George Takei @georgetakei.bsky.social Husband, Actor, Activist, Uncle George to the Internet 🖖
Senator Bernie Sanders @sanders.senate.gov Sen. Sanders of Vermont, Ranking Member of the U.S. Senate Committee on Health, Education, Labor & Pensions, is the longest-serving independent in congressional history.
The Young Turks @theyoungturks.bsky.social Hosted by Cenk Uygur & Ana Kasparian. Live weekdays at 6pm eastern at YouTube.com/@theyoungturks/live
@3sig.bsky.social @3sig.bsky.social 
The Daily Show @thedailyshow.com Weeknights 11/10c on Comedy Central and Paramount+
Sen. Cory Booker @booker.senate.gov Proudly serving the people of New Jersey in the U.S. Senate. 
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
John Hanger @jrfhanger.bsky.social Support decarbonization, zero-CO2 generation & competitive markets. Former Commissioner of PA PUC, Secretary of PA DEP, Secretary of Policy & Public Advocate for consumers of Philadelphia's municipal utilities. Law degree.
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
Jonas Nahm @jonasnahm.com Associate Professor at Hopkins/SAIS. Former White House industrial strategy economist. Industrial policy, trade, climate, economic security. Views my own. DC | HNL. 🏳️🌈
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9
Canary Media Inc. @canarymedia.com Canary Media is an independent, nonprofit newsroom covering the transition to clean energy and solutions to the climate crisis.
🔗 https://www.canarymedia.com/subscribe-to-our-newsletters
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
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
Jennifer Hiller @jenhiller.bsky.social Wall Street Journal energy reporter covering renewables, energy transition, EV charging, new nuclear, the grid. Houston based. Ex-Reuters, Express-News. Story tips: jennifer.hiller@wsj.com What is this place and where is everybody?
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
Ed Hawkins @edhawkins.org Climate scientist at the National Centre for Atmospheric Science, University of Reading | IPCC AR6 Lead Author | MBE | Views own | https://edhawkins.org
Warming Stripes: http://www.ShowYourStripes.info
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
Kim Cobb @kimcobb.bsky.social 40% Climate Scientist, 40% Mom, and 20% Indiana Jones. Unapologetically obsessed with carbon. Lawrence & Barbara Margolis Director, http://ibes.brown.edu. She/her. Views my own
Kimberly Nicholas @kimberlynicholas.bsky.social Climate scientist, Lund University.
Creator, climate action
podcast 🎙️ CLIMATE ACTUALLY https://youtube.com/@climateactually
& guide📱 SHIFT (jointheshift.earth).
Bestselling author, UNDER THE SKY WE MAKE 📖.
Newsletter: wecanfixit.substack.com 💌.
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/
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.
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
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/
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
Adam Sobel @adamsobel.bsky.social Atmospheric scientist
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.
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
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
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.
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. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
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
Benjamin Cook @dustybowl.bsky.social Climate scientist studying drought, land surface processes, climate extremes. https://www.drbenjamincook.net/
Prof Lisa Schipper 🌍🍉💪 @lisaschipper.bsky.social Climate adaptation & development•Prof Development Geography @giubresearch.bsky.social•Co-EiC @climdevjournal.bsky.social•PI @dependencybonn.de•Associate @sei.org & @ecioxford.bsky.social• @welthungerhilfe.bsky.social•she/her/Du•Servant to 2 rescue 🐈⬛ •🇸🇪
Mike Dettinger @mdettinger.bsky.social Water/environ/climate news & my occasional thoughts/calcs, from CarsonCity (Wá∙šiw land), NV. Retired USGS & now p/t @CW3EScripps scientist.
Bona fides? PhD.UCLA F.AGU F.AAAS M.NAE; www.mdettinger.com
Ruth Mottram @ruthmottram.eurosky.social Climate scientist at DMI, Greenland, Antarctica, polar regions in general.
Now migrated to eurosky.social on here.
Mostly on mastodon though @ruth_mottram@fediscience.org
Blogging at sternaparadisaea.net
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Dr. Merritt Rae Turetsky @queenofpeat.bsky.social Pre-order Bogland at https://wwnorton.com/books/bogland
Author, scientist, mom. Bog adventurer. Permafrost detective. Learn more at merrittraeturetsky.com
Mauri Pelto @mauri-pelto.bsky.social Glaciologist who has spent 40+ years doing fieldwork on glaciers. Science advisor to NASA Earth. US Representative to the World Glacier Monitoring Service. Author of blog “From a Glaciers Perspective”. Grandparent, avid skier, dog walk/runner.
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. 
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Doug McNeall @dougmcneall.bsky.social Science Lead for Data-Driven Climate Modelling @ UK Met Office | University of Exeter | AI, UQ, Countering mis/disinformation.
dougmcneall.com
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Prof. Stefan Rahmstorf @rahmstorf.bsky.social Climate scientist, professor of Physics of the Oceans in Potsdam. Dad. Opinions my own.
Born at 317 ppm CO2.
Prof. Bob Howarth @profbobhowarth.bsky.social Professor at Cornell University, Earth system scientist, co-EiC Land-Ocean-Atmosphere Research
Bob Henson @bhensonweather.bsky.social Meteorologist and journalist. I cover wacky weather, changing climate, and how we live, love, work, get around, and dream. 
Bob Kopp @bobkopp.net #Climate & sea level science + policy. Rutgers University. All views my own. www.bobkopp.net
Dr Adam Levy @climateadam.bsky.social Climate scientist, journalist, YouTuber, Adam 🏳️🌈
https://www.youtube.com/ClimateAdam/
https://www.climateadam.com
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
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
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
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
Naomi Oreskes @naomioreskes.bsky.social Historian, Earth Scientist, Writer, Public Intellectual.
Books: Merchants of Doubt; Collapse of Western Civilization; Science on a Mission; Discerning Experts; Why Trust Science?; The Big Myth. Loves: Chocolate, Red Wine, Skiing, family. Hates: Beets.
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
Dr. Tessa Fisher @tessafisher.bsky.social Research Facilitator, ASU| Astrobiologist | Trans Lesbian | SFF Writer | Lukewarm Ecosocialist | Union Woman | One Half of @asabpod.bsky.social | She/Her| 🌹
www.tessafisher.com
Words and opinions are my own.
Valérie Masson-Delmotte @valmasdel.bsky.social PhD, climate scientist @lsce-ipsl.bsky.social @CEAParisSaclay @IPSL_outreach @hc_climat. Was co-chair @ipcc.bsky.social (AR6 WGI). Member of French Academy of Technology and Academy of Sciences.
Christine Wiedinmyer @cwiedinm.bsky.social Science administrator at CU Boulder. Study air quality and pollution emissions, all things wildfire and open burning. Women in science. Go Buffs! 
David Romps @davidromps.com Climate physics
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
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
Dr Ella Gilbert @drgilbz.bsky.social Head in the clouds, heart in the ice.
Climate scientist & presenter, massive cloud nerd.
Represented for TV & books by Natalia Lucas at United Agents.
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
Dr. Andrea Dutton @drandreadutton.bsky.social Geologist. Obsessed w/ carbonates, isotopes, sea level & climate. Professor at Univ. Wisconsin-Madison. she/her
Peter de Menocal @pdemenocal.bsky.social President & Director
Woods Hole Oceanographic Institution 
Adam Terando @adamterando.bsky.social Climate scientist and urban/transportation policy dilettante. Personal account with my own opinions.
Stefan Sobolowski @stefansobo.bsky.social Climate scientist; climate dynamics, impacts and climate/weather extremes; Associate professor, Geophysical Institute, University of Bergen, Norway; Research Leader, the Bjerknes Center for Climate Research. Two flags 🇳🇴 🇺🇸
Peter Cox @coxypm.bsky.social Climate scientist who believes that the world is simpler than it looks. Director of Global Systems Institute, University of Exeter
Sarah E Myhre PhD @sarahmyhre.bsky.social Partnerships @DemocracyForward.org | Washingtonian | Climate and Democracy | Philanthropic strategy | Views are my own | Would rather be skiing | UC Davis, WWU alum
Tessa Hill @tessahill.bsky.social Climate change, oceans, blue carbon and coastal communities. Professor, researcher, educator, author. 🌊
📕: At Every Depth @ateverydepth.bsky.social
AtEveryDepth.com
bio.site/Tessahill
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. 
Ankur Desai @profdesai.bsky.social Professor and Chair@UW_AOS Meteorology, Ecology, Climate Sci (Biosphere-Atmos) Parent to 3 kid chaos. Https://flux.aos.wisc.edu
Susan Munroe @susanmunroe.bsky.social Advancing offshore wind to build an equitable, stronger, cleaner economy. carolinalongbay.com
Christina Cress @cress.bsky.social energy/utilities lawyer | okay-ish at ⛳️, birding, board games & pickleball | posts solely mine/never legal advice
Two Stanley Cups @johnburnsnc.bsky.social Twitter refugee. Hockey fan. Energy lawyer. General ne'er-do-well. PC survivor.
The algorithm is the enemy.
Southeast Climate Adaptation Science Center @secasc.bsky.social Our mission is to deliver science to help fish, wildlife, water, land, and people adapt to a changing climate. Consortium of 11 organizations across the SE, hosted at NC State University.
Southern Environmental Law Center @selc.bsky.social We are the Southern Environmental Law Center. Nonprofit and nonpartisan, we’re one of the nation’s most powerful environmental defenders, rooted in the South.
Dave Kirkpatrick @dkirk855.bsky.social Impact and Climate VC
David Neal @davidlneal.bsky.social @D_Davidovich on the ex-Bird site, attorney, climate hawk, accidental philanthropist, amateur historian, son of David.
Harry Johnson @harryjohnsonnc.bsky.social Attorney working on clean energy development in the southeast. UNC Asheville & Chapel Hill alum. Come here for the transportation/land use/housing/energy takes, stay for the bluegrass and basketball. 
John Lucey @jdlucey92.bsky.social now: gov. affairs for WH. past: EPA; NCDEQ; Gov. Cooper. go Sox & go Canes. personal account, views my own.
Kacey Katzenmeyer MBA/MEM @kaceykatz.bsky.social Energy & sustainability | ScottMadden consultant | @DukeU MEM, @UNC MBA | Alumn @CELI @ClimateCorps
Julie Robinson @julierobinsonnc.bsky.social Lobbyist/consultant who loves policy, politics, UNC, great food/drinks & clean energy (order varies by the hr/day). Advancing biz opportunities & jobs in NC.
Dave Rogers @drogersenergy.bsky.social Fighting climate change, working to move the South Beyond Coal w/ Sierra Club. Tired parent of twins. Mostly an Eeyore who tries really hard to be more like Pooh. He/him
Ginger Kowal @gingerkowal.bsky.social Data nerd, climate justice advocate, WNC native.
Energy Alabama @energyalabama.bsky.social Advocating for clean and affordable energy in Alabama.
Emil Jacobs - Collectifission @collectifission.greennuclear.online.ap.brid.gy If you're on Bluesky, follow @ap.brid.gy or I won't be able to see you.
All about energy and what that means for people, in relation with the rest of […]
🌉 bridged from ⁂ https://greennuclear.online/@collectifission, follow @ap.brid.gy to interact
Jesse @ember42.bsky.social Process engineer. Energy, infrastructure, industrial decarbonisation, P(🌎net0|☢️📉) << P(🌎net0|☢️📈), Sulphur. Views my own. Ember421 at x
Wombat @wombat-ee.bsky.social Electrical engineer working on the grid. I have opinions about energy, climate, transport, housing, and politics. YIMBY. #EnergySky
(Semi-Hiatus)
Take Aanstoot @storklompen.bsky.social Board Ekomodernisterna and replanet.
Grundare BlagulaBilen #SlavaUkraini
Ecomodernist, Anti-racist, SJW LGBT-ally, asd.
Kärnkraft, cyklar och täta städer. 
Greg Barton @gregorybarton.bsky.social Mod of reddit’s r/nuclear and r/SaturatedFat. Interest in AI, martial arts, human biochemistry, nutrition, nuclear power.
Nick Touran @whatisnuclear.com Ph.D./P.E. nuclear engineer and nuclear educator who runs https://whatisnuclear.com. Thinks about how to deliver nuclear power reliably and cheaply, advanced reactors, reactor history, energy.
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
Luke Horn @lukebro92.bsky.social Pro 🚀, pro ⚛️, pro 🚆, pro 🧪, pro 🚲, pro 🇺🇦, pro 🇪🇺
Humanity has not yet reached its full true potential, we can grow to be so much more, not fallen 👼, but rising 🐒
Hablo 🇳🇮; I speak 🇺🇸; Ich spreche 🇩🇪