Michael Villafranca @mcvillafranca.bsky.social Program Manager, Science Policy & Government Relations @agu.org 🌎🔭🏛️| Opinions are my own |📍Washington, D.C.
AGQ- Queer Affinity Group of the AGU @queeragu.bsky.social A community of Earth and Space scientists supporting LGBTQIA+ people and intersecting identities within the geosciences.
LinkTree: https://linktr.ee/queeragu
Marcus C Sarofim @marcusmarcusrc.bsky.social Climate scientist, ex-EPA. Writing climate science & policy at The Saraph Report. Saraph, my name's root, means fire, which is appropriate for climate work. Interested in books, food, and contra dancing when not obsessing over carbon.
Kenny Smith @kennysmith.org Adventuring with @laurensmith.bsky.social. Cyclist, reader, swimmer, diver, builder, blogger, voiceovers.
On the side: professor of communication studies.
https://www.kennysmith.org
AU-UAB-UA-SU-IU-RU
Eric Roston @eroston.bsky.social Butterflies and zebras and moonbeams and fairy tales. Literally wrote the book on carbon. Born 326.17. He/him. "Bleakly amusing." —A. Martine.
"The dad jokes will continue until morale improves." —Charlie Jane Anders.
Signal: eroston.87
Bloomberg Green
TantrumMerch.com @tantrummerch.com 🎮 Connecting creators & communities with unique merch! 🌟 Exclusive items, gaming events, & supporting charities 💻 Inquire here - http://tinyurl.com/merchapplication
Alessandra Quigley @alessandraquig.bsky.social PhD student in oceanography and climate science with Columbia University and NASA GISS
LabX @labx.org 
The Weather & Climate Livestream @wclivestream.bsky.social
50 hours for our future starting June 1st, 2026.
Working to #SaveAmericasForecasts through sharing the importance of weather and climate science. [Photo: NYTimes]
Learn more: wclivestream.com/
Mackenzie Weaver @mackenzieweaver.bsky.social PhD candidate at the University of Pennsylvania | Climate change researcher with interests in extreme weather, evolving natural hazards, and climate communication | she/her
Mann Research Group @mannresearch.bsky.social Dr. Michael E. Mann's research group at UPenn
climate variability and extremes | climate modeling | paleoclimate
https://web.sas.upenn.edu/mannresearchgroup/
Penn Climate @upennclimate.bsky.social Vice Provost for Climate Science, Policy, and Action
Email us to connect: climate@upenn.edu
Website: https://climate.upenn.edu/
Lauren Rosenthal @laurenthal.bsky.social Weather Reporter for Bloomberg News.
Previously at APM Reports, ProPublica/Electionland, North Country Public Radio, KUCB in Unalaska, AK (pictured above).
Views my own.
Email: lrosenthal21@bloomberg.net
Signal: lgrosen.03
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
Vivek Srikrishnan @vsrikrish.bsky.social Climate uncertainty and risk. Decision-making under deep uncertainty. Assistant Professor, Cornell Biological & Environmental Engineering. Cat caretaker, Tottenham and the Knicks until they kill me. https://viveks.me
Dr. Shaina Sadai @scienceshaina.bsky.social Climate scientist and critical physical geographer. Works on climate and sea level projections, corporate accountability, climate litigation, and climate justice.
Queer, disabled, vegan🌱🌈 She/her
Views expressed here are mine
Don Boesch 🇺🇦🇬🇱 @donboesch.bsky.social Using science to restore coastal ecosystems and limit and adapt to climate change. Emeritus Prof. @umces.bsky.social, Annapolis, Maryland, USA
Jeremy Bassis @bassisjeremy.bsky.social University of Michigan Glaciologist interested in climate change, ice sheets, sea level rise and equitable adaptation and mitigation | he/him/his |
Climate.us @climate.us We are an independent, nonprofit successor to Climate(.)gov, safeguarding public access to trusted climate data, tools, and information.
Donate: https://www.climate.us/donate
Gonéri Le Cozannet @goneri76.bsky.social Scientist at BRGM - Coastal impacts of sea-level rise and adaptation.
IPCC AR6 lead author, French Climate Change Commitee, editor for Earth's Future.
Cycling in Orléans, Paris and other places.
Posts = My own viens.
laitalageoscience @laitalageoscience.bsky.social Precambrian geology, sedimentology, planetary sciences. Following politics, geopolitics. Personal account: @jaakkojlaitala.bsky.social 🇪🇺🇫🇮
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
US CLIVAR @usclivar.bsky.social US Climate Variability and Predictability Program - Investigating the global climate system across multiple time scales emphasizing the role of the ocean.
Learn more at usclivar.org
The Yetee 🌈 🕊️ @theyetee.com The Yetee is a small online company that celebrates video games and pop culture with incredible artists and amazing merch.
We're here to tell stories and share art!
Other Social / New Releases: https://lnk.bio/theyetee
Established 2011
Black in a Flash! @blackinaflash.bsky.social Black in a Flash is a @gamesdonequick.com community for Black runners of all levels to meet in their speedrunning journey while showcasing and raising money for charity!
Join us at https://gdq.gg/baf
UP NEXT: Soul Train, Oct 6
Power Up With Pride @powerupwithpride.bsky.social Charity video gaming marathons to support LGBTQIA+ organizations!
https://powerupwithpride.org/
#PUWP2026 runs June 5-7, 2026, in support of Point of Pride!
Senator Andy Kim @kim.senate.gov Husband to my college sweetheart. Father to two troublemaking baby boys. U.S. Senator for New Jersey.
Account run by staff. Posts from Senator Kim signed –AK
Video Game History Foundation @gamehistoryorg.bsky.social Non-profit dedicated to preserving, celebrating, and teaching the history of video games. Our free digital archive is now open to the public! http://archive.gamehistory.org
Gregory G. Garner, PhD @gggarner121.bsky.social Data scientist - Climate and Agriculture
NOAA @noaa.gov NOAA provides science, service and stewardship to protect life, property & Earth's natural resources. An agency of the Department of Commerce. Join us on Instagram & Facebook. Official NOAA account.
NOAA Communications @noaacomms.noaa.gov News on weather, climate, oceans, fish, satellites, research & more from NOAA Communications. Official NOAA account.
NOAA Climate.gov @climate.noaa.gov Toward a Climate-Smart Nation. The official NOAA account for Climate.gov hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
@muppetmazz.bsky.social @muppetmazz.bsky.social 
@wengforgloucester.bsky.social @wengforgloucester.bsky.social 
@pitmandems.bsky.social @pitmandems.bsky.social 
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social Texas Medical Center (TMC) Pediatrics Professor-Vaccine Scientist-Author; Member, Philosophical Society of Texas, Texas Academy of Medicine Engineering Science Technology, National Academy of Medicine, American Academy of Arts and Sciences
Sen. Cory Booker @booker.senate.gov Proudly serving the people of New Jersey in the U.S. Senate. 
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
Frame Fatales @framefatales.com GDQ's All Women & Femmes Speedrunning Community
🔥 Flame Fatales 2026: September 13-19
Over $1M raised for charity since FF's inception in 2019 💜💛
framefatales.com
Rogue NASA @roguenasa.altgov.info Not an official NASA account. Come for the facts, stay for the snark.🥄
Same team from Twitter but with more gray hairs. 🚀🛰️🧪🔭
climate.nasa.gov
they/them
🏳️🌈🫶🏳️⚧️
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Tri-County Sustainability @tricounty.bsky.social Tri-County Sustainability (TCS) is the regional hub for the 101 towns, 1.2 million residents, and 10 legislative districts across Burlington, Camden, and Gloucester Counties. We are the largest environmental organization in South Jersey. Info@tcsahub.org
South Jersey Climate News @sjclimatenews.bsky.social Journalism students at Rowan University explore climate change on a local level.
Rowan University College of Science & Mathematics @rowancsm.bsky.social Glassboro, New Jersey
csm.rowan.edu
Sarah Fobes @sarahfobes.bsky.social 
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
Rowan University @rowanuniversity.bsky.social 
Aaron M. Barth @aaronbarth.bsky.social Assistant professor of glacial geology at Rowan University | Lead of the Rowan Cosmogenic Nuclide Laboratory
Lily Pfeifer @lilzrockz.bsky.social Assist Prof Geology @ Rowan U. | Sedimentology | Ancient Climates & Landscapes | Earth Systems 
Megan Lynn Ngo @meganlngo.bsky.social PhD Student at Rowan University | Paleo-ENSO, paleoclimate variability, ocean-atmosphere interactions, climate oscillations (they/them)
Lamis Abdelaaty @labdelaaty.bsky.social Assoc Prof of PoliSci • IR, Refugees • labdelaa.expressions.syr.edu • she/her • Views own, etc.
Andrea Koehle Jones 🌿 Author @andreakoehlejones.com 📚 Author of The Wish Trees & Don't Let Ned Plant a Tree There!
💚 Children's books that grow empathy, hope & care for the planet.
https://linktr.ee/andreakoehlejones #CanKidLit #BookSky
Dr Joanne Williams @jowilliams.bsky.social Sea-level and tidal scientist. Liverpool, UK.
Opinions own!
National Center for Science Education @ncse.bsky.social Fighting disinformation in the science classroom. ncse.ngo
Kim Wood @drkimwood.bsky.social Associate professor at UArizona. Hurricane mortician. Science communicator. Open science + Python + 🐈 enthusiast. This is my only bsky account. Opinions mine.
U.S. Global Change Research Program @usgcrp.bsky.social Advancing the science of climate and global change. Home of the National Climate Assessment and National Nature Assessment. Official account.
Alyssa Stansfield @astansfield.bsky.social Assistant Professor in the Department of Atmospheric Sciences at the University of Utah studying extreme weather and climate.
All opinions are my own
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
D.J. Rasmussen @climatequant.bsky.social Climate, Extreme Weather, Engineering, Statistics, Public Policy
🌍🌞🌧📊🔍
https://www.djrasmussen.co/
Sanne Muis @sannemuis.bsky.social Assistant Professor @ Vrije Universiteit Amsterdam | Senior researcher @ Deltares | Extreme sea levels, storm surges, coastal and compound flooding, climate attribution
Games Done Quick @gamesdonequick.com Video game marathons featuring high-level play by speedrunners raising money for charity. #AGDQ2027 January 3-10
Stuart G. Pearson @coastallycurious.bsky.social I like beaches. A lot. Canadian coastal researcher 🇨🇦 🌊 loving life in the Netherlands 🇳🇱 🚲 and following sand around🔎 Assistant prof @ TU Delft
Roger Freedman @rogerfreedman.bsky.social Physics educator at UC Santa Barbara, textbook author, and San Diego Comic-Con OG. he/him/his
Dave Klassen @drklassen.bsky.social Mars clouds scientist, physics and astronomy prof; Episcopal lay minister; genealogy, RPG, LotR, comics; he or they pronouns
Woods Hole Oceanographic Institution @whoi.edu We're the world's largest independent non-profit dedicated to ocean research, exploration, and education. Join us!
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
Meredith Welch-Devine @mwdevine.bsky.social Cultural / ecological anthropologist @ the University of Georgia. I study how people live in a changing climate. Passionate about the commons, mutual aid, and collective action; interdisciplinary and community-led work; scicomm
www.meredithwelchdevine.com
Professor Chuixiang (Tree) Yi at City University of New York @cyi12.bsky.social Earth resilience, tipping behavior, nonlinear thinking, stability analysis, climate change, photosynthesis, soil respiration, tree mortality, Fulbright Scholar
Dr. Stephen Bieda III @drwildcatwx.bsky.social #Meteorologist (PhD) | Deputy Director (acting), NOAA AI Center | @nws.noaa.gov Senior Advisor for Future Readiness | Punster | Meme-specialist | Gamer | Parent | Powered by #coffee ☕️
Drew Peltier @peltierdrew.bsky.social Drought, global change, and the temporal weirdness of trees.
Assistant Professor at UNLV
Southwest Climate Adaptation Science Center (swcasc.arizona.edu)
Drewpeltier.com
Opinions my own.
he/him/his
Dr. Diana Bernstein @drbernstein.bsky.social Climate Scientist (clouds, aerosols, ocean) || Assistant Professor @ University of Southern Mississippi || She/her
Isabelle Bond @isabellebond.bsky.social DPhil candidate | University of Oxford
Research Associate: Climate Change and (In)Security Project | University of Oxford & CHACR, British Army
Emerging Associate: National Security College | Australian National University
John Turnbull PhD @johnwturnbull.bsky.social Marine ecologist focusing on social-ecological systems, remote and protected areas; ROV, photogrammetry and UVC specialist; Reef Life Survey coordinator and Research Fellow at Uni of Sydney, www.marineexplorer.org
Dewi Le Bars @dewilebars.bsky.social Climate scientist at KNMI in the Netherlands. Maker of sea-level scenarios.
Interested in everything climate, vegan food, CrossFit, philosophy and good books.
I post in English, Dutch and French.
David Bapst @dwbapst.bsky.social Paleontologist, Graptolite Geek, R Programmer, creator of paleotree, Tabletop Roleplaying Game Nerd, Catcher of Pokémon, faculty senator. All comments are my trash opinion alone.
Corianne Tatariw @drtatariw.bsky.social Assistant Professor at Rowan University. Interested in how climate change impacts nitrogen cycling in muddy places. Lover of mystery novels, pumpkin spice, and trashy TV. she/her
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
Guy Walton..."The Climate Guy" @climateguyw.bsky.social Meteorologist for 30+ years who became convinced that man was causing climate change after Hansen's testimony in 88'. Author
of the kids' climate World of Thermo trilogy.
Peter Hannam @phannam.bsky.social Soon to be at the Climate Change Authority. Former economics corro for Guardian Australia, ex-enviro editor for SMH/Age.
Project Drawdown @projectdrawdown.bsky.social 🌍 The world’s leading guide to science-based climate solutions.
Visit www.drawdown.org to learn more
Luke Trusel @luketrusel.bsky.social Assistant Professor at Penn State. My research explores the interactions between Earth's ice sheets and climate system. ❄️🌤️
https://cryospherelab.org
Los Angeles Times @latimes.com News from a West Coast perspective.
Read more at www.latimes.com.
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
UCAR Center for Science Education @ucarscied.bsky.social Connecting educators, students, and the public to Earth science research conducted at NSF NCAR and UCAR.
#NSFfunded
scied.ucar.edu
Dr. Sarah Fortner @erthsarah.bsky.social Climate mitigation, adaptation, and environmental justice through education, research, action and advocacy. Explorer.
Dr Georgy Falster @raindrop-herder.bsky.social mildly misanthropic swimming skiing scientist. climate & paleoclimate, co-lead PAGES2k https://pastglobalchanges.org/science/wg/2k-network/intro. person of european descent, born on Kaurna land. she/her
Mary Bourke @megafloods.bsky.social Professor in Geography, Trinity College Dublin, Ireland. Geomorphology, Nature-based Solutions, Hazards, Floods, landslides, Rock Coasts, Coastal Erosion, Science Communication.
https://earthandplanetary.wordpress.com
Eric Holthaus @ericholthaus.com Meteorologist for REBUILD.US based in Minneapolis. Contributing climate journalist for The Guardian. Author of The Future Earth. Optimistic to a fault.
DM to contact me securely on Signal
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
Harold C. Connolly Jr. @chondrule.bsky.social An OUT explorer of space, time, and the human experience (and chondrules too)! Geology rocks! Still a Vorlon at heart: One moment of perfect beauty. 
Gerard McCarthy @germac.bsky.social Irish Oceanographer working on Atlantic Overturning & Irish sea level. Husband & Dad. He/him
Christopher Hein @coastalgeology.bsky.social Scientist/teacher at VIMS/W&M. Part-time rower. Generally focused on Holocene coastal processes. he/his
Web: www.vims.edu/coastal_geology
Profile photo: Parramore Island, VA [At Altitude Gallery (https://www.ataltitudegallery.com/), with permission]
Alejandra Borunda @alejandrabee.bsky.social Reporter @NPR covering climate change and human health. Formerly @NatGeo, @LamontEarth. On Signal at @alejandra.02
Matt Hoffmann @matthoffmann.bsky.social Professor of political science at the University of of Toronto, been studying global climate change politics for 30 years--focused on decarbonization, just transition, and storytelling.
Flora Graham @floragraham.bsky.social I write the Nature Briefing, a daily email for Nature (@nature.com) about all the science, which I hope you will enjoy.
Nathan Mueller @muellern.bsky.social Associate Professor @ Colorado State University // Agricultural Sustainability and Climate Impacts Lab // EiC @ Environmental Research: Food Systems // Personal account // ascilab.colostate.edu
Sustainable Montclair @sstnblmntclr.bsky.social Grassroots advocacy for people, planet, pollinators in Montclair, NJ
Michelle Ma @michellema.bsky.social Reporter @bloomberg.com | I cover all things climate tech | Read my stories: https://www.bloomberg.com/authors/AWTYlfwjEUk/michelle-ma | mma304@bloomberg.net | She/her | Opinions mine | Based in LA
Skeptical Science @skepticalscience.bsky.social Non-profit science education organization building public resilience against climate misinformation. More at http://sks.to/welcome
Cathleen O'Grady @cathleenogrady.bsky.social Science journo, mainly at @science.org, writing about science & society, research integrity, and other places where the scientific rubber hits the road.
cathleenogrady.com