Jim Handman.bsky.social @sciencejim.bsky.social Executive Director, Science Media Centre of Canada.
Former Exec Producer, CBC Quirks & Quarks, Ryerson University (now TMU) journalism instructor. Award-winning science journalist and SciComm trainer. http://sciencemediacentre.ca/
Patchen Barss @patchenbarss.bsky.social Journalist and author. Science, mathematics. "Smarter Than Us" coming March 2027 “The Impossible Man: Roger Penrose and the Cost of Genius” available now: https://shorturl.at/ixUY9
Niki Wilson @nikiwilson.bsky.social Journalist: Health, Nature and Environment.
Host & Science Advisor #JasperDarkSky Festival.
🇨🇦 🇺🇦🌎
Jean-François Cliche @clicjf.bsky.social Journaliste scientifique, Le Soleil
Lesley Evans Ogden @ljevanso.bsky.social Freelance science journalist, nature nerd, circuitous career driven by curiosity and wonder. Also kindness. Mum, partner, ally. WFSJ Board Member. She/her. 🕸️ lesleyevansogden.com
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. 
Helen Branswell 🇨🇦 @helenbranswell.bsky.social I cover infectious diseases for STAT (www.statnews.com). 2020 Polk winner. Nieman '11. She/her. I write about H5N1 (in all species), Covid, polio, flu, Ebola, RSV, mpox, STIs. Send me news tips on Signal: HBranswell.01
Alanna Mitchell @alannamitchell.bsky.social Journalist, author, playwright. A lotta science. Some physics.
Dan Falk @danfalk.bsky.social Hi! I write about #science for Smithsonian, Discover, Quanta, Nautilus, Undark, National Geographic, CBC Radio, & many other outlets. Books include The Science of Shakespeare and In Search of Time. Co-host of BookLab podcast. 🔭🪐⭐️⚛️
Nicole Mortillaro @nebulousnikki.bsky.social Senior science reporter at the Canadian Broadcasting Corporation (CBC News)/Editor for the Journal of the Royal Astronomical Society of Canada/amateur astronomer. Deeply concerned about climate change.
Hannah Hoag @hannahhoag.bsky.social Sr. Producer for Health, Science & Climate Unit at CBC News. Past: The Conversation Canada, Arctic Deeply, 2022-23 William Southam Journalism Fellow at Massey College. Freelance ✍ in Nature, bioGraphic, Hakai, Globe & Mail, etc. http://www.hannahhoag.net
Mike Crawley - CBC News @cbcqueenspark.bsky.social Senior reporter @CBCNews covering Ontario politics on TV, radio & web. Dad, runner, XC skier, reader, cookie baker. #GoHabsGo Tips: DM or email mike.crawley@cbc.ca
Serena Renner @serenarenner.com Journalist and editor with an eye on climate, nature, culture, and Indigenous sovereignty. Associate Editor @earthislandjournal.bsky.social. Opinions are my own.
Stefan Labbé @stefanlabbe.bsky.social Journalist covering investigations on environment and climate mostly in Western Canada. inglés/español >> Send tips via Signal at SLabbe.93
Marine Corniou @marinecorniou.bsky.social Rédac chef magazine Québec Science, journaliste scientifique / Editor-in-Chief Quebec Science magazine - Montreal
Anne Shibata Casselman @annecasselman.bsky.social Vancouver-based journalist: Public interest, climate, and science.
www.annecasselman.com
Amanda Buckiewicz @amandabux.bsky.social Science journalist at CBC's Quirks & Quarks and urban ecology enthusiast. If you need me I'll be in the garden.
Sarah Cox @sarahkcox.bsky.social Environmental journalist & author of "Signs of Life: Field Notes from the Frontlines of Extinction" and "Breaching the Peace: The Site C Dam and a Valley’s Stand Against Big Hydro." Biodiversity reporter for The Tyee.
Emma McIntosh @emmamci.bsky.social Investigations @thestar.com. Formerly @thenarwhal.ca. Fan of FOI and lake swims. Hosted Paydirt, a podcast miniseries about the Greenbelt scandal. Signal: emmamci.76
Inayat Singh @inayatsingh.com Climate reporter at CBC News, 🇨🇦’s public broadcaster | 2023-24 Knight Fellow at MIT | He/him | 📍Toronto
Elizabeth Payne @egpayne.bsky.social 
Molly Segal @mollyaudio.bsky.social Journalist covering climate change for CBC Radio’s What On Earth
MIT Knight Science Journalism Fellow 2019-2020
Vancouver, B.C.
https://www.cbc.ca/radio/whatonearth/author/molly-segal-1.6518000
Jimmy Thomson @jameswsthomson.com Environment and climate journalist | Editor in Chief at @nationalobserver.com | Work in The Globe and Mail, The Narwhal, The Guardian | www.jameswsthomson.com
Leyland Cecco @leylandcecco.bsky.social Canada reporter for @guardian 
Caroline Alphonso @calphonso.bsky.social Health Editor for The Globe and Mail
Jude Isabella @judeisabella.bsky.social Executive editor, bioGraphic.com. Founding editor of hakaimagazine.com (archived!) Focused on the coast, the ocean, ecology, archaeology, urban wildlife. Author of "Salmon, A Scientific Memoir," and "Bringing Back the Wolves." 🇨🇦
Colin Schultz @colinschultz.bsky.social Aspiring gadfly.
Science journalist | Editor | Storytelling specialist
contact me @ clnschltz@proton.me
Brian Owens @scibri.com Science journalist and leatherworker.
Reporter for @chco-tv.bsky.social
Author of Lyme Disease in Canada
New Brunswick 🇨🇦
www.scibri.com
Alain Labelle @rocketmanquebec.bsky.social Homo sapiens vivant au Québec. Journaliste spécialisé en science et santé à Radio-Canada, le diffuseur public canadien. Science and health reporter for the French network of the Canadian Broadcasting Corporation (CBC), Canada's public broadcaster.
Tom Lundy @tomlundy.bsky.social Montreal-based science/environmental journalist
Associate Editor @ Canadian Geographic @cangeo.bsky.social
Pitch me!
Current rabbithole: the Arctic's ecosystems, conservation, development, and future.
Jaela Bernstien @jaelabernstien.bsky.social 🌳 Nature lover
☕️ Morning person
🌎 I work on climate policy communications @climateinstitute.bsky.social
🎤 Formerly with CBC news
www.jaelabernstien.com
📍Les laurentides, Quebec
Stephen Leahy @stephenleahy.bsky.social Author & Enviro Jurno +25 years | SEAL Award for Enviro Journalism; UN Global Prize for Climate Reporting, etc
3000+ articles @ The Guardian; Nat Geo; Vice; New Scientist; IPS; etc
Substack: https://leahy.substack.com
https://authory.com/StephenLeahy
🇨🇦 Peter 🌏 Fairley 🇺🇸 @peter.fairley.ca Fan of power grids, democracy & bike lanes. Journalist covering energy+climate for too long. Bylines: NYT TheTyee Sierra TheAtlantic IEEESpectrum ... Awards: SEJ, Covering Climate Now, SPJ ... Portfolio: http://fairley.ca
Renee Pellerin @reneepellerin.bsky.social Canadian health journalist, author of Conspiracy of Hope, the Truth about Breast Cancer Screening, Goose Lane Editions. 
Julia Belluz @juliabelluz.bsky.social Health journalist, contributing opinion writer @nytimes Formerly @voxdotcom, @MIT Knight Fellow etc. Book: https://tinyurl.com/yx2kmsp4
Ivan Semeniuk @ivansemeniuk.bsky.social Journalist covering the universe and its inhabitants.
Science reporter for Canada's national newspaper The Globe and Mail.
Piano player with an inordinate fondness for E♭.
Veronique Morin @veroniquemorin.bsky.social Journaliste scientifique, gestionnaire et productrice de contenu numérique | Science journalist, editorial content manager and producer. 
Annie Labrecque @ninilab.bsky.social Journaliste scientifique passionnée🔬 | Retrouvez mes articles dans Québec Science, Le Médecin du Québec et PLAN.
Christina Frangou @cfrangou.bsky.social Journalist, writer, teacher. Likes bikes and books. www.christinafrangou.com
Karen Pinchin @karenpinchin.bsky.social Investigative food systems journalist, teacher & author of Kings of Their Own Ocean (July 2023)
Michelle Gamage @michellegamage.bsky.social Reporter for The Tyee covering health and biodiversity. I write about local research, sex, salmon, toxic drugs, bats, what your grandmother is up to, and all the different ways you can (but haven't yet) become dead in B.C.
Lauren Pelley @laurenpelley.bsky.social Senior Health & Medical Reporter at CBC News. Currently on maternity leave.
📍Toronto
✉️ lauren.pelley@cbc.ca
💻 https://www.cbc.ca/news/health/author/lauren-pelley-1.4061052
Etienne Leblanc @leblancetienne.bsky.social Papa. Journaliste spécialisé en climat et environnement à Radio-Canada/CBC.
ESJ Lille
📝 https://linktr.ee/etienne.leblanc
➡️ https://ici.radio-canada.ca/profil/21833/etienne-leblanc?
Dominique Forget @domforget.bsky.social B. ing. Journaliste scientifique, émission Découverte, Radio-Canada
Sara Hashemi @sarahashemi.bsky.social science writer + fact-checker | words in The Guardian, Sentient, Sierra, Smithsonian, and more | SHERP 42 | 📍mtl/nyc
Zoë Yunker @zoeyunker.bsky.social Journalist covering B.C. environment and resource politics.
@jbmackinnon.bsky.social @jbmackinnon.bsky.social 
Nicola Jones @nicolakimjones.bsky.social Science journalist, writer, reader, once-a-climber-always-a-climber, mom.
Ainslie Cruickshank @ainsliecruickshank.bsky.social Freelance journalist covering environment issues
Gaëlle Lussiaà-Berdou @gaellelb.bsky.social Journaliste scientifique à Radio-Canada/Science reporter with Canada's public broadcaster
Gabrielle Anctil @gabrielleanctil.com Journaliste & autrice & fan de 🚲
Elle / she 🏳️🌈
MDR = https://ici.radio-canada.ca/ohdio/premiere/emissions/6056/moteur-de-recherche
@katrinedesautels.bsky.social @katrinedesautels.bsky.social Journaliste à la santé pour La Presse Canadienne | 📍Montréal | katrine.desautels@lapressecanadienne.com
Jenn Thornhill Verma @jennthornhillverma.bsky.social 🌊 Journalist, 2026 & 2024-25 Pulitzer Ocean Reporting Network fellow @theglobeandmail.com | @RCGS_SGRC Fellow | @ExplorersClub 🇨🇦 FI’23 | @ukings Board
Aaron Derfel @aaronderfel.bsky.social I'm an investigative journalist at the Montreal Gazette. You can also find me on Mastodon at mas.to/@aderfel and Telegram at t.me/AaronDerfel.
My bio: https://www.concordia.ca/faculty/aaron-derfel.html
Ebbwater @ebbwater.bsky.social Your partner for a sustainable and holistic-minded approach to disaster planning and climate adaptation.
Working from the unceded Territories of Musqueam, Squamish, and Tsleil-Waututh peoples (Vancouver, Canada).
Trevor Murdock @tqmurdock.bsky.social Climate scientist since 350 ppm. Helping folks get useful data to adapt to changing climate & rethink everything. Fan of games, parent ed, inclusion, evidence & spicy veg*n cooking. Uninvited guest on Coast Salish land aka Victoria. Opinions: my own. 🏳️🌈🍁
Erica Gies / SlowWater.world @ericagies.bsky.social Author of "Water Always Wins," National Geographic Explorer awardee, TEDx speaker, independent journalist for Scientific American, Nature, NYT, the Atlantic, bioGraphic, and others. Fan of critters, plants, democracy, kindness.
Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social I make ice cream and do science and suck at fly fishing. YYC
glaciers - geohazards - climate - geomorphology - geomatics - gelato
He/him
Fellow, @rcgssgrc.bsky.social
ICLRCanada @iclrcanada.bsky.social The Toronto-based Institute for Catastrophic Loss Reduction (ICLR) is a world-class centre for multi-disciplinary disaster prevention research and communication. ICLR has been designated as an IRDR International Centre of Excellence. See www.iclr.org
Alan - Flood Forecaster at the Thames Barrier @alanbarrierea.bsky.social I work for the Environment Agency at the #ThamesBarrier in the Forecasting and Response team.
Natural Hazards Center @hazcenter.bsky.social Translating and sharing hazards and disaster research with practitioners, policy makers, academics, and everyone else!
https://hazards.colorado.edu/
Mary Long-Dhonau OBE @floodmary.bsky.social Passionate Property Flood Resilience (#PFR) advocate.
I've been flooded & survived.
Promoter of preparing for flooding. Recoverable repair & #BuildBackBetter.
FloodMary.com
Tamsin Lyle @tamsinlyle.bsky.social Plangineer, business-owner, and mum. Working to mitigate climate and natural risks.
Jason Thistlethwaite @jasonthistle.bsky.social Climate risks and opportunities
University of Waterloo
Niklas Jordan @niklasjordan.com Geologist, working on safer communities.
🔥 #ClimateRisks, #NaturalHazards & #DRR
🌊 #FloodRisk Management
🛰️ #EarthObservation & #GIS
⚠️ #RiskComm
🚨 Volunteer in Danish Emergency Service ( #GreySky )
Also in 🏀, ⛵️, 🏃 and 👨🌾. 🇩🇪 in 🇩🇰.
👉 niklasjordan.com
Max Fortin @maxwater.bsky.social Water & flood nerd
Runner
Dad
(in no particular order!)
Prof. Sonia I Seneviratne @soniaseneviratne.bsky.social Professor at ETH Zurich, IPCC WGI Vice-chair.
#Climate #Extremes #Land.
Citizen/mum/scientist. Personal account.
https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Chapter11.pdf
Twitter/X: @SISeneviratne
https://www.iac.ethz.ch/people/sonia
Sarah Perkins-Kirkpatrick @sarahinscience.bsky.social Professor, Climate Science | heatwaves | ANU Fenner School | Deputy Director Engagement & Impact, @21centuryweather | convening lead author @IPCC AR7 | co-host totally cooked podcast | @AMOS president | Climate Comms | Mother | Runner | #ADHD
Prof Friederike Otto @frediotto.bsky.social 🇬🇧 🇪🇺 physicist, philosopher, lead https://www.worldweatherattribution.org/, author of Climate InJustice https://greystonebooks.com/collections/current-affairs-politics/products/climate-injustice, she/her
Christophe Cassou @cassouman40.bsky.social Physicien climatologue, Directeur de Recherche du CNRS au LMD/ENS/IPSL
Auteur principal du 6e et 7e rapport du #GIEC @IPCC_CH, Groupe 1: "Les bases physiques du Climat"
Co-fondateur des Trains du Climat
Climate Scientist @CNRS, IPCC AR6 and AR7 lead author
Peter Stott @stottpeter.bsky.social Climate Scientist at Met Office and University of Exeter. Author of Hot Air: The Inside Story of the Battle Against Climate Change Denial
Hayley Fowler @hayleyjfowler.bsky.social Scientist and engineer. Expert in climate change impacts, extreme weather events, extreme rainfall, flash flooding, droughts. Climate resilience and adaptation
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Mika Rantanen @mikarantane.bsky.social Researcher at the Finnish Meteorological Institute. Climate change, extreme weather and attribution of extreme events. PhD in meteorology from the University of Helsinki.
Erich Fischer @erichfischer.bsky.social Climate scientist investigating weather and climate extremes, professor at ETH Zurich (@ethzurich.bsky.social), fascinated by weather and climate, IPCC AR6 lead author
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
Mathew Barlow @mathewabarlow.bsky.social Climate scientist at UMass Lowell: droughts, floods, extreme events, & climate change. IPCC WG1 AR6 lead author. Skunk cabbage fan. he/him/his. Shocked but not awed.
Google Scholar: https://scholar.google.com/citations?user=qWV-WIQAAAAJ&hl=e
Mark Parrington @mparrington.bsky.social ECMWF senior scientist working on monitoring global #wildfire emissions, #airquality, atmospheric chemistry & #scicomm for the #CopernicusAtmosphere Monitoring Service @copernicusecmwf.bsky.social @ecmwf.int
Peter Gleick @petergleick.bsky.social Climate, water, birds, bluegrass mandolin. Member US National Academy of Sciences, MacArthur Fellow, Carl Sagan Prize, author of The Three Ages of Water (2023) and When the Well Runs Dry (2026). Email me at pgleick (at) gmail.
Benjamin Cook @dustybowl.bsky.social Climate scientist studying drought, land surface processes, climate extremes. https://www.drbenjamincook.net/
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
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
Jeff Dukes @dukesjeff.bsky.social 🌎🌱Climate change science and global change ecology at Carnegie Science.
[Private account, not representing employer]
Sam Burgess @oceanterra.org Climate | ocean | science policy & diplomacy | Copernicus Climate Change Service, @ECMWF | Partner to @edhawkins.org | ex 🐼 | Views own | 🌍 🌡🌊 🛰 🪸| Born on Wurundjeri Country | 🇦🇺🇬🇧🇪🇺 |
www.pulse.climate.copernicus.eu
Prof Hannah Cloke @hancloke.bsky.social Professor @UniofReading | OBE @UniRdg_water Co-Director | floods, heatwaves, natural hazards | hydrology | climate impact | ensemble forecasts | disaster risk | science communication
Prof Paul Williams @profpaul.bsky.social Professor of Atmospheric Science at University of Reading. Studies turbulence, jet streams, aviation, climate change.
https://www.met.reading.ac.uk/~williams/
Mona Hemmati @monahemmati.bsky.social Global TC Peril Lead @GallagherRe| Adjunct Associate Research Scientist @LamontEarth @ColumbiaClimate | Studying climate with a focus on #ExtremeEvents | Views are my own.
Carl Schleussner @carlschleussner.bsky.social Climate Scientist at @iiasa.ac.at and Humboldt Universität zu Berlin Views are my own.
Zack Labe @zacklabe.com Climate Scientist at @climatecentral.org | PhD | Passionate about improving science communication through data-driven stories | Harrisburg, PA | https://zacklabe.com/
Views, thoughts, and opinions expressed here are only my own.
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Dr. Serge Zaka @sergezaka.bsky.social CEO of AgroClimat2050 | PhD in agrometeorology | Vice-President & Stormchaser Infoclimat |
Conference / Speaker #agriculture #globalwarming
Scott Robeson @indianaclimate.bsky.social Climatologist, statistician, and geographer | #FirstGen | UDel and UBC grad | Grower of food and lover of plants and birds | Partner of https://bsky.app/profile/teresarobeson.com
CompoundNET @compoundnet.bsky.social We're a network for anyone interested in compound events, where we can share our work and discuss all things compound events.
Our sites:
www.compoundevents.org
https://www.risk-kan.org/working-group-compound-events-and-impacts/
@Compound_Event on Twitter
DroughtNet @droughtnet.bsky.social Global network of experiments to understand how ecosystems respond to drought. Funded by NSF. Find us at https://droughtnet.weebly.com
World Weather Attribution @wwattribution.bsky.social Rapid attribution to uncover the influence of climate change on heatwaves, drought, wildfire, storms and floods. 
Heidi Cullen @heidicullen.bsky.social climate change 🌡/extreme weather ⚡️/science communication 📣 | ocean health 🌊/ Climate Director @schmidtsciences | formerly @MBARI_News @WWAttribution @ClimateCentral @weatherchannel @NCAR_Science | i ❤️ Labs | thalassophile 💙
Suzana Camargo @scamargo.bsky.social Scientist at Lamont-Doherty Earth Observatory, Columbia University. Hurricanes, typhoons, climate extreme events. Brazilian living in the US. Tennis fan. 
Justin S. Mankin @jsmankin.bsky.social climate scientist || documenting and predicting climate impacts || professor @dartmouth
https://geography.dartmouth.edu/people/justin-s-mankin
https://jsmankin.github.io/ 
Thomas Frölicher @froeltho.bsky.social Professor in Climate and Environmental Physics @unibern, Lead Author @IPCC_CH SROCC, Views are my own
Nerilie Abram @climatenerilie.bsky.social Professor of Climate Science at ANU Earth Sciences | 21st Century Weather | Antarctic Science