Playing Out @playingout.bsky.social We campaign for children's everyday freedom and right to play out near home. Founders of the UK-wide play street movement. www.playingout.net
Critical Mass Basel @criticalmassbasel.bsky.social Jeden letzten Freitag Petersplatz um 18:30h. Fan Account Critical Mass Basel. Compte Critical Mass Bâle. Tutte le biciclette sono benvenute.
https://linktr.ee/criticalmassbs - https://strava.app.link/jdPYGAuaRTb - https://criticalmass-basel.ch
Cork Cycling Campaign @corkcyclingcrew.bsky.social We are an independent volunteer group working to make Cork a bike friendly and bike safe city.
https://corkcyclingcampaign.com/
Maurice J. Casey @mauricejcasey.com Historian of intimacy and revolution in 1920s-40s Europe. New project: anti-Nazi vegetarians.
Author of Irish Book Awards shortlisted HOTEL LUX — about a hotel in 1920s Moscow — and radical history newsletter Archive Rats:
archiverats.substack.com
Brian Shannon @brianshannon123.bsky.social Recovering ex car owner.
All views my own. he/him
@BrianShannon@mastodon.green
https://x.com/BrianShannon123
Belfast, Northern Ireland 
Petrina Doyle PT @petrinadoylept.bsky.social She/Her
Basketball | Cycling | Running
Advocate for Social Sport
Founder: Active Women NI (est.2021) & Fitness Unchained (2018-2022)
Dog mama | Nerd | Super Gay 🏳️🌈 | Disillusioned millennial | Coffee connoisseur | Sapphic fiction reader
#cleanair
I BIKE Dublin @ibikedublin.bsky.social A community of people who choose to cycle in Dublin. We seek a more liveable city & safer cycling conditions for all. #CriticalMassDub #FreeTheCycleLanes
https://ibike.ie/ 
Ray Cunningham @ray-cunningham.bsky.social Green Party councillor for Ballyfermot-Drimnagh on Dublin City Council
https://linktr.ee/raycunningham
OB Cycler @obcycler.bsky.social Road Safety Lunatic
Try an ebike, you'll love it!
San Diego, CA
Check out the videos tab ⬇️
Bike Lane Uprising @bikelaneuprising.bsky.social Report bike lane obstructions with our mobile app from anywhere in the USA & Canada.
BikeLaneUprising.com
Ciaran De Buitlear | Gardeningwell @gardeningwell.ie Author of Nature’s Acre. Founder, Gardeningwell.ie — wildlife gardening in Ireland (Stamullen, Co Meath).
Walled garden + school/community projects.
Peat-free, pesticide-free. Native plants, pollinators. Media: gardeningwell.ie/press/media
Critical Maps @criticalmaps.bsky.social An open source Android and iOS App to organise the monthly critical mass movement around the world. Turn it on to find the group. #criticalmaps
https://www.criticalmaps.net/
https://opencollective.com/criticalmaps - donate to keep our servers running!
Massa Crítica València @massacriticavlc.bsky.social Primer viernes de cada mes Plaza de la virgen a las 19:30h para reivindicar la bici en la ciudad. Desde 2000.
Primer divendres de mes Plaça de la Mare de Deu 19: 30h. Des de l'any 2000.
Valencia Critical Mass. First friday of every month.
Critical Mass München @cm-muenchen.bsky.social Wir sind der Verkehr. Immer am letzten Freitag im Monat in #München: 18 Uhr vor der Oper | 20 Uhr Bavaria
https://www.criticalmass-muenchen.de/
https://muenchen.social/@CriticalMassMuenchen
Niall Herron @niallherron.bsky.social PhD anthropology student @ Queen’s University Belfast. Interests: social movements, assemblage, queer oral history, the everyday, space, and my cats and bees. Researching queer experiences in the north of Ireland during the Troubles.
EcoGroups @ecogroups.bsky.social Linking groups that are working for a liveable UK, protecting climate, biodiversity and the environment
@ridingbikes.bsky.social @ridingbikes.bsky.social Books, bicycles, chocolate, climate change, and the Oxford comma. Fond of functioning democratic systems and breathable air. 
Sundance @sundance.bikesky.social Locally known bicycle personality
Builder of art bikes
Maker of LaneSaber
Alfred E. Neuman @peteer-ie.bsky.social "Why not?" Live & work in Dublin town. Father, techie. Bike 2 get around. What-me worry? Typos & spelling errors my talent.
#CriticalMassDUB #FreeTheCycleLanes #IBIKEBop
Simon Statham @simonstatham.bsky.social Senior Lecturer in English, QUB. 
Toby @tniblock.bsky.social ESRC NINE PhD Researcher | Ulster University | Researching drug markets in Northern Ireland
Michael Pierse @michaelpierse.bsky.social Academic at Queen's University Belfast. Irish Studies. Working-class writing. Left politics. Gaeilge. Tweets own opinions. RTs not endorsements.
Ards & North Down Cycle Campaign @andccg.bsky.social Our cycle campaign group is based in North Down, Northern Ireland, see andccg.org for more information.
Green Party Northern Ireland @greenpartyni.org Campaigning for social justice, climate action, grassroots democracy and a fairer, greener, cleaner Northern Ireland.
https://linktr.ee/greenpartyni
Published & Promoted by Green Party NI, PO Box 369, Bangor, BT20 9FJ
Rob Galanakis @robgalanakis.bsky.social Proud parent of two children, a failed school board campaign, cargo bike, bike bus, small business, two rats, three chickens, and dozens of mortal enemies.
❤️ PDX
https://bikebuspdx.org and https://robgforpps.com
Ioannis Tsioulakis @itsioulakis.bsky.social He/him. Ethnomusicologist and musician in Belfast. Researches popular music and labour, in Greece and Northern Ireland.
Meabh Cormacain @meabhcormacain.bsky.social Energy nerd, policy on the side, trying to recreate a little bit of Brazil in Belfast and hoping we can look after the planet better than we've been doing
Cosáin Climate @cosaingalway.bsky.social Climate Action. Active Travel. Public Transport. Travel Behaviour.
FGB @fgb.bsky.social Artist based in Belfast
Email enquiries: fgbpaints@gmail.com
Shop: FGB.bigcartel.com
David Stevens @fietsflik.bsky.social Fietsflik, Commissaris/Commissaire Team Polbru 👮🏻♂️🚲🛵🚔👮🏾,🏃♥️BXL 🇧🇪🤝Positivo #tousensemble #samensterker
Environmental Pillar @envpillar.bsky.social An advocacy coalition of Irish environmental groups, working together to promote environmental protection, a sustainable economy and a just society
Friends of the Earth Northern Ireland @friendsofearthni.bsky.social We support communities and activists in their campaigns for environmental justice. We call for strong climate action, an independent EPA, and a Just Transition.
Friends of the Earth Northern Ireland, Gordon House, 22-24 Lombard St, Belfast BT1 1RD
Hedgerows Ireland @hedgerowsireland.bsky.social Hedgerows Ireland is an island-wide organisation promoting the conservation and appropriate management of hedgerows. Est. 2004.
Website: www.hedgerows.ie
Ulster Wildlife @ulsterwildlife.bsky.social Working to bring nature back in Northern Ireland. Join now and together we can make a difference www.ulsterwildlife.org/join
Paul Price @swimsure.bsky.social Research: climate change science & policy.
Blog: https://climate-change-and-ireland.ghost.io/
–Adjunct faculty Dublin City University
ORCID: 0000-0002-7995-6712;
–eNGO research & An Taisce member;
MSc. Sus Dev & BSc(Hon) Geology
30 yrs pro carpentry.
🚲 🏊
Dara McAnulty @naturalistdara.bsky.social 20 ~ autistic ~ award winning author of ‘Diary of a Young Naturalist’ and the ‘Wild Child’ series ~ Nature Nerd and biology student ~ University of Cambridge. He/him
📍Co Down / Cambridge
https://daramcanulty.com/
Friends of the Earth Ireland @foeireland.bsky.social Irish member of the world's largest federation of environmental groups, campaigning for environmental justice & sustainability.
Registered Charity No: 20205807
https://www.friendsoftheearth.ie/
Saoirse McHugh @saoirsemc.bsky.social Nature, land, food
On windy Achill island 🏝️
Hannah Daly @hannahdaly.ie Professor in Sustainable Energy, UCC 🇮🇪
I write a monthly column for the Irish Times: https://www.irishtimes.com/tags/hannah-daly/
Born 351ppm, daughters born 408 & 410, now >420ppm 🚨 ‼️
Former @IEA and @UCL
Council for Canadian Urbanism @canurbanism.bsky.social The Council for Canadian Urbanism #CanU is a national organization of leading multi-disciplinary urbanists championing better city-building coast-to-coast! linktr.ee/canurbanism Conseil pour l'Urbanisme Canadien
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 
Adam Tranter @adamtranter.bsky.social Active travel advocate. Founder Fusion Media, co-host Streets Ahead Podcast. Was West Midlands Cycling & Walking Commissioner. Views all mine. Substack: https://www.bikeis.best/
@space4gosforth.bsky.social @space4gosforth.bsky.social 
Elaine McGoff @elainemcgoff.bsky.social PhD. Head of Advocacy for An Taisce. Water floats my boat. 🚲 powered. Views are my own. 
Anna Holligan @annaholligan.bsky.social 🚲Co-founder @thebikebureau
🌱 Oxford Climate Journalism Network
🌍 Foreign correspondent BBC News
🎓 Fellow @jschofieldtrust
⚖️ Judge @RTS_media
✍🏼 Author and public speaker
💚 ‘That cycling journalist…’
Cycling Scotland @cyclingscotland.bsky.social We are Scotland’s national cycling charity. Working with others, we get more people cycling, more safely and easily in a better environment. Charity no SC029760
www.cycling.scot
Clarence Eckerson Jr./Streetfilms @streetfilms.bsky.social The OG Urbanist Youtuber! Prolific Streets Documentarian since late 1990s. All good things: biking, walking, transit, open streets & LTNs! Visit www.streetfilms.org for more!
All tweets only represent my personal point of view.
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
Meredith Glaser @cyclingprofessor.bsky.social Professor of Cycling | CEO Urban Cycling Institute
Dublin Inquirer @dublininquirer.com Dublin's independent local newspaper, since 2015. Reader-funded through subscriptions. Wednesdays and Fridays online, monthly in print.
Caspar Hughes @caspar-hughes.bsky.social Director of the Media Sovereignty Act and the Climate Media Coalition.
Media, climate and (Stop Killing Cyclists) transport activist.
https://mediasovereignty.org/
https://climatemediacoalition.org/
Marina Grove - Belfast Urban Farm @marinagrove.bsky.social Urban Market Garden and Farm in Belfast. Est. 2025, growing goodness from 2026..
https://www.instagram.com/marinagrovefarm/
Wandsworth Cycling Campaign @wandsworthcycling.bsky.social Wandsworth branch of the London Cycling Campaign @LondonCycling.bsky.social
Sign up to hear more about our campaign ➡️ https://lcc.civiplus.net/ssp/subscribe-wandsworth-cycling-campaign-newsletter
Cllr. Séamas de Faoite @seamasbelfast.bsky.social Belfast City Councillor | Lisnasharragh | SDLP Belfast Group Leader | New Irelander | Atlanticist | LGBT+ | San Diego Democrats Alum | YIMBY | defaoites@belfastcity.gov.uk
Families for Safe Streets @familiesforsafestreets.org Individuals who have lost loved ones or been injured in a crash confronting traffic violence through advocacy and support. #EndTrafficViolence
Cllr Emily Kerr 💚 @emilykerr36.bsky.social Oxford City Councillor, Green Party, UK. Loves cycling, trees, circular fashion, car-sharing, local business, community initiatives.
(Obligatory political imprint: promoted by David Newman at 12A Merlin Road, Oxford OX4 6EP).
Riese & Müller @riesemuller.bsky.social Read more soon!
Tern Bicycles @ternbicycles.com We build bikes with an eye to changing the world. 🌎
Read more about us here: TernBicycles.com
Agustina Martire @agusmartire.bsky.social Urbanist. Reader in Architecture Queen's University Belfast. #StreetSpace. Author of Everyday Streets book
Greg @gregorymcchesney.bsky.social Northern Irish, writing and researching issues of environmental policy in Northern Ireland.
Roz Kelly @ecoactivesocial.bsky.social Founder of EcoActiveSocial.ie, an #eco, #active & #social community 🙏
Also web temping services at webtemp.ie
#Ireland
Dutch Cycling Embassy @dutchcycling.nl The Dutch Cycling Embassy (DCE) supports cities and regions worldwide in making cycling a natural part of daily life.
dutchcycling.nl
Claire Hanna MP @clairehanna.bsky.social MP for South Belfast & a social democratic, anti-sectarian, new Ireland. Leader of @sdlp.Bluesky Like arts, sustainability, Europe. Mum of 3 great girls Claire.Hanna.MP@parliament.uk.
Amanda Ferguson @amanda.ie North Belfast woman. Freelance journalist c2010. NUJ member. Writer. Talker. Events. Consultant. Reasonable. A wee bit fancy.✌🏻❣️#BeanUltach Also Director @wimbelfast.bsky.social And everywhere else: https://linktr.ee/amanda.ie
Rewilding Ireland @rewildingire.bsky.social Tweets about rewilding, and what it looks like in an Irish context.
Profile picture, print by @ciaraioch.
RenewableNI @renewableni.bsky.social Powering our energy future, RenewableNI is working with industry and government to create a zero carbon electricity system.
www.RenewableNI.com
The SDLP @sdlp.bsky.social Social Democratic & Labour Party 🕊️🌹
Progressive. Cross-community. Building a New Ireland 🤝 Be part of it ✊
📍 Promoted by SDLP, 121 Ormeau Rd, BT7 1SH
Shabazz Stuart @shabazzstuart.bsky.social Born, raised and reside in Brooklyn.🗽CEO of Oonee. Working to make our cities better places to live. 🚲🛴👷🏾Unapologetically Woke. 📣✊🏾🫶🏾
🇺🇸🇧🇧 📍Brooklyn
Jan Hauser @janhauser.eu Investment and Portfolio Manager at EIT Urban Mobility 🚲🚃🇪🇺 Supporting urban mobility startups and innovation projects across Europe 💚🌍
JTalvi @jtalvi.bsky.social I am passionate about sustainable city development. Husband and father of two little kids. Views are my own.
Alison Campbell @acampbelteacher.bsky.social Biology educator, science communicator (I'm retired but still doing both!), foodie, dog-lover, avid reader, & somewhat addicted to cycling for pleasure. Occasional blogger: https://blog.waikato.ac.nz/bioblog/
Lyon à tricycle PMR ♿️🚲 @enpmr.bsky.social Tribulations urbaines d'une handie J'ai repris le 🚲 en 2020 après 10 ans d'interruption pour raisons de santé #lavilleàvélo #antivalidisme #féminisme #sep #ms
Cool Bike Art @coolbikeart1.bsky.social A celebration of all things bicycle. No AI. I'm a teacher 🇺🇸 of English living in Slovakia.
@coachbalto.bsky.social @coachbalto.bsky.social 
Jack @jacksmyth.bsky.social People Before Profit - Wexford, Ireland | Irish Writer and Academic | Leftist Supporting All People 🇮🇪🇵🇸🏳️🌈🏳️⚧️ | Posting in a personal capacity
Ordinary Bloke On A Bike @blokeonabike.bsky.social I discovered Cycling as an antidote to Arthritis & Anxiety. Hopefully with my YouTube videos I can inspire "ordinary" folk to get out & push their boundaries.
https://ordinaryblokeonabike.co.uk/
https://www.youtube.com/@OrdinaryBlokeOnABike
The Belfast Urbanist🔻🚋 @belfasturbanist.bsky.social 26 | they/them // Belfast // all opinions are my own // #RebuildOurRailways | #EvenBolderVision // Green Party NI member 💚 // 🏳️🌈🏳️⚧️🇵🇸
The Outer Source @theoutersource.bsky.social 
Colin Murray @colinmurray.bsky.social Professor of Law & Democracy @newcastleuni.bsky.social
Constitutional Law | Human Rights | Brexit | Devolution | Political Violence | Colonialism | Other Assorted Dourness
He/Him 
Roy White @roywhite-ni.bsky.social Interested in Centre-Left/Green Politics, City & Transport Planning, esp cycling. Formerly @roywhite_ni on Twitter.
Belfast Telegraph @belfasttelegraph.co.uk Northern Ireland news, sport, features, opinion and debate
🏆 News Website of the Year - #RegionalPressAwards
www.belfasttelegraph.co.uk- D . @deptinfra.bsky.social --
Circle Line Belfast @circlelinebt.bsky.social Campaigning for a Circle Train Line around Belfast Metro Area using existing rail track and reopening the dormant Knockmore Line.
Daithí McKay @daithimckay.bsky.social 
michelelancione @michelelancione.bsky.social Prof of Geography (he/they) | Co-Direct Beyond Inhabitation Lab www.beyondinhabitation.org | For a Liberatory Politics of Home @DukePress | Editorial board @IJURResearch & EPD | Direct MSc Geography at UNITO | Doc http://ainceputploaia.com
Dave Majarich 🚲🐶 @davmaj.bsky.social Owned by the family dog, cold water dipper, cargobikeemoji, n+1 bikes,pizza maker, point guard, RNLI crew, still hoping for strictly tickets, Aussie in North East UK.
Bicicletas por la Vida @bicixlavida.bsky.social Grupo de vecinos q quieren mejorar la accesibilidad universal y la seguridad vial en Bariloche, Argentina y el mundo mundial. No somos "ciclistas" usamos bici como caminamos, andamos en colectivo o manejamos
Jamie💚Mochrie @jamiemochrie.bsky.social - Snr Project Manager-Infrastructure
- Volunteer advisor @ Sustrans & Wells LCN
- Green Party Transport Policy Group
Opinions my own
Saskatoon Cycles @saskatooncycles.org Saskatoon Cycles advocates for a Saskatoon where cycling is a viable, year-round mode of transportation that is safe, convenient, and comfortable for all ages, confidence levels and abilities.
saskatooncycles.org
Philly Bike Action! @bikeaction.org Safe, protected bike lanes for Philly.
Visit https://BikeAction.org to sign up for our newsletter and our Discord server.
Irish Cycling Campaign @irishcyclingcmpn.bsky.social Irish rep for European Cyclist Federation
Member of Irish Environmental
https://www.irishcyclingcampaign.ie/
International Cargo Bike Festival @cargobikefest.bsky.social /// 💡 ICBF: the original annual cargo bike event
/// 📅 12-13 Oct 2026
/// 📖 Carrier Magazine
/// ⚡️ Year-round inspiration and knowledge-sharing #DecadeoftheCargoBike
/// 📡 On Instagram, LinkedIn, Threads, Facebook and YouTube as @cargobikefest
London Cycles @londoncycles.bsky.social Celebrating the joy of cycling as an everyday form of transport in London, UK 🚲 🇬🇧 #LondonCycles
Kidical Mass Toronto @kidicalmassto.bsky.social Group rides for all ages and abilities, celebrating the joy of children on bikes and advocating for safer streets for all!