Rob Aitken @robaitken.bsky.social Anthropologist at York Politics. Processes of identity change esp before, during and after conflict. Left politics, climate change, renewable energy, live in self-build Passivhaus Plus. 
Energy Transition Show @transitionshow.mastodon.energy.ap.brid.gy A podcast about the transition from fossil fuels to renewables with host @chrisnelder
tfr
๐ bridged from โ https://mastodon.energy/@TransitionShow, follow @ap.brid.gy to interact
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.
Wolfgang Feist @wolfgangfeist.bsky.social Humanist. Physicist. Educator. Engineer.
Energy efficiency is key to solving the climate crisis โ and the problems associated with it. Energy efficiency is NOT an abstract concept: it is real in the form of passive houses, heat pumps, electric vehicles,...
_________ @mallocate.com 
Michael Hill @mike-hill.bsky.social CEO of landscape charity Friends of the Lake District. Before that, 35 years in media and technology, mostly at the BBC. Now usually up a mountain in #Cumbria UK.
@friendsoflakes.bsky.social
JP Harreman @harreman.bsky.social Director at Montel Analytics, Energy market geek, European short-term power trading analytics platform, speaker, occasionally posts about border collies, Zeeland, music, languages.
https://www.linkedin.com/in/jharreman
jeanpaul.harreman(at)montel.energy
Juliane Borchert @pv-physicist.bsky.social Physicist, Research group leader, light-matter interaction, solar cells, renewable energy, feminism, poetry, gardening, crafts, she/her
James Murray @james-bg.bsky.social Editor-in-chief of BusinessGreen, writing for a couple of decades or so about the environment, the economy, green politics, and the Climate Theory of Everything
Stephen Crown @stephencrown.eurosky.social Technical Architect (IT) - UK based
Mike Pitts @pittso.bsky.social Deputy Director at Innovate UK for Clean Energy. Welsh. Chemist. Hypenotic. ChesterSciBar. Catalyst Science Discovery Centre. Passionate about the power of stories and innovation. Some whimsy. Opinions own.
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
Tom Hawkins @nekomatic.bsky.social Any sufficiently advanced magic is indistinguishable from technology.
Evan Davis @evanhd.bsky.social The bloke who presents the BBC Radio 4 PM programme as well as the Bottom Line. And Dragons Den on BBC1. I try to be reasonable, but it is sometimes a struggle.
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.
Darren McLean @darrenmcleanuk.bsky.social Building conservation university teacher and practitioner.
Historic building materials, construction techniques, and architecture.
Studying Roman construction and writing a book for Routledge on Historic Floors
UK/Italy
Chaos @shed.gay Not very serious here.
Silly project connoisseur She/They ๐ณ๏ธโโง๏ธ trans non binary dyke woman
๐ณ๏ธโ๐๐ณ๏ธโโง๏ธ
@alchemygreen.bsky.social @alchemygreen.bsky.social 
Bryn Davidson - Lanefab @lanefab.com A beautiful home,
in a healthy city,
on a thriving planet
Lanefab Design / Build
Oori Architecture
B.Eng M.Arch
www.Lanefab.com
Vancouver BC
#ThickWallsAreSexy / #SingleStair / #ElectrifyEverything / #Passivhaus
Greengauge @greengaugebec.bsky.social Greengauge Building Energy Consultants is a building & engineering consultancy specialising in sustainable, low energy design. Offices in Wiltshire & Yorkshire. https://ggbec.co.uk/
Kevin Anderson @kevinclimate.bsky.social Professor of Energy & Climate Change at Universities of Manchester & Uppsala.
Translating climate science, through carbon budgets, into policy goals & mitigation options.
Co-founder https://climateuncensored.com
Marcus Horgan @marcushorgan.bsky.social Engineer, Dad, Cyclist, Outdoors Enthusiast, Renewable Energy Advocate, Sustainable Infrastructure Developer
Livvy Swann @livvyswann.bsky.social Using data to put child health at the heart of housing policy
Paediatric Infectious Disease and Data Science
Wellcome Early Career Fellow
https://tinyurl.com/3k8kywff
https://www.research.ed.ac.uk/en/persons/olivia-swann
Bryon Russell @bryontrussell.bsky.social I do it for the pain.
Incongruity is my joie de vivre.
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.
Frank Reif @frankreif.bsky.social Mainly here for climate stuff. Decarbonizing heating and cooling.
Building science / efficiency / retrofit / mechanical engineering etc.
Dr Adam Levy @climateadam.bsky.social Climate scientist, journalist, YouTuber, Adam ๐ณ๏ธโ๐
https://www.youtube.com/ClimateAdam/
https://www.climateadam.com
Zero Ambitions @zeroambitions.bsky.social A consultancy and podcast set up to help the sustainable building sector move out of the basement and into the light.
Agile Homes @agilehomes.bsky.social Weโre fixing the Climate Emergency & Housing Crisis, using bio-based materials to build safe, civil, lowcarbon, affordable homes for people in housing need. Our work is preFABulous!
#MMC #BuildWithCarbon
Craig White @tweeteco.bsky.social Sustainability overarches underpins & threads through my work. CEO https://agile.property @Agile_DesignUK. Cofounder @WeCanMakeHomes @ModCellTweet
Nesta New Radical. FRSA
David Dye @davedye.bsky.social Metallurgy Prof at Imperial. Decarbonisation, heat and fabric in buildings; Enerphit, heat pumps. Micromechanics of Ti and Co/Ni in jet engines - because people like to land. Zr in LWRs and TR/WIP MedMn steels. A lot of XFEL, synchrotron and neutron stuff.
Neil Lewis @lowcarbonlewis.bsky.social Climate Change. Decarbonisation.
@Ynnisirgar
Electric vehicle nerd.
@TrydaNiCymru
EV Car Clubs.
Plaid Cymru Carmarthenshire County Councillor.
Carmarthen. ynnisirgar.org
Mark Johnson @htownmark.bsky.social Occasional Film and Earth Block Maker
Martin Walshe @mwalshe.bsky.social Sustainable Energy Engineering lecturer at SETU Waterford campus
Trystan Lea @trystanlea.bsky.social Monitoring heat pumps at HeatpumpMonitor.org, open source energy monitoring at OpenEnergyMonitor.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
Steve Fawkes @drstevefawkes.bsky.social Founder of epgroup.com Practitioner, author and speaker on energy efficiency, distributed energy & financing the energy transition. Blog at onlyelevenpercent.com
Glyn Hudson @glynhudson.bsky.social Co-founder of @openenergymon, passionate about energy transition and low carbon travel. Love rock climbing, cycling & outdoor adventures, 9yrs #FlightFree https://openenergymonitor.org https://heatpumpmonitor.org https://zerocarbonadventures.co.uk/
Sue Rowlands @suerowlands.bsky.social Ex urban designer. Mediocre at many sports. Passivehouse evangelist. www.ecobungalow.co
Bill Butcher @billbutch.bsky.social West Yorkshire Passivhaus builder, trainer, consultant, co-founder of Green Building Store now 21 Degrees, grandfather.
Dava Stewart @davastewart.bsky.social Freelance content specialist. Learning more, sharing hope. Hobbies: gardening, quilting, cooking, reading, crochet, knitting, hiking
Martyn Broadest @martynbroadest.bsky.social Director of Home for @ConnectHousing in West Yorkshire. @YHClimateCom Commissioner. Keep busy doing stuff in social housing and climate & nature emergency. @NorwichCityFC. UK Labour.
Tim Robinson @tim12rob.bsky.social urbanist, recovering architect. child of the oil crisis, parent raising low carbon kids. Friding. all views my own. Auckland NZ via India and t'north.
Liz Lainรฉ @lizlaine.bsky.social Sustainable homes, resilient communities, strategic #retrofit, data geekery, policy wonkery and the good life. #ukhousing #energyefficiency #proptech
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)
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
Keith Alexander @keithalexander.bsky.social Interested in climate & the environment
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
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
Erin Biba @erinbiba.bsky.social She/Her
Freelance Science Journalist. Fact Checker.
NatGeo, BBC, SciAm, NBC News, PopSci, WIRED, and others.
Hire me to fact check your book.
I post about Jewish stuff, disability, Star Trek, and The Buffalo Bills.
Jersey girl.
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
Ian Fotheringham @ianfo.bsky.social In favour of physics and counting. If we all do a little we will only achieve a little.
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
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/
Beth Williams @bethwilliamsse.bsky.social Structural Engineer & Certified PassivHaus Designer.
Climber. Musician. Late diagnosed autistic.
Susie Diamond @inklingllp.bsky.social I am a partner at Inkling - a dynamic thermal modelling consultancy helping to make buildings more comfortable and energy efficient. #BuildingPhysics #EndGasNow
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
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
Debbie M (Anadapta) @debbieanadapta.bsky.social Supporter of #ClimateAction for construction. I am part of the amazing team at ASBP @asbpuk.bsky.social (part of Sustainable Development Foundation).
Kate de Selincourt @katedes.bsky.social Writer - sustainable building and the environment
Prof. Rob McLeod @robscot.bsky.social Professor of Building Physics and Sustainable Design at TU Graz ๐ช๐บ...Pracademic, Author, Adventurer and Activist!
Comnecting the dots...
#IndoorAirQuality #Ventilation #BuildingPhysics #Resilience
#ClimateCrisis #Health&Wellbeing #SocialJustice
Marianne Heaslip @marianneh.bsky.social Workingtonian in Liverpool(home)/Manchester(work), UK.
Working on tools and processes for better building retrofit, mostly in houses, mostly for coops and community energy orgs. Keen on the need to #stopburningstuff.
Rachael @techpoodle.bsky.social ๐ก Electronics Engineer | ๐ฟ Nature & Animal Lover | ๐ Renewable Energy Advocate | ๐ Climate Action Enthusiast | ๐ LGBTQ+
Working towards a sustainable future through technology and innovation.
No DM's unless I know you!
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
EssaysConcern @richarderskine.bsky.social Research fellow at The Schumacher Institute. Knowledge management specialist. Artist, Educator, Writer. Born 312.6 ppm
www.trustedknowledge.org
www.essaysconcerning.com
www.richarderskineart.com- H @handle.invalid @handle.invalid
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.
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
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Jennifer @jagbsn.bsky.social Stage 4 triple-negative breast cancer haver, 4 years into it. Surfing the waves of remission-recurrence and rediscovering how to live in the midst of it ๐๐
Will Yeates @wyeates.bsky.social Climate and enviroskeeting.
Strat climate comms & media freelancing: Will@WYeates.com
(๐ London, Europe)
Permanently deleted my twitter account. So should you.- H @heatgeek.bsky.social @heatgeek.bsky.social
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
Passive House Plus @phplus.bsky.social Award-winning green building magazine
For: comfortable, healthy, low carbon buildings with tiny energy use.
๐ฎ๐ช+ ๐ฌ๐ง print editions + projects from whole ๐.
Passive house / Passivhaus
Tomato / tom8to
www.passivehouseplus.co.uk
Philip Oldfield @sustainabletall.bsky.social Head of School at UNSW Built Environment and Professor of Architecture. Writer, researcher & teacher, tall buildings, climate change, embodied carbon, cities
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
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
Mark Siddall @marksiddall.bsky.social Architect @ http://LEAP4.it โข Passivhaus Pioneer โข Technical Advisor โข Researcher โข Educator โข Dad โข CO2 329.7 ppm
Mike Page @mikepage.bsky.social Engineer, Professor of Cog Psych; Neural-network models of serial memory & word learning;
Zero-carbon microhousing design @ http://cubeproject.org.uk
Red-Green New Deal/UBI/Degrowth/Sortition
Jonathan Atkinson @lowwintersun.bsky.social Live near Manchester (UK), work on citizen-led/co-op approaches to the energy transition as a way to tackle climate change. Interested in politics, urban design, anarchism, co-ops and football (not necessarily in that order). 
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
Gary @huitcent.bsky.social Doing what we can, solar, battery, EV and ASHP, cycle mostly ! Insulated bits of a 1930โs solid wall bungalow and itโs lovely.๐
JPQ @quaresmajpqp.bsky.social Architect #EnergyEfficiency, #passivhaus #PassiveHouseDesigner, #Sustainability
Please don't dawdle, Alice! We're very late, indeed! (The White Rabbit, Alice in Wonderland)
Gregory Duncan @duncanarchitect.bsky.social Designing comfortable, healthy, energy-efficient buildings
Certified Passive House Designer
Registered Architect in NY and NJ
๐๐ฉ๐ณ๐ช๐ด๐ต๐ช๐ข๐ข๐ฏ ๐๐ข๐บ๐ญ๐ฐ๐ณ ๐ @christiaan.bsky.social Chartered Architectural Technologist MCIAT
Freelance Vectorworks Specialist
Health & Fitness โข Food & Nutrition โข Gardening โข Tech ๐ณ๐ฟ๐ฌ๐ง๐ต๐น๐ช๐บ
Passivhaus Trust @passivhaustrust.bsky.social Leading the way for adoption of the #Passivhaus standard in the UK. UK affiliate of the International Passive House Association.
www.passivhaustrust.org.uk
.
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
Kit Sauder @kitsauder.bsky.social I help Leaders & Entrepreneurs Tackle Big Problems to Drive Lasting Impact on a mission to partner with 100 purpose driven companies to generate $1 Billion of economic & social value by 2035.
He/Him | Vancouver, BC, Canada ๐
SauderStrategy.com
Annie Leymarie @annieleymarie.bsky.social Nature / Climate / More-than-humans / Degrowth / Social justice / Food, Farming and Land Use / Energy / Retrofits / Transport... with typos
London
Michelle Wong @mishwoz.bsky.social Interdisciplinary Professional #CleanAir
#HealthyBuildings ๐ฆ๐บ๐ฌ๐ง๐ช๐บ
Architecture | Allied Health
Equity Access & Inclusion
Former NHS Speech Lang Therapist
PGDipSLT / BArch
RCSLT non practicing member
Founder #CleanAirClassrooms ๐ฌ๐ง
Posts personal views
Robert Llewellyn @bobbyllew.bsky.social Born at 314 ppm CO2. (We are now at 427.8 ppm CO2)
Founder and presenter on the Everything Electric Shows.
That bloke from Red Dwarf and Scrapheap Challenge.
Info@unitedagents.co.uk
Prof Cath Noakes @cathnoakes.bsky.social Pro Dean Research and Innovation in Engineering and Physical Sciences at Leeds University. Indoor air, ventilation, infection risks, fluid dynamics, academia, EDI in science and a few cats. Views my own. #academicsky
Kate Raworth @kateraworth.bsky.social Author of Doughnut Economics, Co-founder of Doughnut Economics Action Lab, Senior Teaching Fellow at Oxford Uni Environmental Change Institute. doughnuteconomics.org
Alex Steffen @alexsteffen.bsky.social Planetary foresight and personal climate strategies.
Courses: https://alexsteffen.thinkific.com/
Podcast/newsletter: https://alexsteffen.substack.com/
Start here โ https://alexsteffen.substack.com/p/foresight-is-no-longer-a-luxury
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
Ketan Joshi @ketanjoshi.co Hey, I'm a climate and energy writer / data analyst who focuses on corporate + govt accountability
Creator + curator of the Greensky feed: https://ketanjoshi.co/greensky/
Based in Oslo but write about US, Europe, Aus too - ketan.joshi85@gmail.com
Clean Air Classrooms #CleanAirForLife @cleanairclassrm.bsky.social #CleanAir #IndoorAirQuality #HealthyLearning
#N95 #VaccinePlusPlan #CO2Monitor
#DisabilityAccess
Allied Health & Building Profession Led
Founder @mishwoz.bsky.social
Information for UK schools & parents
https://tinyurl.com/CleanAirClassroomResource
John Butler @jbsustbuild.bsky.social Sustainable Building Consultancy.
Geek for Hire. Passivhaus, Low-carbon building & retrofit. Late diagnosed autistic. He/him.
For the music/performance version of me go to @the-woodlouse.bsky.social
https://www.sustainablebuildconsultancy.com
Simone Ferracina @simoneferracina.bsky.social Senior Lecturer in Architectural Ecologies + MArch Programme Director, University of Edinburgh. BOOK: Ecologies of Inception: Design Potentials on a Warming Planet. Anti-fascist.
https://linktr.ee/simoneferracina