Posts my own.
Jay @jaysawant.bsky.social Power Systems Researcher @NREL working on grid integration and control | Hiking, biking, skiing and cooking | All views are my own | he/him
🏡 Denver, Colorado
Alliance for Sustainable Building Products @asbpuk.bsky.social A non-profit, mission driven organisation, with an ever-growing membership alliance of forward-thinking people and organisations. asbp.org.uk
"Championing the use of innovative and sustainable building products to create healthy and low-carbon buildings."
New York Focus @nysfocus.com New York Focus is a nonprofit newsroom investigating power in the Empire State.
Subscribe to our newsletter: http://nysfocus.com/newsletter
Ashanti Washington ⚡️ @byashanti.bsky.social Communicator • Strategist • Consultant
Energy, power, people & policy
Tennessean. Grid geek. Fourth estate fan!
Priors: FERC, CELI, UCS, ORNL
Mike Walsh @michaeljaywalsh.bsky.social 
Bob Wyman @bobwyman.bsky.social 
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
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
Shreyas Sudhakar @shreyassudhakar.com Writing about heat pumps at heatpumped.org
Installing heat pumps at vayu.pro
Former YC founder and rocket propulsion engineer
heatpumped.org/subscribe
Heat Pumped @heatpumped.org Demystifying heat pumps with deep dives in your inbox every other week - sign up at heatpumped.org/subscribe
Elisabeth Staudt @eeestaudt.bsky.social 
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
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
Sem Oxenaar @soxenaar.bsky.social Excited about heat and building decarbonisation, working @regassistproj - heating & cooling / industrial electrification / district heating / heat planning
Brendan Haley @brhaley.bsky.social Policy director for an energy-efficient economy with Efficiency Canada. Adjunct professor at Carleton Public Policy - climate, industrial policy & 🇨🇦 political economy. Ex-pat Nova Scotian in Ottawa.
Louise Sunderland @louisesunderland.bsky.social Energy policy, energy justice. People are the centre of the clean energy transition.
Managing Principal, Regulatory Assistance Project. Member, South East London Community Energy.
Views my own.
@sunderlandlouis
/in/louise-sunderland-5474b848
Richard Lowes @richardlowes.bsky.social Energy policy obsessive on clean/decarb, mostly clean heating and gas. Surfer, dog lover, live in Cornwall. Work for Exeter Uni and the Regulatory Assistance Project. Fellow of the Energy Institute. Co-chair of Clean Heat Forum.
Stefan Holzheu @holzheustefan.bsky.social Wissenschaftler aus tiefster Überzeugung. Erkläre gerne, besonders denen, die wie ich dazulernen wollen.
#S4FBayreuth
Andrew Sissons @acjsissons.bsky.social Day job: climate change, heat pumps, energy at Nesta
Other stuff: low-fi economics on growth, cities & economic geography, general UK policy, occasional basic charts
Bristol, he/him, lots of parenting / caring.
Personal account.
Tara Connolly @taraconnolly.bsky.social All things energy transition, climate justice and safe streets in the EU.
Formerly at Greenpeace, Friends of The Earth and Global Witness. Now working at @beyondfossilfuels.
Irish immigrant in Brussels.
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
Duncan Gibb @duncangibb.net clean heat, renewables, music, tennis
Senior Associate at @regassistproj.bsky.social
🇨🇦 raised 🇩🇪 then 🇨🇵 now
Jack Policar @jackpolicar.bsky.social Head of Innovation at Climate Collective and co-founder at TradesFirst- Electrification-focused contractor co-op
Juan-Pablo Velez @jpv.switch.box Executive director of think tank @switch.box. Climate policy and data science. Mostly here to ask questions!
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
Bart S. @docbart.bsky.social Cardiologist, climate activist, rational thinker.
Zoltan Nagy @zoltannagy.bsky.social Engineering prof at TU/e | demand side energy management | connected communities | CityLearn
Dominic Lavelle @dominiclavelle.bsky.social Interested in solutions to climate change. Personal account, all opinions mine. #ActOnClimate
Lisa Marshall @lisamars.bsky.social Climate, crafting, community. Also, soup.
Court (she/her) @court-fost.bsky.social Climate advocate, progressive politics, pop culture, dog/cat content mixed in 🌳🌊MA -> ME -> DC -> MA. Views = my own always!
Zeyneb Magavi @zeynebmagavi.bsky.social 
Net Zero Foundation/Rick Clemenzi @netzerofound.bsky.social Pursuing Rapid Cost-Effective Climate Action in Building Decarbonization and in Dissemination of Climate Facts. All buildings can be Decarbonized now with the only barriers being Non-Technical! We also post at https://open.mit.edu/c/maca.
San Diego Building Electrification Coalition @sdbecoalition.bsky.social Accelerating Equitable Building Electrification in San Diego
https://www.sdbec.org
Building Decarbonization Coalition @buildingdecarb.org Harnessing the power of coalition for an all-electric future. buildingdecarb.org
#BuildingDecarb #HeatPump #ThermalEnergyNetwork #HeatPumpNation #EnergySky
NYC Department of Buildings @nycbuildings.bsky.social Promoting the safe & lawful use of buildings & construction sites in NYC. This account is not monitored 24/7. For emergencies call 911. For complaints call 311.
Visit us www.nyc.gov/site/buildings/index.page
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.
Cool Heating Coalition @coolheatingcoalition.eu Working together towards decarbonised, renewable and affordable heating and cooling for all in the EU.
Matt Vespa @missionvespa.bsky.social Clean energy attorney at https://earthjustice.org/ working to dismantle fossil fuel industry with focus on building electrification and utility accountability in CA. Adjunct Professor of Renewable Energy Law & Policy at Berkeley Law. 🏳️🌈 ⚡️🏠
Helge Jörgens @helgej.bsky.social Researcher at CIES/Iscte-IUL, Lisbon, PT. Public Policy, Environment & Climate, Policy Diffusion, International Bureaucracies | https://ciencia.iscte-iul.pt/authors/helge-jorgens/cv. Occasional mixtapes www.mixcloud.com/microfoundations
IMS Heat Pumps @imsheat.bsky.social IMS Heat Pumps: We are a proud family & friends business with roots in Perth, Scotland & Sheffield, England.
Since '97 we've been delivering top-notch design, installation, service & maintenance of Ground & Air Source Heat Pumps.
Jeff Colley @jeffcolley.bsky.social Green building 🤓
PassiveHouse+ mag
Zero Ambitions podcast + consultancy
Heat Pump Assoc 🇮🇪 🪑
TEDx talker
World GBC #BuildingLife ambassador
Mag: https://passivehouseplus.ie
Pod: https://tinyurl.com/Zappod
TEDx: http://tiny.cc/TEDJeff
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
Madeleine Gabriel @madgabes.bsky.social Director of the Sustainable Future mission at Nesta - working on decarbonising UK homes, and interested in all things energy and climate related. Views my own
Dr Matthew Aylott @renewablewriter.bsky.social Electrification of Heat Policy Lead in the Dept for Energy Security and Net Zero. Policy Fellow at University of Cambridge Centre for Science and Policy. Former Bioenergy Researcher. Spreading news & views on energy in a personal capacity.
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.
John Cantor @johncantor.bsky.social https://heatpumps.co.uk/