Ecological Forecasting Initiative @ecoforecast.bsky.social EFI is an international grassroots consortium aimed at building and supporting an interdisciplinary community of practice around near-term (daily to decadal) ecological forecasts.
Toryn Whitehead @torynwhead.bsky.social PhD Researcher in human-wildlife coexistence and shifting baseline syndrome @kingscollegelondon.bsky.social. Parlimentary Research Intern. Certified mediator. He/Him. Views my own. 🐗🐈🐺🇪🇪🏴
Tzeporah Berman @tzeporah.bsky.social Chair and Founder of Fossil Fuel Non-Proliferation Treaty @fossiltreaty.bsky.social | International Program Director @stand.earth
📍Vancouver, BC
https://bio.site/tzeporah
Isaias Hernandez @isaiashernandez.bsky.social Environmentalist, Educator, & Writer
📧 queerbrownvegan@gmail.com
Author of Dear Environmentalist 📗🌼 Apr’27
Linktr.ee/queerbrownvegan
Robert from Children's Climate Championship @childrensclimate.bsky.social I'm Robert, I'm 13 & I talk to kids, scientists, and organizations around the world about climate change & biodiversity. I award donations to speakers favourite charities (managed with mum).
Bill McKibben @billmckibben.bsky.social Founder 350.org and Third Act, author The Crucial Years on substack https://billmckibben.substack.com/
Author of 21 books, beginning with The End of Nature
Naomi Klein @naomiaklein.bsky.social "End Times Fascism" book available now.
Doppelganger. This Changes Everything. The Shock Doctrine. No Logo. On Fire.
UBC Professor of Climate Justice.
🔗 https://linktr.ee/naomiklein
Seth Klein @sethdklein.bsky.social Past Team Lead, Climate Emergency Unit; author of "A Good War: Mobilizing Canada for the Climate Emergency"; columnist w/ Canada's National Observer; former social justice think tank director
https://www.sethklein.ca
https://sethdklein.substack.com
Luisa Neubauer @luisaneubauer.bsky.social Climate activist, born 364ppm, based in Berlin
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.
Emily Atkin @emorwee.bsky.social I run HEATED, a weekly newsletter and podcast devoted to climate accountability reporting and opinion. Philly-based. She/her.
Signal: @emorwee.06
Mark Ruffalo @markruffalo.bsky.social A husband, father, actor, director, & a climate justice advocate with an eye out for a better, brighter, cleaner, & more hopeful future for all of us.
Tara Houska @zhaabowekwe.bsky.social ojibwe. mama bear. land defender. founder @giniwcollective. co-founder @notyourmascots. words @nytimes @vogue @cnn. zhaabo@gmail.com
Dr. Sandra Steingraber 🏳️🌈 @ssteingraber1.bsky.social PhD biologist, author, climate activist, adoptee rights activist. Senior Scientist and Writer in Residence, Science and Environmental Health Network, Rachel Carson scholar with Library of America. Reminder: Nobody’s coming.
Jane Fonda @janefonda.com Official account for the Actress, Author, Activist, Fitness Advocate
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)
Niklas Kaskeala @niklaskaskeala.bsky.social Founding Activist @ The Activist Agency
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
Keya Chatterjee @keyachatterjee.bsky.social Mom, Climate and Democracy Activist, Fmr ANC 6A01, #FreeDC. Author of THE REVOLUTION WILL NOT BE RATED G-- coming out October 2025-- It's speculative cli-fi-- a spicy romp through fascism that ends with a successful general strike!
Aarne Granlund @aarnegranlund.eurosky.social Sufficiency, climate work, and river restoration in Finnish North Karelia. I fly fish, hike, and ski. e-MTB pilled. Rural. Left in politics.
Rose Abramoff @ultracricket.bsky.social Earth scientist and activist. She/they. Opinions expressed are my own - Facts expressed are science.
climateemergencyfund.org
Peter Kalmus @climatehuman.bsky.social Climate scientist working at NASA/JPL and lover of truth. Arrested for defending Earth. Opinions mine. 
Jamie Sarai Margolin @jamiesarai.bsky.social 🇨🇴🏳️🌈🪬
director/creator Pelea Animation
Zero Hour founder
filmmaker, organizer, artist
nyu film 2024
#youthtopower author
🇵🇸🇵🇸🇵🇸🇵🇸
Michael Poland @michaelpoland.bsky.social Campaign Director @ Fossil Fuel Treaty Initiative
Living on Bundjalung Country
Evan Weber @evanlweber.bsky.social Fighting for kama'āina & 'āina w/ @ourhawaii808
Organizer, movement builder, political strategist, public policy expert.
Helped author and start US movement for a Green New Deal. Forbes 30 under 30.
Everything for home & the homies.
📍Kailua, O’ahu
Keith Stewart @climatekeith.bsky.social Greenpeace Canada climate campaigner capable of boring you about energy transitions, climate solutions and the history of oil industry perfidy. Part-time prof at U of Toronto. Sci-fi aficionada.
Catherine McKenna @cathmckenna.bsky.social 🌱 CEO, Climate & Nature Solutions; Chair UN Net Zero.
🇨🇦Former Minister of Environment & Climate
🏃♀️Author, Run Like a Girl
Order your copy today ⬇️
www.catherinemckenna.ca
📩 contact@climateandnature.com
Mikaela Loach 📖🇵🇸 @mikaelaloach.bsky.social climate justice organiser, co-founder of the AWETHU School of Organising, speaker and bestselling author of IT'S NOT THAT RADICAL (DK, 2023) and Climate Is Just The Start (Random House Children's, 2025)
Safina Launchpad Fellow 2025
mikaelaloach.com
Annie M Leonard @anniemleonard.bsky.social Activist and Organizer. Coauthor of Protest- Respect it, Defend it, Use it (w/ Andre Carothers, 2026). Team @janeclimatepac. Creator @storyofstuff talk, book & org. If we lose the right to protest, we stand to lose so much more.
Jerome Foster II @jeromefosterii.bsky.social Activist | Co-founder of WaicUp.org
TIME Next Generation Leader
Youngest White House Environmental Councilmember
Former Intern Congressman John Lewis
Yeb Sano @yebsano.bsky.social Climate justice activist. Pilgrim.
Elizabeth Yeampierre @yeampierre.bsky.social Afro-Indigenous Boricua mother, daughter, sister, wife, matriarch building for climate justice- walking with my ancestors 💚♥️🖤🇵🇷 🌻🐝🍯💛 my opinions are my own 🌻
Marina Silva @marinasilva.bsky.social Ministra do Meio Ambiente e Mudança do Clima | Professora de história, senadora pelo Acre (1995-2011), deputada federal eleita por São Paulo.
May Boeve @mayboeve.bsky.social Former Executive Director and forever fan, 350.org. Host, How We Build This. Social Movements, politics, climate, books, Bay Area. She/her
My Podcast: https://podcasts.apple.com/us/podcast/how-we-build-this/id1818186909
David Fenton @dfenton.bsky.social Host of Agitation Nation, a podcast from the Fenton Forecast newsletter. Author of The Activist’s Media Handbook: Lessons from 50 Years as a Progressive Agitator fentonforecast.com
George Monbiot @georgemonbiot.bsky.social Ungainly on land
Hugo Tagholm @hugotagholm.bsky.social Ocean Activist, Surfer, Campaigner
Executive Director, Oceana, UK
Columnist, Oceanographic Magazine
Chair, Save The Waves
Fellow - Edinburgh University #OceanLeaders
Former CEO, Surfers Against Sewage
Mike Hudema @mikehudema.bsky.social #Climate and communications director focusing on addressing the #climatecrisis, keeping forests standing, and building a vibrant, livable world for all of us.
There’s no time to wait. #ActOnClimate
@guydauncey.bsky.social @guydauncey.bsky.social Climate organizer and activist. Co-founder of West Coast Climate Action Network. Author of forthcoming book The Economics of Kindness. Vancouver Island, Canada. Fellow of Findhorn Foundation. Fellow of Royal Society of the Arts. 
Ravina Project @ravina-project.bsky.social Since 2007 our household is a self funded engineering science research project. Our work covers many areas including solar PV energy harvesting, household energy efficiency and Grid resiliency. www.theravinaproject.org 
My Zero Carbon #ClimateAction @myzerocarbon.org Practical #ClimateAction 🥗
Join our journey to #ZeroCarbon 🚴
#hope in the face of #GlobalWarming & #ClimateCrisis 🌳
reg. charity info https://myzerocarbon.org
#Climate 🎥 https://www.youtube.com/@myzerocarbon
Senator Sheldon Whitehouse @whitehouse.senate.gov U.S. Senator from Rhode Island, the Ocean State.
https://linktr.ee/senwhitehouse
Adam van Koeverden @avankoeverden.bsky.social Canadian, nature lover, sport and physical activity advocate. MP for Burlington North—Milton West . Yes to Dogs, coffee, nice people, art & music. No to far-right populism, tunnels under the 401 and plans to conquer Mars. 🌎❤️
Rebecca Wynn @beckywynn.bsky.social Mum and organizer at Our Kids' Climate. www.ourkidsclimate.org
Shay O’Reilly @shaygabriel.bsky.social “The needy shall not always be forgotten, nor the hope of the poor perish forever.” NYC ➡️ Berlin. Climate organizer/campaigner/dad but this is a personal account. 🏳️⚧️🏳️🌈✝️
Kay Rabe von Kühlewein @klimakay.bsky.social Meteorologie-Student, Bahnenthusiast & Klimaaktivist bei Fridays for Future 🌍 1,5-Grad-Ultra 🔥 Born at 375 ppm 🏳️🌈
📍Hamburg
Meera Shah @meera-shah.bsky.social Environmentalist, climate activist. Africa. Agriculture and food systems transformation and policy, adaptation, climate security. Wildlife. Rhinos. Bollywood. Books. Indian-Kenyan-British.
Joshua Amponsem @amponsemjoshua.bsky.social Co-Direct, Youth Climate Justice Fund | Founder, Green Africa Youth Organization.
TED Talk - The absurd inequality of climate work - and how to fix it: go.ted.com/joshuaamponsem
Podcast - Funding youth climate justice leaders: https://shorturl.at/YMLO
Edgar McGregor @edgarmcgregor.bsky.social San José State University Climate Science🌧🌴-- Climate activist conducting 1,900+ daily trash pickups.🌎🏜 -- He/Him -- Because the future is worth fighting for
Alaina Wood @thegarbagequeen.bsky.social Climate Storyteller & Activist
Sustainability Scientist
🌍 https://linktr.ee/thegarbagequeen
📧 alaina@pharos.co
Xiye Bastida @xiyebastida.bsky.social Climate Justice Activist 🇲🇽
Yoca Arditi-Rocha @yoca1000.bsky.social Mom, Wife, Dog lover, Latina Advocate that fights 4 #CleanAir4Kids & #ClimateAction. Hates #FoodWaste & many isms! Personal views only.
Climatologist49 @climatologist49.bsky.social PhD Climate Scientist. Alaska. The Earth is warming because of us. Mooseologist. All opinions are my own. Future FIFA Peace Prize winner. TDS. Signal: Climatologist.49
Matt Lanza @mattlanza.bsky.social I am the trick my mother played on the world.
Xennial Meteorologist in Connecticut. Heart always in Houston. Forecasts: theeyewall.com & spacecityweather.com.
I like books, history, sports cards, baseball, Rutgers, #BHAFC.
Opinions my own.
Brian Kahn @blkahn.bsky.social Your friendly local Wired science editor
Ian @ianlivingston.bsky.social Writer. Reporter. Listener. Forecaster. Editor. Former Brookings foreign policy and WaPo weather/climate. #wx #dc #dogs #climatechange #policy #military #python #gis
capitalweather.com
Beth Allan @beth.bsky.social Storm chaser (🌪️), school counsellor (🎓), photographer (📷), and cross stitcher (🪡). Calgary, AB based, but I'm happiest road tripping.
@adolwyn in most other places.
Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
Meade Krosby @meadekrosby.bsky.social Climate adaptation for nature and people @ Climate Impacts Group, University of Washington. Surfer/paddler. Settler on Coast Salish land. She/her.
Personal account - views mine.
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
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Andrew Freedman @afreedma.bsky.social Senior Reporter, Weather & Climate @cnn. Priors: Axios, WaPo | Alum: The Fletcher School, Columbia Climate & Society | Tips: andrew.freedman@cnn.com | afreedman@protonmail.com | Signal: @afreedmanclimate.03
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/
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Alex Spahn 🌋🌪️☄️ @spahn711.bsky.social Storm chaser. Volcano hunter. University Physics, Astronomy, & Earth Science Instructor. MS Physics/BS Astrophysics. Rockhounder & Mineral Collector. Raccoon whisperer. Allow me to share our planet's beauty with you. linktr.ee/spahn711
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
Dennis Mersereau 🛰️ @wxdam.com I make it rain and then write about it. 📡 Weather reporter, author, aspiring flâneur. Bad opinions are all mine. He/him. 🏳️🌈
📍N.C. || http://www.damweather.com/p/the-skies-above.html
James Spann @spann.bsky.social AMS Certified Meteorologist.
Zoom Earth @zoom.earth Interactive weather map and hurricane tracker.
Get our app 👉 https://zoom.earth/app
daryl herzmann @akrherz.bsky.social Iowa Environmental Mesonet https://mesonet.agron.iastate.edu ,
Father of all the IEMBots here,
https://github.com/akrherz
Signal >> Noise, hopefully.
Michael Snyder @seattlewxguy.bsky.social Host of Pacific Northwest Weather Watch, Former National weather service behind the scenes guy, Alaska Airlines weather guy.
https://www.youtube.com/@PacificNorthwestWeather 
Lori Grace @lorigrace.bsky.social Extreme Weather Photographer, Host: Storm Before the Calm Podcast, featured on @cbssundaymorning @cosmopolitan @backpackermag @pantone 2024
Critical thinking a requirement here. That pretty much separates it.
Tomer Burg @burgwx.bsky.social Senior meteorological scientist at @windbornewx.bsky.social & web developer
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
Dakota Smith @weatherdak.bsky.social Digital Meteorologist at @CNN.com, Science Communicator, & Creator
Twitch partner, (sometimes) live at night: twitch.tv/weatherdak.
Ryan Stauffer @ryanswx.bsky.social NASA/GSFC scientist running a global ozone network who was also wrongfully stripped of my 2025 JD Power Virtual Storm Chaser Championship
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.
Jared Rennie @jjrennie.bsky.social Research Meteorologist at NOAA’s NCEI. We archive your data and I play with it. On this hell site too along with all the others. 
Eric Fisher @efisherwx.bsky.social Chief Meteorologist at WBZ-TV in Boston, MA.
Storms, nature, sports, beer. Not necessarily in that order.
MyRadar @myradar.bsky.social Keeping you ahead of the storm since 2008. Download for FREE! myradar.com
Michael Lowry @michaelrlowry.bsky.social Hurricane Specialist and Storm Surge Expert at Miami's WPLG-TV Local 10 News. Posts my own.
http://linktr.ee/michaelrlowry
Philippe Papin @pppapin.bsky.social Sr. Hurricane Specialist at NHC 🌀 | Ph.D + M.S. via UAlbany & B.S. via UNCA | Enjoy all kinds of weather 🌤❄️⛈🌪| Thoughts are my own
Brendon 🐻🌪️❄ @brendonme.bsky.social Mountain Wave Wrangler | bad weather and mountains | high plains storm chasing | I don't study the atmosphere, but I live in it | accountant | 📍 Wyoming via Idaho
Jim Tang @stormchasertang.bsky.social Blue sky is caused by Rayleigh scattering
Alex Lamers @alexlamers.bsky.social I try to make sense of the weather for a living. Remember, low probability events can and do happen.
University of Miami Rosenstiel School @miamirosenstiel.bsky.social The Rosenstiel School of Marine, Atmospheric, and Earth Science is one of the world’s premier education and research institutions.
Danny Satterfield @wildweatherdan.bsky.social Meteorologist for 45 years. Fellow of the AMS. MS Earth Science. Stood at the S. Pole. If you’ve not deeply loved a dog, I don’t really trust you. Go Canada🇨🇦!
The laws of Physics are real, everything else is politics- ND Tyson. 📸👨💻🌦️☔️🍎 No bigots🇺🇦
Chris Bianchi @bianchiweather.bsky.social 9NEWS Senior Meteorologist | AMS CHALA Broadcast Lead 🇨🇱 | NWA Seal of Approval | ⚽ PxP
Jeff Frame @vortexjeff.bsky.social Teaching professor of atmospheric sciences at the University of Illinois and storm chaser. I teach weather. Posts are usually about weather, sometimes sports, but never politics. PhD, MS PSU; BS Michigan. All opinions mine.
https://vortexjeff.smugmug.com
Brian Tang @btangywx.bsky.social Professor, Atmospheric and Environmental Sciences at UAlbany. Tropical cyclones & severe weather. Occasionally playing hockey, skiing, or paddleboarding.
Jessica Moore @dopplerjess.bsky.social Meteorologist | Photographer | Travel Writer
Website: jessicamooreweather.com
John Morales @johnmoralestv.bsky.social ClimaData® Certified Broadcast and Consulting Meteorologist (CCM)
Campaign Co-chair at @climatepower.bsky.social
Hurricane Specialist NBC 6 Miami & Noticias SIN, Dominican Republic
BSc & Member of the Board of Trustees at Cornell | MSc at Johns Hopkins
Deke Arndt @deke-arndt.bsky.social I'm the Director of NCEI, and work with amazing people, but this is my personal account. Climate. Data. Risk. Okie stuff. Asheville stuff. Sugar by the bushel; molasses by the ton. Skipping leg day since 1998. 
Space City Weather @spacecitywx.bsky.social No-hype source for Houston-area weather forecasts. Operated by Eric Berger and Matt Lanza. #housky #houwx https://spacecityweather.com/
Stormchasernick @stormchasernick.bsky.social Weather Jokes, Weather Memes, Photoshops, GIFs, Sarcastic, #WxGeek, #CTwx, #Cincywx, #WxSky
Chris Wicklund Auroras @wickydubswx.bsky.social Meteorologist. Photographer. Sun Enthusiast. Astroguy. 🌈⛈️
SCSU 24’ MN✈️NE
Chris Vagasky @coweatherman.bsky.social American Meteorologist
Blixtexperten
Weather Measurements Guy
Award-Winning Communicator
AMS Certified Digital Meteorologist #18
Bryan Wood @bryanwx.bsky.social Meteorologist/Senior Catastrophe Analyst. Collaborator at heart. Unrepentant nerd. Goal: Never stop learning. Views are mine. Audentes Fortuna Iuvat. Ohio. Weather. Roller Coasters. Hail. Hurricanes. Wildfire. Tornadoes. Indycar. Climate Change is real.