Prof Bill McGuire @profbillmcguire.bsky.social Volcanologist, climate scientist, writer, broadcaster, activist, socialist, best-selling author of HOTHOUSE EARTH: AN INHABITANT'S GUIDE. Born @ 313
Home town, Llanelli (South Wales) - lives in the wonderful Peak District
Website: billmcguire.co.uk
Nobel Prize @nobelprize.org The official Bluesky account of the Nobel Prize.
Celebrating the work and discoveries that have had the greatest benefit to humankind.
Adam Radwanski @aradwanski.bsky.social Toronto Star business columnist
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
@beegee444.bsky.social @beegee444.bsky.social 
Adam Scott @adamscott.bsky.social Climate/energy expertise. Executive Director of Shift. Dad. Canadian. Electrified. Tkaronto/Mnidoo Gamii 340ppm.
Jeff Tiedrich @jefftiedrich.bsky.social ugh, who invited this guy 
Occasional Transpo @occtranspo.bsky.social Ottawa 🇨🇦 • LRT status updates and municipal commentary and advocacy. https://OccasionalTransport.ca
It takes a village to push a train.
OC Transpo is Occasional Transportation.
DuckDuckGo @duckduckgo.com Independent online privacy company with browser, search engine, and optional AI.
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Massimo (mirror) @rainmaker1973-m.bsky.social Mirror of https://nitter.net/Rainmaker1973
Engineer. Selecting and curating pictures and videos trying to awaken your sense of wonder. Science, tech, art, weather, space, the unusual around us.
If you own the original, DM
linktr.ee/Rainmaker1973
Alison 🇨🇦 @n8rnerd.bsky.social Consulting Ecologist with a focus on Species at Risk and Impact Assessment/Mitigation, working with bioacoustics and camera trapping. Enjoy iNaturalist, baking, board games, hockey, & reading. Parront 🦜
😷 Based in #HamOnt. She/her.
Olga Nesterova @onestpress.onestnetwork.com Founder of ONEST | Global Affairs Analyst
Fact-first reporting on diplomacy, geopolitics & global affairs.
Read: onestnetwork.com
Videos: youtube.com/@onestnetwork
Support my work: https://buy.stripe.com/7sY3cw7QS8Wy4kM04Le3e01?ref=onestnetwork.com
Avi Lewis @avilewis.ca Leader of Canada’s NDP / Le chef du NPD fédéral
https://linktr.ee/avi.lewis
Dr. Todd Arrington @btarrington.bsky.social Nonprofit executive director. Views are mine alone. Historian. Writer. Army veteran. Adjunct history instructor. Author of “The Last Lincoln Republican” (UniversityPress of Kansas, 2020). #ParkChat Hall of Famer. Pittsburgh sports fan.
City of Ottawa @en.ottawa.ca Official account of the City of Ottawa.
Not monitored 24/7. Currently testing this new channel. Posting Monday to Friday, occasionally on weekends.
Stay updated with the latest info.
Français: @fr.ottawa.ca
Service-related requests: ottawa.ca or call 311
North Box Systems @northboxsystems.bsky.social Made-in-Canada PC-fan based air purifier kits:
https://www.northboxsystems.ca
Ontario Nature @ontarionature.bsky.social We are there when nature needs us the most.
Ontario Nature has been protecting wild species and wild spaces through conservation, education and public engagement since 1931.
🌐: https://ontarionature.org/
By Cory Doctorow (GPG 0xBF3D9110957E5F4C) @doctorow.pluralistic.net I post long threads. Writer (sf novels, etc); blogger (pluralistic.net); activist (eff.org). Latest book: "The Reverse Centaur's Guide to Life After AI" Buy my books (DRM-free!) at craphound.com/shop.
Letterman @letterman.bsky.social Proprietor of Pants
www.youtube.com/letterman
Listifications @listifications.app Follow me to receive notifications via DM whenever you're added to a starter pack, block list, feed or when someone blocks your account.
Follow @unsub.blocks.listifications.app to opt out of direct block notifications.
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
🇨🇦 @timeofnick.bsky.social A Canadian introvert who prefers books, good food and politics over small talk.🇨🇦. Opinions are my own.
David Ho @davidho.bsky.social Climate scientist; ocean carbon cycle and climate solutions. Professor @soest.hawaii.edu, University of Hawaiʻi at Mānoa; Visiting Faculty, Arizona State University. https://linktr.ee/david_ho
James Andrew Smith @drsmith.bsky.social Engineering professor at York University
Cheryl White @ladyscorcher.bsky.social big fan of public libraries and clean air. engineer, jogger & cyclist. cancer survivor and patient partner. co-founder cavi.
Lucy van Oldenbarneveld @lucyvanolden.bsky.social Principal at Lucy van Oldenbarneveld Communications/ Former Host CBC Ottawa News at 6:00/Moderator/MC/Media Trainer/Stratgist
John Neary @jddneary.bsky.social physician, antimotorist. he/him. speaks for self. Ibbi-Ilabrat saw it.
Shawn Micallef @shawnmicallef.bsky.social Local tosser
Books author (New: Stroll!)
Toronto Star column writer
Spacing Magazine co-founder
U of T instructor
Trying to do it a bit different here than the last place.
Links to books, etc:
https://linktr.ee/shawnmicallef
🏳️🌈🏳️⚧️🤘🏼
Mark Ungrin @mark-ungrin.bsky.social Parent. Interdisciplinary biomedical researcher. Hardline scientist, Professor, PhD. New platforms and real-world impact, emphasis on scientific rigour, reproducibility, integrity and efficiency. Diverse interests.
JChianello @jchianello.bsky.social I'm running to be the next Ottawa city councillor for the fabulous ward of Kitchissippi in the Oct. 26, 2026 municipal election!
Jonathan Douglas PhD CPsych @jonathanconp.bsky.social Psychologist. Partner, Central Ontario Psychology, Barrie ON. Advisor, Badge of Life Canada. Host, ON Psych: Podcast of ON Psych'l Ass’n. Avoids COVID to protect others. Author w/ Nat Harris, Growth After Trauma https://a.co/d/0aq8DWan
Loving Retirement 🇨🇦 @lovinretirement.bsky.social Native of Northern Ontario, Canada. Currently living the retirement dream in central Ontario with my wife. Spent my working life in Toronto. Fan of classic rock, live music, sports, science fiction, Pokémon Go, and technology. Chat has been disabled.
SeaChoice @seachoice.bsky.social SeaChoice is leading the sea change for seafood sustainability in Canada.
Susan Delacourt @susandelacourt.bsky.social National columnist for the Toronto Star, teller of stories (and grateful listener to them) lover of dachshunds. 
Ed Tubb @edtubb.bsky.social Editor at the Toronto Star, with a focus on courts, justice and occasional greyhound content.
Journalism is a discipline of verification.
he/him | etubb at thestar dot ca
André Picard @picardonhealth @picardonhealth.bsky.social André Picard is the health columnist at The Globe and Mail and the author of six bestselling books. I share stories and opinion pieces from a broad range of publications. Shares are not endorsements. 
Bruce Anderson @spocksky.bsky.social Polling, advertising, punditry, Good Talk podcast
Stephen Maher @stephenmaher.bsky.social Journalist, novelist. Nova Scotian. 
Margaret Atwood @margaretatwood.bsky.social Writer of this and that... www.margaretatwood.ca
and margaretatwood.substack.com;I also have an Instagram account, though I don't know how to use it much, beyond posting pictures...
Michael Geist @mgeist.bsky.social Law Professor, Canada Research Chair in Internet and E-commerce Law, University of Ottawa
www.michaelgeist.ca
Law Bytes Podcast: https://open.spotify.com/show/5iDUCcDrkzGai0OdTgoucv
http://mgeist.substack.com
Eric Idle @ericidle.bsky.social Check out the amazing handcrafed gifts made by my daughter at www.idlehandmade.com
You know you want a Holy Grail bag, or that guitar bag, owned only by me and Micky Dolenz. Updates coming shortly...
CBC Pitchbot @cbcpitchbot.bsky.social Status-quo propaganda for the average upper-middle class white Canadian. Satirical. Parody account. Not the CBC.
they
James Gleick @around.com Author. Chaos, The Information, Time Travel.
Other work can be found at https://around.com.
My new history of the telephone will appear in November.
On the open social web I'm gleick@mas.to.
Peter Brown @pgbrown2.bsky.social Meteor astronomer and planetary scientist.
Sarah Polley @sarahpolley.bsky.social I make movies and write books and stuff- S spencerpress.bsky.social @spencerpress.bsky.social Senior ed, features & investigations, Postmedia. Ex-opinion ed, Ottawa Citizen. Ex-EIC Kingston Whig-Standard, NNA winner, NPSIA grad. Proud editor of husband's novels: Norman's Conquest and A Life of Bliss. At Ottawa bookstores or through Amazon!
Ricky Gervais @mrrickygervais.bsky.social Comedy God
Al Franken @alfranken.bsky.social Husband, Dad, Granddad, Democrat, Minnesotan, Author, Human Cannonball, Comedian, Head of Midwest Values PAC, AlFranken.com
The Late Show with Stephen Colbert @colbertlateshow.bsky.social Catch The Late Show with Stephen Colbert weeknights at 11:35pm ET on CBS and Paramount+ 📺 #Colbert linktr.ee/colbertlateshow
James Keelaghan @jimmykeelo.bsky.social I’m a Juno and CFMA award winning Canadian Singer Songwriter, with a passion for history and travel. My web presence is www.keelaghan.com
Chris Hadfield @cmdr-hadfield.bsky.social Astronaut, back on Earth after 3 spaceflights. For events & media, please write to info@chrishadfield.ca. Order books at http://chrishadfield.ca/books
YOW Weather Records @yow-weather.bsky.social 
Dee @winthrop317.bsky.social Trying to live a greener life. Grateful to everyone who takes the time to share their experiences and knowledge. Wear headband Laianzhi KN95's and 3M Auras.
Northern Ontario, Canada
Elizabeth May @elizabethemay.bsky.social
@canadiangreens.bsky.social MP-Saanich-Gulf Islands, Activist, Author, Mother & Grandmother. Leader of the Green Party of Canada. (she, her)
Jim Stanford @jimbostanford.bsky.social Economist and Director of the Centre for Future Work in Vancouver, Canada (https://centreforfuturework.ca/). He/him. Harold Innis Industry Professor, Economics Dept., McMaster University, and Honorary Prof. of Political-Economy, University of Sydney
Canadian History Ehx @cdnhistoryehx.bsky.social Host of the podcast\radio show Canadian History Ehx. Author of "Canada's Main Street: The Epic Story of The Trans-Canada Highway" Sharing Canada's history daily!
Kimberly W. Heiman @kimberlywheiman.bsky.social No DMs. Biologist studies Human-Environment Interactions and Marine Science, Professor, Creative Writer, Essayist, working on a Memoir and Science Fiction series, Mother, Gardener, Traveler, Cat Woman, Loves Horseshoe Crabs (and you should too)
Sarah Kendzior @sarahkendzior.bsky.social Bestselling author of THEY KNEW, HIDING IN PLAIN SIGHT, THE VIEW FROM FLYOVER COUNTRY and THE LAST AMERICAN ROAD TRIP.
https://sarahkendzior.substack.com/
@dontvotesplit.bsky.social @dontvotesplit.bsky.social Canadian. Dislike misinfo/disinfo & propaganda fr all political stripes. Concerned about our kids' futures & the rise of fascism. Can be uncivil. Distractions incl archaeology, history, non-fiction & nature/photography.
Maria Van Kerkhove @mvankerkhove.bsky.social WHO Director ai of Epidemic and Pandemic Threat Management, infectious disease epidemiologist, believer in science and tough questions, mom of 2, opinions my own. WHO.int
Amir Attaran @amirattaran.bsky.social Professor. Litigator. Scientist. Bicyclist. Husband. Father. Son. Wrecks grifters, creeps, anti-vaxxers & scientific illiterates. Personal account (not @uOttawa, not legal advice).
Jennifer Keesmaat @jenniferkeesmaat.bsky.social 
Adam Hunt 🇨🇦 @gander22h.bsky.social XC skier, sailor, cyclist, Linux reviewer for Full Circle Magazine
Ottawa, Ontario, Canada
I don't follow back: people who don't post anything at all, or anything interesting; people here to sell stuff; people who only repost & scammers.
PM is turned off
It's Jamie @sjamieit.bsky.social Ottawa municipal issues, data analysis, transportation, urbanism, history, bike videos, candidate for city councillor! 🚲👶🌳
Ottawa, Ontario
Jim Bryson @jimbryson.bsky.social Sings the songs that make the whole world sing.
Record maker for others who make the whole world sing. Come and make songs.
Currently interested in nordic wool socks, upright bass and surviving in this world.
Lives on stolen land up here in Canada
Space Goat Coast to Coast 🇨🇦 🏳️🌈 🏳️⚧️ @spacegoatc2c.bsky.social A partially-sentient bio-matter construct in which awareness of interconnectedness & illusion of separation vie for control.
🄿🅁🄰🄶🄼🄰🅃🄸🄲
🅂🄾🄲🄸🄰🄻🄸🅂🅃
All out of bubblegum.
Sustained by absurdism.
AuDHD+Spoonie+Enby Φ⚖∞⚛⛧☮
🇨🇦🇪🇺🇺🇦🇵🇸
👉 Follow-back requires alt text.
Pierre Polyester @canadian-critic.bsky.social Part Owner of Canada - Never vote Conservative.
I am a very different Liberal. I am ready to fight back as opposed to a typical strongly worded letter that has no effect.
An eye for an eye.
Discourteous arrogant people get banned immediately. No DM's.
Raffi_RC @raffic.bsky.social 🇨🇦 troubadour. children's champion. ecology. Raffi Foundation for Child Honouring. beluga grads. 
Kara Fagan 🇨🇦 Liberal @fagankara.bsky.social I speak 5 languages and I will speak 5 more. Canadian. Politics. Animals. Books. Fashion. Thrifting. Canada will never be part of the US. I am one of millions of owners of my country. From reliance to resilience. From anxiety to agency. Just Watch Me 🇨🇦🇨🇦🇨🇦
Andrew 🇨🇦🏳️🌈🏳️⚧️ @andrewbarss.bsky.social Nova Scotian now living in Ontario.
Database application developer; installer & voicer of digital church organs; organist; amateur radio enthusiast (VA3BHO; formerly VE1BHO)
Profile: Head-shot of me
DMs okay, except randoms may be blocked
David Harvey @geoblues.bsky.social Tragically Retired
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social Texas Medical Center (TMC) Pediatrics Professor-Vaccine Scientist-Author; Member, Philosophical Society of Texas, Texas Academy of Medicine Engineering Science Technology, National Academy of Medicine, American Academy of Arts and Sciences
Justin Wolfers @justinwolfers.bsky.social Econ professor at Michigan ● Senior fellow, Brookings ● Intro econ textbook author ● Chief economist & Deputy platypus https://newsletter.platypuseconomics.com ● Find me: https://linktr.ee/justinwolfers
Linda McQuaig @lindamcquaig.bsky.social Author, journalist, supporter of the oppressed (& animals on factory farms), detractor of corporate shills posing as "populists."
Latest book: (with Neil Brooks) Cancelling Billionaires Before They Cancel Us: The Urgent Case for a Wealth Tax
#9 Dream @gayfabfourfan.bsky.social Married gay man & Beatles/music nerd sharing science and takes on everyone’s all-time favorite topic: the ongoing but forgotten pandemic. Also some humor as we slouch towards our Soylent Green era. #COVIDIsAirborne #COVIDIsVascular
Ron Sexsmith @ronsexsmith.bsky.social Canadian singer/songwriter. 3 time Juno winner
Former kid detective. Idiot savant without the savant part. Dad. Lawn mower
John Roscoe @johnroscoe.bsky.social "It's not easy having a good time...
even smiling makes my face ache."
I take photographs and crack jokes; a meditative creative. I used to be @JohnCRoscoe on Twitter; I'm John Roscoe all over the place.
@markcritch.bsky.social @markcritch.bsky.social Best selling author, comedian. 22 Minutes on CBC and Son of A Critch on CBC and Netflix USA
Nate Erskine-Smith @beynate.bsky.social Running to be Councillor for Ward 19, Beaches-East York. Host of Uncommons Podcast.
Rick Steves @ricksteves.bsky.social Guidebook author, TV & radio host, business owner, Lutheran, and NORML Board Member. Fanatically positive and militantly optimistic.
Kevin Mulhall @kevinmulhall.bsky.social Writer | Artist | Retiree from a semiconductor company |
Tech-Economics-Policy-Culture-Cartooning |
No Crypto or Folks selling stuff | No DMs unless I've invited you to it.
Michigan, ex-pat CDN
Hydro Ottawa @hydroottawa.bsky.social Power out? Report online, text OUT to PWROUT (797688), use our app or 📲 613-738-0188. Active daily 8a.m.-4p.m. & major outages. Service en français.- M M Gessen @mashagessen.bsky.social Columnist at The New York Times. Distinguished Professor at Craig Newmark Graduate School of Journalism, City University of NY. Author at Riverhead Books
Michael Olesen @molesen.bsky.social Epidemiologist with expertise in pandemics, healthcare infection prevention, and emergency management.
See my COVID data viz at https://icemsg.org/
Twitter: @maolesen
Threads: michael_a_olesen
Kate Heartfield @kateheartfield.com I write novels, games and stories. Coming in 2026: MERCUTIO and THE SWORDMASTER. Writer at CHEO Foundation (my views are my own). Former journalist. From Manitoba, now in Ottawa. She/her. Trans rights are human rights 🏳️🌈
https://kateheartfield.com
Dave Vetter @davidrvetter.bsky.social Climate and sustainability writing and communications; duck monitor.
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Gregg Gonsalves @gregggonsalves.bsky.social Epidemiologist. AIDS Activist. Dog lover. New Haven.
Resistance Canada🍁 @resistance-canada.bsky.social When push comes to shove, we know exactly who we are. From Vancouver, BC #ResistanceCanada #Canada #CDNpoli
Bob Rae @bobbyrae48.bsky.social Canadian citizen activist, university teacher, writer, husband, father, grandfather
Tyson Graber @rnaguru.bsky.social Cell biologist. Interested in identifying & decoding the public health information stored in 💩. Posting Ottawa WAVE 🌊 (wastewater analytics for viral epidemiology)
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
Taylor Lorenz @taylorlorenz.bsky.social Subscribe to my tech and online culture newsletter UserMag.co
Listen/watch Power User podcast on all platforms!!
Support my work on Patreon: https://www.patreon.com/cw/taylorlorenz
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.
Jessica Wildfire @jessicawildfire.bsky.social Your local Cassandra
https://www.the-sentinel-intelligence.net/
Chantal Hébert @chebert18.bsky.social Journaliste politique/CBC At Issue/Les Coulisses du pouvoir et C est bien meilleur le matin-SRC/Good Talk-Sirius XM & YouTube
Dr. Jen Gunter @drjengunter.bsky.social Doctor, writer, Canadian Spice, lasso of truth, I speak for no one but me. 2X NYT bestsellers. More thoughts at TheVajenda.com
Taylor Noakes @taylornoakes.com Independent journalist
Public historian
Born to raise hell
taylornoakes.com
canaduh.substack.com
Send tips securely to taylornoakes@protonmail.com
Arrête Mark Carney ⚜️ @lalegault.bsky.social Pour haïr un autre
D’abord, tu dois en faire un Autre
Elle/She/Her
≠Legal advice
Liberté, égalité, fraternité
(And that includes you.)
🇨🇦 ⚖️ 🌹⚜️🍉 🇺🇦 🇬🇱 🇨🇺 😷 💉 📚 🏳️⚧️/🏳️🌈 #cdnpoli
No unsolicited DMs, please ask.