Rev Dr Jim Antal @jimantal.bsky.social UCC national advisor on climate justice, activist, public theologian, vegetarian, cyclist, author: Climate Church Climate World; born @ 312ppmCO2
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. 💙
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Ed Maibach @maibached.bsky.social I'm a health professional who’s all in on using the science of science communication to fight climate change. My message: The end of fossil fuels will be a new beginning for health. #Resist
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Dr. Aaron Thierry @thierryaaron.bsky.social Research analyst, ASRA. PhD candidate at Cardiff University researching the role of science and scientists in the climate movement. PhD in Ecology. Climate communications.
Madhu Pai, MD, PhD @madhupai.bsky.social Inaugural Chair, Department of Global & Public Health, McGill University, Montreal & Canada Research Chair in Epidemiology & Global Health 🇨🇦
Tweets: own views. He/him.
https://en.wikipedia.org/wiki/Madhukar_Pai
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
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.
Dr. Katharine Wilkinson 🌱 @kkwilkinson.bsky.social 🤸🏻♀️ Climate author, teacher, creator 📚 Climate Wayfinding (new!), All We Can Save, Drawdown, etc ✨ Lead @allwecansave.bsky.social 🎙 Co-host, A Matter of Degrees 🍑 ATL
True loves: 🐎🐕🐈⬛🕺🏼🌳🌖⛰️
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.
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
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
Adam McKay @ghostpanther.bsky.social Filmmaker: Hyperobject Industries/Yellow Dot Studios
Climate & societal collapse with some sports and movie talk. And yes, the mixture is disorienting.
Alex Steffen @alexsteffen.bsky.social Planetary foresight and personal climate strategies.
Courses: https://alexsteffen.thinkific.com/
Podcast/newsletter: https://alexsteffen.substack.com/
Start here → https://alexsteffen.substack.com/p/foresight-is-no-longer-a-luxury
Peter Kalmus @climatehuman.bsky.social Climate scientist working at NASA/JPL and lover of truth. Arrested for defending Earth. Opinions mine. 
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Prof Julia Steinberger 🌹🌱🌍 #ClimateAction #Fightfascism @jksteinberger.bsky.social Ecosocialist bluestocking. Immigrant & settler 🇪🇺🇨🇭🇺🇸🇬🇧. Social ecology & ecological economics at Uni Lausanne in 🇨🇭. Bad at email. She/her
Michael E. Mann @michaelemann.bsky.social Scientist/Author/Speaker; Presidential Distinguished Prof/Director Center for Science, Sustainability & the Media, U. Penn; National Academy of Sciences; American Academy of Arts & Sciences; Royal Society; Tyler Prize
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
Jacquelyn Gill @jacquelyngill.bsky.social Climate, extinction, and biodiversity scientist at the University of Maine researching Earth’s past for a better future. Writing and podcasting for the planet. Chaotic good professor. She/her.
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.
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/
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
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Cat Abreu @cat-abreu.bsky.social Climate action is my love language 💚 | Director, International Climate Politics Hub | Canada’s Walk of Fame 2023 National Hero | Advisor, Canada’s Net Zero Advisory Body | Board member & keynote deliverer
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Inside Climate News @insideclimatenews.org Pulitzer Prize-winning, nonprofit, non-partisan newsroom dedicated to covering climate, energy and the environment. Our newsletters: http://bit.ly/3mcVORO