Court (she/her) @court-fost.bsky.social Climate advocate, progressive politics, pop culture, dog/cat content mixed in ๐ณ๐MA -> ME -> DC -> MA. Views = my own always!
Another Green @anothergreen.bsky.social #ClimateChange #Renewables #Ecosocialism #Think32 #ElinorOstrom #Commons #CorneliusCardew #GaeilgeGachLรก #Marx
Nestor Perez @nestorvperez.bsky.social Clean Energy Attorney at Lawyers for Good Government. Former environmental litigator at Earthjustice, JD University of Miami, MA Universidad de Los Andes, BA Florida International University. Views my own. ๐โก๏ธโ๏ธ
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.
Meg Howard @cleanenergymeg.bsky.social Interested in all things building decarbonization. Tweets are my own.
UK Green Building Council @ukgbc.bsky.social The official account of the UK Green Building Council |
The voice of our sustainable built environment.
https://ukgbc.org/
Senator Martin Heinrich @heinrich.senate.gov U.S. Senator for NM. Husband, dad, hunter. Former Engineer/Current energy nerd. Respects hard work, NM values, & anyone w/a freezer full of wild game.
Office of Mayor Michelle Wu ๅณๅผญ @mayorwu.boston.gov BPS mom, daughter of immigrants, and MBTA commuter working to make Boston a home for everyone.
linktr.ee/mayorwu
Follow the @boston.gov Bluesky Starterpack: https://bsky.app/starter-pack/boston.gov/3lcvbzv3ttb25
Senator Ed Markey @markey.senate.gov Senator for Massachusetts. Ranker on Senate Small Business Committee & HELP Primary Health & Retirement Security Subcommittee. Fighting for a Green New Deal.
Elizabeth Warren @warren.senate.gov U.S. Senator, Massachusetts. She/her/hers. Official Senate account.
https://substack.com/@senatorwarren
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!
Juan-Pablo Velez @jpv.switch.box Executive director of think tank @switch.box. Climate policy and data science. Mostly here to ask questions!
Katherine Hamilton @cleangridview.bsky.social Retired clean energy policy expert. Mostly on the top of a mountain.
John Semmelhack @johnsemmelhack.bsky.social HVAC + Home performance contracting www.comfortsquad.us
CEO (Chief Electrification Officer)
Minister of Heat Pumps (Southeast)
Love this๐but I'd rather be on my bike
Sara Hastings-Simon ๐จ๐ฆ @shastingssimon.bsky.social Currently on partial medical leave and Associate professor, Dept of Earth, Energy, and Environment, University of Calgary; co-director Electricity Centre; energy/mid-transition/carbon/innovation policy + bikes.
James Temple @jtemple.bsky.social Climate and energy editor, Reno bureau chief, MIT Technology Review. Ski bum. Dog dad.
Please send tips (not PR pitches) through Signal: jtemple.99
Adam Chapman @chiefgeekad.bsky.social Chief Geek at Heat Geek, pedant and obsessive. 
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 โก๏ธ ๐ ๐ก www.natethehousewhisperer.com & electrifyeverything.net
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.
Hannah Daly @hannahdaly.ie Professor in Sustainable Energy, UCC ๐ฎ๐ช
I write a monthly column for the Irish Times: https://www.irishtimes.com/tags/hannah-daly/
Born 351ppm, daughters born 408 & 410, now >420ppm ๐จ โผ๏ธ
Former @IEA and @UCL
EL COPO @el-copo.bsky.social Low carbon heating engineer.
Heatgeek.
Sustainability Installer of the Year 2024.
Yorkshire/Humber Installer of the Year 22/23/24.
Chris Baraniuk @chrisbaraniuk.com Freelance science & technology journalist. 12+ years experience. Irish/Polish. Writes for the BBC, Wired, The Guardian and others!
Portfolio: chrisbaraniuk.com
Newsletter: thereengineer.pro
Coaching: chrisbaraniuk.com/coaching
HQ: Belfast, N. Ireland
Adrian Hiel @adrianhiel.bsky.social Director of the Electrification Alliance. Representing the major actors in delivering European energy to European homes and industry. ๐จ๐ฆ ๐ฎ๐ช
https://electrification-alliance.eu/
Chris Carus @chris-carus.bsky.social Domestic energy efficiency and heat pumps in Glasgow. Exec officer at Loco Home Retrofit CIC, Glasgow's community-led retrofit one stop shop - a hub for households and tradespeople. https://locohome.coop/
https://bsky.app/profile/locohome.bsky.social
Nigel Banks @nigelbanksoeg.bsky.social ๐Technical Director, Zero Bills & Low Carbon Homes, Octopus Energy
Heat Pumped @heatpumped.org Demystifying heat pumps with deep dives in your inbox every other week - sign up at heatpumped.org/subscribe
Heat Pump Review @heatpump.review Skeets that save the planet, one heat pump at a time. Read our free newsletter at heatpump.review
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
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.
Jeff Colley @jeffcolley.bsky.social Green building ๐ค
PassiveHouse+ mag
Zero Ambitions podcast + consultancy
Heat Pump Assoc ๐ฎ๐ช ๐ช
TEDx talker
World GBC #BuildingLife ambassador
Mag: https://passivehouseplus.ie
Pod: https://tinyurl.com/Zappod
TEDx: http://tiny.cc/TEDJeff
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
Mykomment @mykomment.bsky.social UK Wirral
Social Justice;
STOP wars and state sponsored oppression then let the people live in peace.
Home heating, Energy conservation
Heritage and Conservation
Anonymous because........
RT/โฅ๏ธ not equal to endorsements, you make your own judgements.
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
Robin Just @robinjust.bsky.social Editor and podcast producer at Harvard's Environmental and Energy Law Program
@harvardeelp.bsky.social
https://eelp.law.harvard.edu/
CharleyinMA @charleyinma.bsky.social Lover of clean air & water. Working for an equitable energy transition. Grow food. Limit snark.
Canadian Dad @climate-dad.bsky.social Proud progressive Canadian, math-nerd dad, always reading, advocate for my kids & their planet, ISFJ, usually posting about climate change, Covid, geopolitics, sports, space, science, or Alberta/Canada.- D dharna noor @dharna.bsky.social fossil fuels reporter at the guardian
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
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/
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
Oliver ๐ณ๏ธโ๐ @ojc.bsky.social ๐บ๐ธ๐ฌ๐ง๐ณ๏ธโ๐ | Tend to talk about climate, bikes, transit, infrastructure, politics | Opinions my own.
๐MA
Bill Walczak @bill-walczak.bsky.social Columnist at Dorchester Reporter. Retired health care exec with passion for education & Dorchester. Board Chair Bunker Hill Community College and Mass Business Alliance for Education. President Columbia-Savin Hill Civic Association. On other boards too.
Steve Pantano @spantano.bsky.social get a heat pump
Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com
Emily Norton @emnorton.bsky.social Charles River Watershed Association Executive Director. Former Newton MA City Councilor. Mom of 3 boys & 2 cats. Opinions expressed on this platform are mine mine mine. #WaterIsLife
Andy Revkin ๐ โ๐ผ ๐ช โฎ๏ธ 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
Tucker Lieberman @tuckerlieberman.com ๐ ATTIS & ALEPH coming Dec 2026...
๐ https://www.backerkit.com/c/projects/tucker-lieberman/attis-aleph
Nerve. Verse. Snacks.
๐ tuckerlieberman.com
๐ he/him
Ari Peskoe @aripeskoe.bsky.social Director of the Electricity Law Initiative at Harvard Law. 
Noel Healy @drnoelhealy.bsky.social Professor | Climate and Energy Policy | Director of Climate Justice and Just Transformations Lab at SSU | bit.ly/NoelHealySSU
Steve Owens @votesteveowens.bsky.social MA State Representative 29th Middlesex District (Cambridge & Watertown); Former chair of Watertown Democratic Town Committee; current DSC member โ He/Him- D Donna Brutkoski @dbrutkoski.bsky.social
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.
Regulatory Assistance Project @regassistproj.bsky.social Regulatory Assistance Project (RAP)ยฎ is an independent, global non-governmental organization with a mission of advancing policy innovation and thought leadership within the energy community.
Bram Claeys @bramclaeys.bsky.social Renewables, efficiency & politics. Belgian dad riding a bike in the apocalypse. Secretary General at @ceereu.bsky.social.- I Ivy Scott @ivyscott.bsky.social Data journalist in training, poetry fanatic, writer of many things!
Currently @ The Marshall Project, ex-Boston Globe, eternally from New York
Sabrina Shankman @shankman.bsky.social Reporting on climate change at The Boston Globe. Chasing my kids around southern Maine. Letโs talk about running, skiing and saving the planet. She/her.
Find me on Signal @ shankman.03
Jon Lamson @jonlamson.bsky.social Reporter covering the New England power industry for RTO Insider/NetZero Insider. I wish was a headlight on a northbound train.
Howard Lee @hlee.bsky.social Geologist and Science Writer: If you want to see what climate change can do to the planet just look at Earth's past!
https://h-lee.com/
Brendan Haley @brhaley.bsky.social Policy director for an energy-efficient economy with Efficiency Canada. Adjunct professor at Carleton Public Policy - climate, industrial policy & ๐จ๐ฆ political economy. Ex-pat Nova Scotian in Ottawa.
Simon Mahan @simonmahan.bsky.social I'm here for the energy memes.
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
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
Rewiring America @rewiringamerica.bsky.social Rewiring a new energy story for American households โก rewiringamerica.org
Building Decarbonization Coalition @buildingdecarb.org Harnessing the power of coalition for an all-electric future. buildingdecarb.org
#BuildingDecarb #HeatPump #ThermalEnergyNetwork #HeatPumpNation #EnergySky
Amy Boyd Rabin @sustainabr.bsky.social Fighting fossil fuels + the climate crisis. Making a better world for our kids. Texas-born, but Boston is home. Say ๐ to your dog for me.
Penguin Books @penguinbooksusa.bsky.social We publish fiction and nonfiction adorned with the famous dignified but flippant logo.
Jonathan Buonocore @jjbuonocore.bsky.social Assistant Professor at Boston University School of Public Health. Climate, Energy, and Health. Born at 344 ppm CO2
David Ho @davidho.bsky.social Climate scientist; ocean carbon cycle and climate solutions. Professor @soest.hawaii.edu, University of Hawaiสปi at Mฤnoa; Visiting Faculty, Arizona State University. https://linktr.ee/david_ho
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.
Destenie Nock, PhD @destenie.bsky.social Professor at Carnegie Mellon University. Energy Affordability. Energy & Climate Justice. Macro Energy Systems Modeling. CEO - Peoples Energy Analytics. Named a 2024 Science Defender. Nonfiction rep: @laurieabkemeier. Fiction rep: @ajvanbelle
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
Duncan Gibb @duncangibb.net clean heat, renewables, music, tennis
Senior Associate at @regassistproj.bsky.social
๐จ๐ฆ raised ๐ฉ๐ช then ๐จ๐ต now
Rebecca Leber @rebleber.bsky.social investigating the fossil fuel industry. board member of Society of Environmental Journalists.
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Amy Turner @amyturner.bsky.social Climate, cities, equity & law. Sabin Center for Climate Change Law, Sustainable Cities Fund and some other places.โจ MKE & NYC. ๐: โUrban Climate Lawโ
Gretchen Goldman, PhD @gretchentg.bsky.social President @ucs.org. Previously: USDOT, White House OSTP, @500womensci.bsky.social. Environmental engineer. Mom. Cyclist. Public Transit Enthusiast. Views my own. She/her.
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.
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/
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
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)
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/
Aimee Witteman @aimeewitteman.bsky.social Pro-housing decarb strategist. Midwest kid living in D.C.โก๏ธ
Also posts on democracy, bikes, trail running, and Lake Superior shipwrecks. Personal Account.
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
๐จ๐ฆ 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
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
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 )
Senator Ron Wyden @wyden.senate.gov U.S. Senator for Oregon. Rotisserie chicken enthusiast. Senateโs resident privacy hawk.
senatefinance.bsky.social
wydenpress.bsky.social
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Robbie Orvis @robbieorvis.bsky.social Senior Director, Modeling and Analysis
@energyinnovation.bsky.social. Working to help deploy clean energy technologies, drive down costs , and cut greenhouse gas emissions through smart and innovative policy. Posts are my own.
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
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
Maurice Mitchell ๐บ @mauricewfp.bsky.social National Director: @workingfamilies.org | Co-Founder: Blackbird | Board: Brooklyn Movement Center, Center for Popular Democracy Action, United for Respect | Always: Movement for Black Lives | Text MOE to 30403. he/him
sonia aggarwal @soniaaggarwal.bsky.social @energyinnovation.bsky.social
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 ๐จ๐ฆ Gardener ๐ฑ leahstokes.com; Newsletter: electricnotes.news
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
Bluesky @bsky.app official Bluesky account (check username๐)
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