Tim Ellis (he/him), TDSB Candidate for Ward 2 @votetim.ca Experienced leader. Novice dad. Running to be a voice for families and a champion for safe, healthy, evidence-based education in TDSB Ward 2. Visit VoteTim.ca to learn more or request a sign.
ATMOPOLIS @atmopolis-project.eu Tackling air and noise pollution from a social perspective. European project 101238690 More at atmopolis-project.eu
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 x batteries maxxer.
https://how-sen.com/link
Gabe Blanc @gabeblanc.bsky.social Hey, Toronto!
Former candidate for Toronto City Council in Ward 11 University–Rosedale.
gabeforunirose.ca
Buitengebieden @buitengebieden.bsky.social You will know me.. I’m Sander from the Netherlands
Barney Panofsky's Best Intentions @mynamesnotgordy.bsky.social Someone on Twitter ordered the Merlot. So here I am.
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
George Bell @george.borkbork.ca Toronto, but been travelling a lot, road safety, bikes, scooters, movies and walking… borkbork.ca
Dianne Saxe @diannesaxe.bsky.social Toronto City Council, climate advocate, TTC Audit chair, Toronto Hydro Board, TRCA, TAF, Infrastructure and Environment Committee, was last Environmental Commissioner of Ontario
City of Toronto @toronto.ca Official account for the #CityOfTO sharing #TOnews. Not monitored 24/7. Contact 311 Toronto to create a service request. Terms of use http://toronto.ca/socialmedia.
Toronto Police Service @tps.ca Call 911 for emergencies. Non-Emergency: call 416-808-2222. Account not monitored 24/7.
Toronto Fire Services @torontofire.bsky.social TFS is an all-hazards, full-time municipal fire service. Account not monitored 24/7 - Call 911 in an emergency. Mastodon: https://mstdn.ca/@Toronto_Fire
Josh Matlow @joshmatlow.bsky.social Torontonian. Community Advocate.
Mayor Olivia Chow @mayoroliviachow.ca Mayor of Toronto 🇨🇦
Former City Councillor, Member of Parliament, and school trustee.
For assistance, email mayor_chow@toronto.ca.
Alejandra Bravo @alejandrabravo.bsky.social City Councillor for Ward 9 #DavenportTO • Chair of Economic & Community Development Committee • Rights, equity & economic power for people • Anti-fascist, siempre • Wu name: The Contendah.
@beckykatz.bsky.social @beckykatz.bsky.social City of Toronto, Maintenance and Delivery Director
Anthony Perruzza @perruzzato.bsky.social City of Toronto Councillor for Humber River Black Creek 🌳🚲
Website: anthonyperruzza.com
Kanchan @kayehm.bsky.social Urban Infrastructure Engineer.
326ppm
https://linktr.ee/kayehm
@cllrjamaalmyers.bsky.social @cllrjamaalmyers.bsky.social 
Chris Moise @chrismoiseto.bsky.social Proven Leadership That Works. 10 years elected experience & real results as City Councillor + Trustee. Running to continue delivering for all of us. www.chrismoise.vote
TTC Newsroom @ttcnewsroom.bsky.social This account is to share TTC news, information and statements for customers and media only.
Please direct comments/service inquiries to TTC Customer Service at www.ttc.ca/customer-service/contact-us
Real-time service updates available at www.ttc.ca
@cllrainslie.bsky.social @cllrainslie.bsky.social 
The Bentway @thebentway.bsky.social Toronto’s shared space, under the Gardiner
https://linkin.bio/ig-thebentway/
Toronto District School Board @tdsb.on.ca The Toronto District School Board is Canada's largest school board and welcomes more than 239K students each day. Account is not monitored 24/7.
@cllrambermorley.bsky.social @cllrambermorley.bsky.social 
Paula Fletcher @paulafletcherto.bsky.social Ward 14 City Councillor working for a safe, green and thriving #TorontoDanforth. Learn more at paulafletcher.ca.
Toronto City Planning and Development Review @planning.cityof.toronto.ca Bluesky home of the City of Toronto's City Planning and Development Review Divisions. Follow us for news on upcoming events, community meetings and urban issues. Terms of Use: http://toronto.ca/socialmedia
Lena @mslenakay.bsky.social Love cats, sunny reality tv shows, British TV shows, gardening, rom coms, fuzzy blankets, and the Oxford comma. 🇨🇦
Profile comes with a side of existential dread. Special interests at random intervals. 
Quiet Communities, Inc. @quietcommunities.bsky.social We protect public health, the environment, and people's quality of life from outdoor and indoor sources of environmental noise and pollution.
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Trevor A. Branch @trevorabranch.bsky.social Professor at Univ of Washington @uwsafs.bsky.social I run models and synthesize data, love R graphics, and do research on the status of marine fisheries, fishing quotas, and blue whales @bluewhalenews.bsky.social
Messy Urbanisms @messyurbanisms.bsky.social Images and articles relating to messy urbanism. Posts by @dylanreid
Guelph On Two Wheels @guelphontwowheels.bsky.social Safe, connected communities for all ages and abilities.
Find me on Mastodon ➡️ guelph.social/@GuelphOnTwoWheels (preferred)
Alt: Profile picture is a round crater in a paved road with white heath aster flowers growing out of it.
🚲 #BikeGuelph #Urbanism
Project Calgary @projectcalgary.bsky.social We work with community leaders to champion ideas that make Calgary better.
https://www.projectcalgary.org
John @mayortoronto.bsky.social Out and about Canadian in all 4 seasons.
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
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 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
Olúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social DC. political philosopher at Georgetown, editor at @hammerandhope.bsky.social, rhythm guitarist + vox for @femiandfoundation.bsky.social. #COYS
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
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
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
Robinson Meyer @robinsonmeyer.bsky.social I’m the founding executive editor of Heatmap News, a contributing Opinion writer for The New York Times, and the cohost of the Shift Key podcast.
📍NYC
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.
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 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
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/
Simon Evans @drsimevans.carbonbrief.org Press Gazette energy & environment journalist of the year 2022
Highly commended:
Society of Editors 2025
Shortlisted:
Press Awards 2025
Press Gazette 2025
AOP 2025
Deputy Ed + Snr Policy Ed, Carbon Brief
simon.evans@carbonbrief.org
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
Akshat Rathi @akshatrathi.bsky.social - Senior climate reporter, Bloomberg News
- Newsletter http://bit.ly/bbg-zero
- Podcast http://bloomberg.com/zero-podcast
- Book https://akshatrathi.com/book
- akshat.rathi@pm.me
Richard Waite @waiterich.bsky.social Director, Agriculture Initiatives, World Resources Institute. Working with colleagues around the world to create a sustainable food future. DC-based. Own views.
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
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
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Andrew Dessler @andrewdessler.com Prof of Atmospheric Sciences & climate scientist @ Texas A&M; AGU and AAAS Fellow; Native Texan; find out what I think at https://www.theclimatebrink.com/
Kelly Hereid @kellyhereid.bsky.social Climate scientist, geologist, and catastrophe modeler, Liberty Mutual. Posts on all things hurricane, wildfire, flood, earthquake, tornado. Sassy takes are mine not employer's.
📍Oakland, CA
Website: hereidk.strikingly.com
J. Mijin Cha @jmijin.bsky.social Assist prof, env studies; Fellow, Climate Jobs Institute and @cplusc.bsky.social; Board, Greenpeace Fund; just transition; labor/climate. 🍉 #COYS 🇰🇷🇺🇸
📚: https://mitpress.mit.edu/9780262550796/a-just-transition-for-all/
https://mijincha.com
Alissa Walker @awalkerinla.bsky.social I'm a writer and a walker in LA. Tracking the city's megaevent progress at Torched. LA Podcast co-host, new episodes drop every Monday. LAUSD mom. @awalkerinla everywhere else. Sign up for my newsletter at torched.la 🔥
Lissa Harris 🌈🗑️🔥⚔️🐀 @lissaharris.bsky.social COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
Madison Condon @madisoncondon.bsky.social climate risk, corporations, use & abuse of science & econ in the administrative state
papers: https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=1654671
sometimes I am here and sometimes I am not
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)
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Josh Busby @busbyj2.bsky.social Professor at the University of Texas-Austin. Former Senior Climate Advisor DOD. Climate security, climate governance, clean energy, global health, US foreign policy. Author of States and Nature: The Effects of Climate Change on Security (Cambridge, 2022).
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Yonah Freemark @yonahfreemark.com Transport / Housing / Land Use / Politics / @urbaninstitute.bsky.social / Le progrès ne vaut que s’il est partagé par tous / yonahfreemark.com / thetransportpolitic.com
Juan Moreno-Cruz @jmorenocruz.bsky.social Canada Research Chair in Energy Transitions
University of Waterloo.
https://morenocruz.org
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
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Dr. Dawn Wright @deepseadawn.bsky.social Seafloor mapper, Chief Scientist of smart mapping company Esri, Oregon State U. GIS/oceans professor, EC50, cyclist, 1st Black submersible diver to Challenger Deep, builds w/LEGO, raised in Hawaii. NAS, NAE, ORCID 0000-0002-2997-7611; She/her; views mine
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
Emily Grubert @gruberte.bsky.social civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
Sara Hastings-Simon 🇨🇦 @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.
Ramez Naam @ramez.bsky.social Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future. 
Dana R. Fisher (aka the Apocalyptic Optimist) @fisherdanar.bsky.social Director, Center for Environment Community, & Equity and Professor, AU | NonRes Sr Fellow, Brookings | IPCCWG3 AR6 | www.danarfisher.com | TED Talk on being an Apocalyptic Optimist : go.ted.com/danarfisher
isaac @sevier.io Posting about electricity and how we can care for one other. Building @publicgrids.org. SF. they.
Latest: “Why public power campaigns win"
https://www.isaacsevier.com/notes/public-power-san-francisco-new-york-shrestha-mamdani-organize/
Arkady Martine | Dr. AnnaLinden Weller @byzantienne.bsky.social speculative fiction (Teixcalaan series, ROSE/HOUSE), climate & energy policy (all statements my own), Byzantinist (nonpracticing but never not true).
unfortunately, I care about power lines now
she/her. halfway between Santa Fe and NYC.
Danny Cullenward @ghgpolicy.org Forensic climate economist and lawyer • The carbon accounting canary in your climate policy coal mine • https://ghgpolicy.org
Marshall Shepherd @drshepherd2013.bsky.social Weather-Climate professor and scientist, Host of Weather Geeks, Forbes Senior Contributor, Alpha, 3xFSU Alum...Tweets and RTs are mine but not endorsements
Jordan Carlson @jordantcarlson.bsky.social Canadian postdoc in Japan.
Energy, sustainability, unrelated ramblings.
Chelsea Harvey @chelseaeharvey.bsky.social Climate & extreme weather reporter | POLITICO | PEN Guild | Former (and forever) E&E News | NYC via NC SC AL WV
TIPS: charvey@politico.com | chelseaeharvey@protonmail.com |
Signal @chelseaeharvey.01
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Meg RW @hedgewitch.bsky.social Mommy
Community Organizer - Climate, Abolition, Housing, Unions in Southern Ontario.
Very sweary.
Plants!- G g.na @gina.bzky.team Offline until locked accounts and/or “remove follower” are user options.
Joseph D. Ortiz @earthsciinfo.bsky.social NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
Jeremy Wallace @jeremywallace.bsky.social China, climate, stats, and cities. Johns Hopkins SAIS, Good Authority. No Kings.
Rebecca Bratspies, Author @rbratspies.bsky.social Professor, Tulane Law | award-winning scholar, author, speaker
scuba diver | environmental justice, climate justice, human rights, NYC history, urban policy, comic books | mom | optimist (mostly) www.RebeccaBratspies.com
Steve Cicala @stevecicala.bsky.social Vontobel Foundation Professor of Sustainable Economics
University of Zurich
Tufts University (on leave)
https://www.stevecicala.com
http://goingelectric.substack.com
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.
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.
Allison Good @allisonwgood.bsky.social Platts senior energy finance reporter in the DC area covering power and renewables. Opinions mine.
🐈: Tipitina
Tips? Message me on Signal at allison.823
https://www.spglobal.com/marketintelligence
Paul Kelleher @paulkelleher.net Moral & political philosophy, climate econ, bioethics
Author of *The Social Cost of Carbon* (OUP 2025) | Posting in personal capacity
Likes: Boston Celtics ☘️, Maine (from whence I come), bouldering, ebikes, funding public ed.
paulkelleher.net
Hisham Zerriffi @hishamzerriffi.bsky.social Energy Resources, Development and Environment Lab (ERDELab) PI. Energy, equity, justice, climate change, bioenergy. But also TTRPGs and photography (https://pixelfed.social/i/web/profile/499807930552574625). he/him.
Marci Baranski @ecomarci.bsky.social 💡 Independent consultant. https://graphitestudio.co/
📖 Author of The Globalization of Wheat: A Critical History of the Green Revolution
🌿 Ex-UNEP, ex-USDA
📌 DC
Joe DeCarolis @jfdecarolis.bsky.social Focused on applying state-of-the-art data systems, models, and analysis to inform decision making on energy. Professor at NC State University; served as the 10th Administrator of the U.S. Energy Information Administration. Personal account.
Blake Shaffer 🇨🇦 @blakeshaffer.bsky.social Associate professor of economics at the University of Calgary. Former energy trader.
blakeshaffer.ca
Jonathan Magnolia Gilligan @jmgilligan.org Integrating social & natural sciences & modeling to study climate change & society | Behavioral approaches to climate policy | Nashville TN | They/them 🏳️🌈 🏳️⚧️ genderqueer | Jew | Friends call me Maggie | My words aren't my employer's | magnoliagilligan.org
Alli DeJong @allidejong.bsky.social climate, adaptation, decision analysis, flood risk, insurance, resilience, BCAs. planning & policy jack of all trades at the Water Institute. (personal account)
also sports, birds, हिंदी, cities, etc.
chicago via new orleans via chicago
Patricia Levi @patricia-levi.bsky.social Strategy & Market Development @ Form Energy | Stanford PhD | MIT Energy Initiative | Macro-energy systems founder
Total nerd about: big batteries, grid decarbonization, electricity markets, bikes, mountains, plants, ceramics
Views mine
holly jean buck @hollyjeanbuck.bsky.social energy & climate policy, writer, analyst
Dr. Katharine Dickson @metaomicsnerd.bsky.social Microbiome science by training; climate policy by calling.
Professional anti-methanogen crusader.
I 分かる some 日本語.
Opinions my own. She/her. 🇺🇸. ☸️ (Jōdo Shinshū).
Owner of @cowburpsbot.bsky.social
Portfolio: https://tinyurl.com/katharinedickson