Eric Hittinger @elephanteating.bsky.social Inaugural Director of RIT's School of Public Affairs, WILL International Chair at Univ. of Lille, & Past President of the US Association for Energy Economics. Batteries, renewables, electricity markets, and emissions. Sometimes I bike across the continent.
East Bay Times @eastbaytimes.com Latest news from throughout the East Bay, including Contra Costa and Alameda counties.
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).
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
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!
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 🌻
The Boston Globe @bostonglobe.com New England's leading source for breaking news and analysis.
bostonglobe.com
Scott St. George @scottstgeorge.paleohydrology.com Head of Weather & Climate Research at WTW, a global insurance advisory firm headquartered in London.
Alexander von Humboldt Fellow | Geological Survey of Canada alum | Formerly Associate Prof at University of Minnesota | Made in 🇨🇦 | Based in MSP
Kurtis M. @stormorknot.bsky.social Meteorologist | Catastrophe Modeler | Skywarn Spotter | Data wrangler | Inquisitive | Views are my own
He/him
🏠Boston
andrewsiffert.bsky.social @andrewsiffert.bsky.social Weather Catastrophist -Working in the energy/insurance industry for 20 years helping manage weather risk. The opinions expressed are my own & not my employer's.
Jessica Boyd @jessboyd.bsky.social Natural catastrophe researcher | Model research and innovation @ WTW. 
Suz Tolwinski-Ward @suztw.bsky.social Fighting the evils of climatic nonstationarity. (On risk quantification.... gotta pick yer best battlefield, ya know?)
Brian Smoliak @briansmoliak.is entrepreneur, climate scientist, & servant leader. co-founder, CEO @weathervane.app; co-founder, partner @twodegreesadapt.com
Manny Hernandez @vientomonzon.bsky.social Climate Scientist, Geographer, Catastrophe Modeler. Working with all things Nat Cat at Liberty Mutual. Opinions are my own. 🇲🇽🏳️🌈
Cameron Rye @cameronrye.bsky.social Catastrophe Research & Innovation @ WTW Research Network. PhD in Glaciology. Opinions my own.
Richard Dixon @catinsight.bsky.social Catastrophe / climate risk @ OAK Global. Visiting Research Fellow & PhD @ University of Reading. FRMetS. Increasingly big fan of data viz.
Otherwise eating noodle soup or watching cricket
Steve Bowen @stevebowen.bsky.social Work: Chief Science Officer @GallagherRe
Alumnus: Notre Dame (MSc: Business Analytics). Florida State (BS: Meteorology).
Healthy Obsessions: Weather & Climate Nerdery. Metallica. Notre Dame. Chicago Sports (Blackhawks, Cubs, Bears, Bulls).
Views: Mine
Lawrence Vulis @lvulis.bsky.social Climate Data Scientist working on natural hazards and climate risk in the property sector. Interested in the science of water, climate, cities, and landscapes, also dogs. Opinions are solely my own. 
Dr. Lucile Bruhat @seismolucy.bsky.social Earthquake physics, catastrophe modeling, disaster resilience, and risk management at AXA Group #WomenInSTEM She/her ⚒️🧪
Sharanjit Paddam @sharanjit.bsky.social Climate Actuary’s personal opinions on things
Kaptein von Blefjell @vonblefjell.bsky.social Climate scientist working in finance.
Painting watercolors as the world burns.
Zach Bruick @zachbruick.bsky.social Director of Catastrophic Risk Strategy @ Pano.ai. Using data and analytics to make the world safer from wildfires. Coloradan. Cubs fan. Wx nerd. Fort Collins, CO.
Chris Farrell @cfink1.bsky.social Work as a wind turbine tech. Have two cats. Likes to always go on an adventure and explore new things.
I do not answer DMs.
Paul Young @pjyng.bsky.social Climate and risk | Head of Science, JBA Risk Management | Visiting Prof, Newcastle Uni | Ex full time Academic
Views my own | Hot takes are probably someone else's
Piyush Garg @tropmetpie.bsky.social Atmospheric scientist navigating the AI tide. Senior AI weather scientist at RWE AI Lab. PhD from UIUC. Chicago resident.
Alan Calder @alancalder.bsky.social Jaded, early fifties gen-x ex x-er. Background in risk, natural hazards and disasters in the insurance industry. Climate change is unfortunately real - past time to take it seriously. Also: Cycling, Aberdeen FC, The Scottish Highlands. Londoner.
Tim Cornelissen @timcornelissen.bsky.social Senior Risk Analyst at Moody's RMS working on catastrophe modeling.
PhD in Physics.
Dutchie in the US.
Views my own.
Marie Shaylor @marieshaylor.bsky.social Hi, I’m a Climate Catastrophe Risk and Hazard Researcher, with a PhD in Atmospheric Physics! Also an avid cross-stitcher 🧵
Interested in all things drought, wildfire and tropical cyclone related 🏜️🌵🔥🌀
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.
Thomas Loridan @tloridan.bsky.social Tropical Cyclone and #hurricane Risk, Extreme Weather, #MachineLearning, Boundary Layer Meteorology, Reask Co-founder
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Burrito Justice @burritojustice.bsky.social tacos en paz, burritos en guerra
NPR: “a little bit of a burrito thought leader”
senior member of TAPBL (The All Powerful Bike Lobby)
Elbows Up
darth™️ @darthbluesky.bsky.social not the darth u are looking for
Wallace @wallace.bsky.social Professor of Constitutional Law at Princeton Law School, specializing in the 18th Amendment. Former legal analyst for Crossfire.
Technology Connections @techconnectify.bsky.social I'm that YouTuber who taught you how dishwashers work. Guess I'm tryin' out the whole Bluesky thing now.
he/him
https://www.youtube.com/technologyconnections
Micah @rincewind.run Recovering forum poster, politics doomer, basketball nerd. I write code for a living. He/him. Views entirely my own.
Deputy Chair of the Ankh-Morpork Posters’ Guild
🏳️⚧️ rights are human rights
The War on Cars @thewaroncars.bsky.social A podcast about the fight against car culture. Hosted by Sarah Goodyear & Doug Gordon.
Our new book, "Life After Cars" is out now.
https://www.lifeaftercars.com/
https://www.patreon.com/thewaroncarspod
Doug Gordon @brooklynspoke.bsky.social Co-author, "Life After Cars,” co-host, The War on Cars. Runner, Disney parks fan (he/him)
https://www.lifeaftercars.com
Donate to my 2027 run in support of PPMD:
https://donate.parentprojectmd.org/fundraiser/7001403
amy brown @amybrown.xyz wife, mother, poster
oakland bay area via dayton, ohio
✨ amybrown.xyz ✨
c0nc0rdance @c0nc0rdance.bsky.social Molecular biologist from Texas, here to share my meanderings on nature, science, history, politics, and zombies. Long threads a specialty.
Ned Resnikoff @resnikoff.bsky.social Newsletter: http://publiccomment.blog/
Hire me: http://resnikoffconsulting.com/
Pre-order my book! https://bookshop.org/p/books/build-or-die-how-america-is-suffocating-its-cities-and-what-to-do-about-it-ned-resnikoff/8ae5ebca259e570a?ean=9781642834260
Rebecca Schoenkopf @wonkette.bsky.social I'm Rebecca, from Wonkette: 2004-still exists.
Kate Mackenzie @katemac.bsky.social finance, energy, climate, geopolitics, industrial policy
@thepolycrisis.bsky.social
in Australia -> DMs hard to retrieve, best to email
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
Becky Hammer @beckyhammer.bsky.social Environmental lawyer/locally notorious person. Bad Bunny 101 adjunct professor. Alexandria, Virginia.
Subscribe to ALXtra: https://alxtra.ghost.io/
Patrick Canning 🇨🇦 @patrickcanning.bsky.social Climate litigation. Lawyer, husband, girl dad.
Every inch of the Earth is worth fighting for. No Xers. No AI.
Work: https://patrickccanning.com/
Climate law blog: https://feeltheheat.blog/
LLM (Lewis & Clark). Not legal advice
Katie Mummah @nuclearkatie.com Nuclear engineer. nuclear: reactors, history, waste, nonproliferation, space, humor. "Tells uranium's life story". Lives in New Mexico. UW-Madison, UIUC alum. Outdoors when I'm not working. Views mine alone, like/rt not endorsements. she/her
Silvia Secchi @profsecchi.bsky.social Natural resource economist, geographer, meanderer, informed agitator, immigrant
Trans rights are human rights
Landback
💧Dall’acqua salata a quella dolce e zozza💧
Personal account - these are my views, not my employer’s
John Smillie @johnsmillie42.bsky.social Husband, father, dog owner, hiker, climate action advocate, amateur energy nerd, heat pump evangelist, audiobook enthusiast. Chalant, yet gruntled.
Grant Henninger @granthenninger.com Founding Principal, Mobius Planning || Dad
Working to build verdant cities that provide community, happiness, and prosperity for all residents.
Jenka @jenka.bsky.social • User experience designer
• Healthcare philosopher
• Essayist
📍Mojave Desert
https://jenka.substack.com
draculaderonda @scanningtwo.bsky.social Spanning two centuries! / SNA --> CMH / he
https://www.draculaderonda.com/
kempa 🕳️ @yeshelloitskempa.bsky.social Cohost of The Drain🕳️. Incredible hair, brazen asshole.
Subscribe 😘 https://www.patreon.com/c/thedrain
madwoman in the gattic @emilygadabout.bsky.social Soul adrift on the internet, occasionally making some radio.
Amy Lee @amyelee.com Postdoc at the University of California, Davis. Studying policy and politics of transportation, land use, and travel behavior. She/her. amyelee.com 🏳️🌈
Public Sector Energy @publicsectornrg.bsky.social Humanist, climate hawk, YIMBY, Outdoor Recreation, American, student of cognitive biases, skier, surfer, Californian
Aaron Huertas @aaronhuertas.bsky.social Carpenter and woodworker. Democracy and unions liker. Building and fixing things: capehenlopencarpentry.com. Writing and editing: aaronhuertas.com.
Dr Matt Winning @mattywin.bsky.social 🎤 Climate comedian
🌍 Lecturer in Economics of Sustainability @UCL.ac.uk
🌀 Environmental Expert
📚 Author of 'Hot Mess'
📻 Hosted BBC Radio 4's 'Net Zero: A Very British Problem'
www.mattwinning.com
https://linktr.ee/mattwinning
Stephanie Damassa @shdamassa.bsky.social 
Kate Schapira: "Well Put & Generalizable" @kateschapira.bsky.social I wrote a book, LESSONS FROM THE CLIMATE ANXIETY COUNSELING BOOTH: HOW TO LIVE WITH CARE AND PURPOSE IN AN ENDANGERED WORLD. Let me know if you think you could use it for something.
PhENtastic.bsky.social @phenominal.bsky.social You don't know me... but i unfortunately know a lot about climate denial, propaganda and rightwing disinformation 
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.
emily thai @ethai.bsky.social they/she // @donororganizerhub.org // opinions mine, strong, weakly held
Cristi Proistosescu @cristiproist.bsky.social Assistant Professor - School of Earth Sciences @ Illinois
cristi.pro
Dr. Elizabeth Sawin @bethsawin.bsky.social Director Multisolving Institute. She/her. Systems thinking, climate justice, and multisolving, with a sprinkle of gardens and the odd puns. @bethsawin on X
Lilly @skynoer.bsky.social Storm enthusiast, farmer, some would call me a doomer but I feel more like Cassandra every day. Leftist. On the ground source for Asheville updates post Helene. Probably being sarcastic. NYU alum — Environmental Studies
Jamie Pew @jpew.bsky.social Pedestrian
Climate at NextGen Policy
NJ raised, Oakland based
https://boxd.it/1jz17
Nick Arnold @nickarnoldaz.bsky.social ⚡️🌵🌞
he/him, based in Tucson, AZ
@sierraclub.org Grand Canyon Chapter Political Chair
ashley fairbanks @ziibiing.com asiniiwiikwe indizhinikaaz. anishinaabekwe in yanaguana. storyteller, comms nerd, & artist trying to shift power and build a just and sustainable world. fuck borders. land back. she/her/wiin.
David Turnbull @dturnbull.bsky.social Supporting strategic communications to win the climate fight. Board member, @joindayenu.bsky.social & @BreachCollectiv.bsky.social
Ahhhhh @nerdjpg.com I’m only on here to chill and joke around 🤓
DMs open for good faith questions about communism or dsa. if I don't respond you can message me again. resources in pinned post
Marxist | get involved in socialist organizing now!
https://linktr.ee/Nerdjpg
Patrick Reinsborough ❌👑 @giantwhispers.bsky.social Social Change Strategist. Movement-Builder. Story Changer. Leadership Coach. Co-founder Center for Story-based Strategy, Co-author Re:Imagining Change (PM Press 2017) Fighting for a Just Future on a Livable Planet
@pineappple.bsky.social @pineappple.bsky.social 
Bill Bovingdon @williambovingdon.substack.com Sustainable Finance, Green Bonds
Co-Founder Altius, Director Australian Ethical, Adjunct Fellow UNSW Business School
Also, Arsenal, St Kilda FC, guitar and fly fishing