Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
Lex Vaughn @lex.vaughn.theneedling.com Founder & Editor of @theneedling.com, Seattle's Only Real Fake News. Pulitzer Prize-winning real real news reporter.
A lil more about me: https://tinyurl.com/awveap8v
Matthew Lewis -- living in the era of cults and consequences @mateosfo.bsky.social I make things, including bike rides, state housing laws, bread, and trouble. Quality varies with rainfall, political winds, and tire pressure. Run comms at @cayimby for the love of cities.
ashley fairbanks @ziibiing.com asiniiwiikwe indizhinikaaz. anishinaabekwe in yanaguana. storyteller, comms nerd, & artist trying to shift power and build a just and sustainable world. fuck borders. land back. she/her/wiin.
Prof Ian Hall @ianhall.bsky.social 🌍 Climate Scientist & Palaeoclimatologist | Marine Geologist | Professor @ Cardiff University
The climate has changed before. Earth’s past can tell us a lot about what happens next.
🏃♂️ Ageing marathon runner | #FirstGen | He/Him 🏴 🇪🇺
Greenpeace International 🌍 @greenpeace.org Greenpeace exists because this fragile earth deserves a voice. It needs solutions. It needs change. It needs action. https://empli.fi/greenpeace
Jane Flegal @janeaflegal.bsky.social Executive Director, Blue Horizons Foundation. Formerly @Stripe Climate/Frontier, @WhiteHouse Climate, @Hewlett_Found, Spitzer Trust. PhD @ESPM_Berkeley. Views my own.
Clara Nellist @particleclara.bsky.social Particle Physicist working on the ATLAS Experiment at CERN and Science Communicator
Makes videos about physics on YouTube, Insta and TikTok 
Natalia Barbour @nataliabarbour.bsky.social Transportation | Cycling | Cities | former academic | past TU Delft & MIT | 🇵🇱
IG: natalia_barbour_phd
www.nataliabarbour.com
Kendra "Gloom is My Beat" Pierre-Louis @kendrawrites.com Climate journalist based in NYC. Only speaking for myself. If the NYT has no haters I'm dead.
Tips? Reach me on Signal kendrawrites.04
madeline odent @oldenoughtosay.com chaos feed. heritage, history, old buildings, social justice. 🏴🇺🇸🏳️🌈. sea witch, professional gargoyle, teller of tales. (she/her)(Oxford, England)
Jane Chilton 🇺🇦 @janechilton.bsky.social Glasgow-based videographer & drone op. Former journalist. Environment, climate, positivity and equality🌱🌍 💜🤍💚🏴 #ukraine🇺🇦 #vanlife
Tom Moffatt @solarab.bsky.social <o> A climate activist. An advocate for universal free electricity. (I have it, why can't you?) Saving the biosphere is a precedence-taking activity. Author, song writer, vagabond, microgenerator. A proud Canadian #ElbowsUp
Resistance Rangers @resistancerangers.altgov.info The official resistance account of off-duty NPS rangers. Fighting for national parks and park employees! https://www.resistancerangers.org/
https://linktr.ee/resistanceranger?utm_source=linktree_profile_share<sid=8d19b18e-7568-4236-9d00-e6ea9c0c44ae
EcoCity Action @ecocityaction.org Your friendly neighborhood environmentalists obsessed with trees🌲, orcas , salmon, birds 🐦, beavers, bees 🐝
AND
bike lanes 🚴, public transit 🚇, walkable communities🚶🧑🦽, affordable/social housing, vibrant cities, welcoming new neighbors💚
ecocityaction.org
Prof Ray Wills @profraywills.futuresmart.com.au Futurist
Disruption
Ag, biz, cities, climate, ecology, economy, energy, renewables, robots, tech, transport
World Top100 Sustainability
MD Future Smart Strategies™
Prof UWA
Be Good
(I only follow accounts with name+pic+profile + poke me!)
Alaina Wood @thegarbagequeen.bsky.social Climate Storyteller & Activist
Sustainability Scientist
🌍 https://linktr.ee/thegarbagequeen
📧 alaina@pharos.co
Helen Czerski @helenczerski.bsky.social Physics, bubbles, oceans, hot chocolate and curiosity. Professor at UCL, writer, broadcaster. Author of Storm in a Teacup and Blue Machine https://linktr.ee/helenczerski Co-host of BBC Radio 4's Rare Earth
Justin @justinskolnick.com justinskolnick.com
2-way protected bike lane enthusiast @seachanger.bsky.social “there’s nothing new under the sun but there are new suns”
-Octavia Butler
# 1 St. John’s bridge fan acct
Alaska->PDX
let’s plant trees in the street
Brad Simpson @bradleyrsimpson.bsky.social US foreign policy, human rights, decolonization, Indonesia, UConn, DIPG dad. #DefeatDIPG
https://www.bradleyrsimpson.com
My new book from Oxford! https://global.oup.com/academic/product/the-first-right-9780199944408?q=the%20first%20right&lang=en&cc=us
Sumita Pahwa @sumitapahwa.bsky.social Social scientist, Bombayite, Californian, ex-Cairene. Mango maven. Cat lady. Teaches at Scripps College. Deeply sourced expert in search of novel gustatory experiences. If you post/snipe, anonymously, expect to be blocked.
The Urbanist @theurbanist.org Advocacy journalism for better cities.👩🦽👨🦯🚶🚴♀️ 🚎 ⛴️ 🚊 🚆 🏙️
Based in the Seattle metro area.
Read our coverage on theurbanist.org. 📰
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.
Dr. Vin Gupta @vinguptamd.bsky.social Physician | Communicator | Health Technology Leader
drvingupta.com
views me
♦️MS NOW Senior Medical Analyst
♦️Host, Meidas Health
♦️Pulmonologist/ICU Doc
♦️USAF Medical Reserves Corps
♦️American Lung Assoc Board of Directors
Mike Masnick @masnick.com Techdirt guy. Writes about social media, copyright, free speech, content moderation, civil liberties and stuff like that. Once wrote a paper that may have helped inspire this service & now I'm on its board: https://bit.ly/protocolnotplatform
Jessie Singer @jessiesinger.bsky.social Author of THERE ARE NO ACCIDENTS, "brilliant and alarming" (Booklist), "deeply researched...eye-opening, urgent" (Kirkus). Now on sale http://bit.ly/3AsDJUw 
🌾 Dr. Liz Anna Kozik 🌾 @chaseprairie.bsky.social Research Scientist 🌾 Adj Professor
Scicomm 🌾 Env/Sci History 🌾 Comics
history, plants, & goldenrod 🌾🏳️🌈🌾
https://liz.kozik.net
she/her
@negauneeinstitute.bsky.social 🌿 Chicago Botanic Garden 🌿
https://rethinkinglawns.com
Christian Dimmer @remmid.bsky.social dad／urbanist／assoc.prof. transition design + urban studies｜waseda university｜Tokyo｜co-learning／co-design｜public spaces／spheres｜urban practices／theories｜place {un}making／becoming｜climate + sustainability／resilience｜views expressed here are my own
Global Covenant of Mayors @mayors4climate.bsky.social The Global Covenant of Mayors for Climate & Energy is the largest global alliance of cities transitioning to a climate resilient economy.
Phil Pothen 🇨🇦 @pothen.bsky.social Counsel and Land Use and Land Development Program Manager for Environmental Defence. The "Hands off the Greenbelt" guy. Arch-Adversary of Mr. Sprawl. Tweets aren't advice or statements from Environmental Defence. he/him
Prof B (Matthew Burke) @weekendatburkys.bsky.social CEO of Bicycle Queensland 🚲 🚲 🚲 Transport and urban planning Prof from Brisbane, Australia. Cycling, walking, micro-mobility, public transport, urbanism, electrification, and more.
Jerome Alexander Horne @jahorne.bsky.social 🏙️🚶🏾♂️🚍🚏🚇🚲💪🏾🏳️🌈 (He/Him) Queer Urbanist - Transit Professional - Transit Nerd - Community Connector
Interests: Cities, Cycling, Walking, Architecture, Museums, Performing Arts, Trains, Buses, People
All views are mine.
https://www.instagram.com/jahorne
Alex Ip 葉清霖 @alexip718.com Freedom through Truth for Service.
Publisher and Editor at @thexylom.com.
I made the "Generative AI Slop-free News Outlets" starter pack + feed: https://go.bsky.app/8cn1XfT
Signal: alexip.718
Email: alex@thexylom.com
Newsletter: newsletter.thexylom.com
Cody Hochstenbach @codyhochstenbach.bsky.social Urban geographer (University of Amsterdam) | Housing | Author (Das Mag) | Co-director Amsterdam Centre for Inequality Studies (AMCIS) | Editor International Journal of Housing Policy, Beleid & Maatschappij | All links:
https://linktr.ee/codyhochstenbach
Kevin Manaugh @kmanaugh.bsky.social Transport Justice - Sustainable Cities
Department of Geography and Bieler School of Environment
@McGillU
Chair of TRB Pedestrian Committee (ACH10)
Kea Wilson @keawilson.bsky.social Senior editor + advocacy journalist at Streetsblog USA covering the movement to end universal car dependency. Based in STL, reporting nationally. Tips to: kea@streetsblog.org or kwilson.52 on signal. Opinions are my own.
Filip Schmidt @filipschmidt.bsky.social Sociologist and activist, assistant prof. at AMU Poznan, Poland. Studies mobility and transport (social justice, social practices, mob. biographies, soc. and env. benefits&costs of mobility) and family life course. Chairman of Jeżyce Neighbourhood Council.
Frederik Hoedeman @fredhoedeman.bsky.social Advisor Public and Active Mobility at Copenhagen City
Lior Steinberg @steinberg.nu Planning cities that make people smile;
Co-founder @ humankind
Author of The Car That Wanted to be a Bike: http://humankind.city/car
📍 Rotterdam, The Netherlands
Scott Ford @scottford.bsky.social Deputy Director of the Downtown Sacramento Partnership. Champion of sustainable growth models, walkable/rollable communities, and the foundational importance of vibrant downtown neighborhoods as drivers for regional prosperity.
Ian Semple @ianjsemple.bsky.social Transportation & Transit Director for a growing Canadian city. Working to create complete communities with sustainable, multi-modal transportation solutions. Committed to building safe, accessible, and reliable ways to move, connect, and thrive.
Dan HIll @cityofsound.bsky.social Designer, urbanist &c. Director, Melbourne School of Design + Professor, University of Melbourne + Visiting Prof of Practice, UCL IIPP. Prev.: Vinnova (Swedish Gov), Arup, Future Cities Catapult, SITRA (Finnish Innovation Fund), BBC. FRSA.
London Cycling Campaign @londoncycling.bsky.social 🚲 Registered charity with 20,000+ members & supporters making cycling in London safe everywhere and fun for everyone.
Anne Keary @annekeary.bsky.social Climate activist wearing too many hats - interested in climate justice education & municipal climate strategy. Co-chair Toronto Climate Action Network. For Our Kids Toronto. Environmental Education Ontario. Independent scholar (Ph.D. history, UC Berkeley)
James Longhurst @jameslonghurst.bsky.social college professor in the U.S. Midwest (all views mine); author of "Bike Battles: A History of Sharing the American Road" / "Las Batallas de la Bici." Shop intern, historian of urban and environmental policy, gravel grinder.
Mitchell Silver @mitchellsilver.bsky.social Urban planner, speaker, placemaker and professor of practice. Former NYC Parks Commissioner, Raleigh Chief Planning Officer and AICP & APA President. Passionate about people, planning, parks & public space.
holly caggiano @holcaggiano.bsky.social planning for climate equity (PLACE) lab • asst prof UBC SCARP • VWFC fan ⚽ • not rolling my eyes, I have tourette syndrome
Geraint Ellis @gellis23.bsky.social Professor of Planning at QUB: Sustainability, planning, energy, health, environmental protection. Editor of Jrl of Env Planning & Policy. Full profile: bit.ly/ZYkPNM
Albert S. Fu @novumsimulacrum.com #Sociology prof that plays video games & studies the #BuiltEnvironment. Taiwanese American in PA. Irvine + Binghamton alum. Author of Risky Cities: The Physical and Fiscal Nature of Disaster Capitalism https://tinyurl.com/jkvbxcn4 Views are my own
Congress for the New Urbanism @cnunewurbanism.bsky.social CNU envisions a world where cities, towns, and neighborhoods are intentionally designed and managed to foster community, preserve the natural environment, and improve the lives of all people.
Learn more: cnu.org
CNU 34: May 12-16, 2026! cnu.org/cnu34
Parking Reform Network @parkingreform.org An org with a mission to educate the public about the impact of parking policy on housing, climate, equity, and traffic.
https://linktr.ee/parkingreform
Blaise Rémillard @blaiseremillard.bsky.social Mobilité et urbanisme au CRE-Montréal | Innovation écosociale | Transition | Concertation | Montréal
Detroit Greenways Coalition @detroitgreenways.bsky.social #Detroit advocates for a citywide network of #greenways, #CompleteStreets & bike pathways 🚶🏾🏃🏾👩🏾🦽🚴🏾
linktr.ee/detroitgreenways
Amy Hemmeter @amyhemmeter.bsky.social Climate Person, Data Scientist, Novice Transit Nerd and Car-free in the Motor City, Vegan
Russell McIntyre @russellmcintyre.bsky.social US Climate & Housing Policy
Senior Policy Analyst at Cotality
(views are my own)
Carolina sports, star wars, marvel, and memes
WNC / UNC '13 / GWU GSPM '16 / 📍DC
#greensky #climatesky #housing #urbanism
Phil Birge-Liberman @ghostofolmsted.bsky.social Urban/historical geographer
UConn Hartford.
Parks for sustainable cities.
Boston sports | Guide dog puppy raiser
Personal account
Kevin Essington @kevinessington.bsky.social Usually: cities, nature, climate, New England. Also: Arsenal FC bantz. https://www.citygreenerstrategies.com
Peter @petergotautahi.bsky.social 
Jonathan Clarke @jrlclarke.bsky.social Associate Professor in Global Sustainable Development. Interested in cities, energy, water and housing. Methods around resilience, representation and co-creation. 
Sheila Foster @sheilarose.bsky.social Columbia professor. Scholar of environmental and climate justice, cities, and who gets to build the future. Co-founder LabGov. Detroit born, Miami bred.
https://people.climate.columbia.edu/users/profile/sheila-foster
Dave Thompson 🇨🇦 @davethompsonvic.bsky.social Community, housing, climate, urbanism. Also Victoria BC Councillor, CRD Director. Civil discourse, good governance. Pragmatic progressive. Please email for City business. My own views only. Seeking re-election in 2026! www.davethompsonvictoria.ca☄️⏳#yyj 🇨🇦
Alicia, Courtyard Urbanist @urbancourtyard.bsky.social Launching the CIMBY (Courtyard In My Backyard) movement in North America, starting in Chicago.
CargoB @ridecargob.bsky.social North America's first on-demand electric cargo bike share 🚲📱🌎🏙️
Follow us on IG: @ridecargob
Email us: hello@rideCargoB.com
Learn more: https://rideCargoB.com
https://bit.ly/CargoBgifts
Now available on Apple and Android
Currently serving the Boston area
Climate Action London @climateldnont.bsky.social Later is too late. Educating, Advocating, Collaborating on Climate Action in London, Ontario, Canada 🇨🇦
Sign up for our local newsletter
www.climateactionlondon.ca/newsletter
Owen Waygood @owenwaygood.bsky.social Sustainable transport prof.; Transport and children’s wellbeing; travel behaviour; psychological framing and transport decisions; oh yeah, car free w/ 3 kids.
City Observatory @cityobservatory.bsky.social Original research and commentary on what matters for city success. 
Urban Institute @urbaninstitute.bsky.social The Urban Institute is a research-to-impact institution founded on one simple idea: To improve lives and strengthen communities, we need practices and policies that work.
TREC at PSU @trecpdx.bsky.social Portland State University's Transportation Research and Education Center (TREC). Home to the Initiative for Bicycle and Pedestrian Innovation (IBPI), transportation data programs PORTAL & BikePed Portal, Better Block PSU, and PSU's membership in PacTrans.
Mat Lipson @mlip.bsky.social Climate scientist. Focussed on developing better urban climate models.
http://isithotrightnow.com | http://theurbanist.com.au
Jen Mapes @mapesgeog.bsky.social Community geographer, cartographer, pedestrian, cyclist. Author of "The New American Small Town: Lessons for sustainable urban futures" (West Virginia University Press, June 2025). https://communitygeography.kent.edu/
Qagggy! @qagggy.bsky.social 📍Seattle/London. Board member at Seattle Streets Alliance. Opinions amirite. Safe, sustainable, equitable, healthy cities. Dongho Chang superfan. (he/him)
Pedro Peterson @peterpedroson.bsky.social I work at the intersection of urban mobility, land use, and climate.
I occasionally post about Brazil, music, and football (the one played with feet).
Views are my own.
Clare Heaviside @climateclare1.bsky.social Associate Professor at UCL working on urban climate, heat and health. NIHR funded population health fellow. Musician, living in Oxford.
2030hub @2030hub.bsky.social Accelerating sustainable cities and business.
World's first Local2030 Hub. Certified B Corp. ❤️ SDGs
Harrison Watt @harrisonwatt.bsky.social Advocating for sustainable cities and active transport 🌳🚲🚶🏳️🌈
Niki Frantzeskaki @nfrantzeskaki.bsky.social passion for research of/with cities, climate change, resilience & sustainability * urban nature-based solutions governance * professor of urban & metropolitan transitions & governance * she/her 🇬🇷🇪🇺
TR Jeffery @trjeffery.bsky.social I lead a small govt organization at the intersection of water resources, climate resilience, and urban planning. Using nature based solutions to protect water resources and build resilience. Administrator at RPBCWD. Views expressed are exclusively mine.
Nina Kelly, PhD @nina-eliz.bsky.social asst prof of organizational communication | civic info & political participation/communication researcher | urban & regional planner (AICP) | MI—> CT | flâneuse | views are my own
Andy Barenberg @andybarenberg.bsky.social Economist. UMass Amherst/UMKC trained. Bike Commuter. Soccer Coach. Currently focused on making cities equitable and sustainable. 
Mallory Baches @mallorybaches.bsky.social AICP, LEED-AP, CNU-A
Urban design, sustainable cities, ND Football
Mom, President of @cnunewurbanism.bsky.social
@ox.ac.uk and @ndschoolofarch.bsky.social alum
www.cnu.org
Ayana Elizabeth Johnson @ayanaeliza.bsky.social Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Dr Lizzy Lowe @lizzylowe.bsky.social Working to create sustainable cities 🏙️
& ecosystems full of invertebrates 🐞
Inordinately fond of spiders 🕷️
Research Fellow at ECU 🌱
Helen Macintyre @drhelenmac.bsky.social Principal Climate Change Scientist working on climate change & health including spatial modelling, urban environment, air quality, heat and cold, and co-benefits of climate action inc nature based solutions. Former geologist. PhD in Atmospheric Chemistry. 
Liam K McGrath @liammcgrath.bsky.social Forecasting & modelling for sustainable cities Transport for London🚇 Director at Leathermarket CBS affordable housing 🏢 Director se1.solar Community Energy ☀️ Urban history podcast yeoldeguide.com
Personal opinions
liamkmcgrath.com
John Stehlin @jstehlin.bsky.social Urban/economic geographer focused on the political economy of urban sustainability and transportation, Department of Earth Science and Geography, Vassar College
Aimee Rawlins @aimeerawlins.bsky.social Seattle-based writer + editor covering climate, cities, housing, transportation, and all the ways they intersect.
Mason Hickok @masonhickok.bsky.social Story Desk Editor at KENS 5 News | Bylines: @mysanantonio.com, KSAT 12 News, The Paisano | Trail running, film, and more | Portfolio: https://authory.com/MasonHickok
Isobel Braithwaite @izzybraithwaite.bsky.social Public health Dr/researcher, London - Climate & health, housing, urban sustainability
Dr. Dasaraden Mauree @dmauree.bsky.social Decarbonisation / urban adaptation / climate resilience / sustainability
Décarbonisation / adaptation des villes / résilience / durabilité
Group leader at WSP
Mauritius 🇲🇺
Switzerland 🇨🇭
France 🇫🇷
TC (Tirthankar Chakraborty) @tchakraborty.bsky.social Earth Scientist @ Pacific Northwest National Lab; previously Yale (PhD '21); more previously IIT Kanpur (M.Tech '15)
| urban climate | aerosols | remote sensing | heat stress | Google Earth Engine | geospatial | machine learning |
https://tc25.github.io/
Dr David R Brake @drbrake.bsky.social Journalist, policy wonk (transit, urban planning, EVs, climate, internet/media regulation), PhD (Media@LSE), dad, newly-adoptive Brightonian
Alessandro Rigolon @alerigolon.bsky.social Associate prof of urban planning. Research on green space equity, green gentrification, climate adaptation, and health equity. Love SLC, my family, and the great outdoors. Opinions (good or bad) are my own 🇮🇹🇺🇸 🌩️👀 rJgnW3igNgz7
Paul Angelone @angelone.bsky.social Work at intersection of the built environment, climate, and sustainability but post mostly about urban(ish) things and family adventures! | Washington, D.C.
https://www.paulangelone.com/
Thorfinn Stainforth @bxlthor.bsky.social Senior Policy Manager, Environmental Defense Fund Europe. Focused on climate, transport, and urban policy. Brussels based. Opinions are my own.
Mary Pustejovsky @mpusto.bsky.social Cargo bikes, urbanism, safe streets, climate. Heat pump all the things! Views are my own. #MadisonWI #EverTrue
How-Sen Chong @how-sen.com Toronto urban environmentalist. 20+ years in climate activism. Fancy degrees from McGill and Yale. Posts my own.
Driver against car dominance. Renewables and battery storage maxxer.
https://how-sen.com/link
Eugenie Waters @eugeniewaters.bsky.social Family Physician | Climate Action | E-Cargo Bike Mom | Ottawa
Leaning in for sustainable healthcare systems, safe active transportation networks, urbanism, biodiversity at the community level, greening schoolyards, and getting off fossil fuels. 
Sara Fuller @sarakfuller.bsky.social Geographer, Macquarie University, Sydney. Researching climate change, energy, activism, cities, communities and justice.
Rhi Faux @rhifaux.bsky.social MSc Environmental & Forest Science. Active transportation, climate, nature, parenting, running, social justice, urbanism. Work for a national health-focused environmental nonprofit. Volunteer with Vision Zero Vancouver.