Sera: EaSp @seraeasp.org Sera: Earth & Space Initiative (Sera: EaSp) is an independent pursuit of research and discovery focused on Earth and Space.
Group on Earth Observations @earthobservations.bsky.social 🛰️ Translating Earth Intelligence with global collaboration. 
The Spaceshipper 🚀 @thespaceshipper.com "One of the great film nerd Twitter accounts" - Vanity Fair
99% space fiction (licenses) and its creation.
Here are all my accounts: http://linktr.ee/thespaceshipper- S SpaceNews [Unofficial] @spacenews.com.web.brid.gy Business. Politics. Perspective. SpaceNews is the most trusted and comprehensive source of news and analysis of the companies, agencies, technologies and trends shaping […]
🌉 bridged from 🌐 https://spacenews.com/: https://fed.brid.gy/web/spacenews.com
Microsoft @microsoft.com AI, Cloud, Productivity, Computing, Gaming & Apps ☀️
Copernicus ECMWF @copernicusecmwf.bsky.social The #CopernicusClimate Change Service (#C3S) & #CopernicusAtmosphere Monitoring Service (CAMS), implemented by @ecmwf.int on behalf of the @ec.europa.eu.
Max Roser @maxroser.bsky.social — Founder of Our World in Data
— Professor at the University of Oxford
Data to understand global problems and research to make progress against them.
Mike Caulfield @mikecaulfield.bsky.social Author: Verified: How to Think Straight, Get Duped Less, and Make Better Decisions about What to Believe Online (University of Chicago Press).
Researcher, infolit/misinfo/rhetoric/civic reasoning. Currently researching AI as tool for critical thinking.
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.
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
Saloni @scientificdiscovery.dev Co-founder & editor, Works in Progress. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, Coefficient Giving.
Newsletter: https://scientificdiscovery.dev
Podcast: https://harddrugs.worksinprogress.co
🏳️🌈
Emily Liu @emilyliu.me this bio is left as an exercise to the reader
🌱 emilyliu.me
BeijingPalmer @beijingpalmer.bsky.social Deputy editor at Foreign Policy, China nerd, gaming nerd, reads a lot. Never again a country without consequences.
Eric Deggans @edeggans.bsky.social Knight Professor of Journalism and Media Ethics at Washington&Lee U. Critic at Large, NPR. Blerd. Drummer. Author: Race-Baiter: How the Media Wields Dangerous Words to Divide a Nation. Substack: Switching Codes
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
David Dayen @ddayen.bsky.social Executive editor, The American Prospect. Author, Chain of Title and Monopolized. Tips at ddayen-at-prospect-dot-org or Signal at ddayen.90
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
Helen Czerski @helenczerski.bsky.social Physics, bubbles, oceans, hot chocolate and curiosity. Professor at UCL, writer, broadcaster. Author of Storm in a Teacup and Blue Machine https://linktr.ee/helenczerski Co-host of BBC Radio 4's Rare Earth
Dr. Sarah Parcak @indyfromspace.bsky.social Professor, Archaeologist, Egyptologist, Award-winning writer of books, Dad joke lover, mom, rabble-rouser academic. Owned by cats. she/her 
Lora Kolodny @lorak.bsky.social reporter at cnbc.com. email: lora.kolodny@cnbc.com - ex-wsj, techcrunch & all over. i cover: elon musk cos. mostly tesla & spacex (some climate tech). my posts here are my own. optimistic on the inside. dm me on signal: lorakolodny.55
Ketan Joshi @ketanjoshi.co Hey, I'm a climate and energy writer / data analyst who focuses on corporate + govt accountability
Creator + curator of the Greensky feed: https://ketanjoshi.co/greensky/
Based in Oslo but write about US, Europe, Aus too - ketan.joshi85@gmail.com
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Eric Topol @erictopol.bsky.social physician-scientist, author, editor
https://www.scripps.edu/faculty/topol/
Ground Truths https://erictopol.substack.com
SUPER AGERS https://www.simonandschuster.com/books/Super-Agers/Eric-Topol/9781668067666
Get To Know Nature @gettoknownature.bsky.social Fascinated by nature: birds, frogs, beach, sky & more. All media by me w/ a long lens. No AI! Lots of nature goodness here & on YouTube & Patreon. (In PA, USA)
Mini nature documentary every Saturday. https://www.youtube.com/gettoknownature
molly taft @mollytaft.com disaster dyke on the apocalypse beat @wired.com . very tall with a very short dog. they/them. molly_taft@wired.com, signal: @mollytaft.99. mollytaft.com
Jonathan M. Katz @katz.theracket.news THE LEGEND OF SKOKIE coming April 2027. Author of GANGSTERS OF CAPITALISM and THE BIG TRUCK THAT WENT BY. Subscribe to my newsletter: http://theracket.news | Signal: jmkatz.18 | @KatzOnEarth on TikTok & Insta | Avi by @mollycrabapple.bsky.social
Annalee Newitz @annaleen.bsky.social bestselling author * Hugo winner * nerd
latest books: A Wall Is Also a Road, Automatic Noodle, We Will Rise Again
bylines: New Scientist, Flaming Hydra, etc.
pronouns: they/them
all the stuff: www.techsploitation.com
Joe Weisenthal @weisenthal.bsky.social Cohost of The Odd Lots Podcast
Singer and guitarist in Light Sweet Crude
Brian Schatz @schatz.bsky.social United States Senator for Hawaii. Climate hawk. Chief Deputy Whip. 
Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social I am a marine conservation biologist studying sharks and a science writer. Posts are about science and the environment, science communication, and more! He/him
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
Olúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social DC. political philosopher at Georgetown, editor at @hammerandhope.bsky.social, rhythm guitarist + vox for @femiandfoundation.bsky.social. #COYS
Joshua J. Friedman @joshuajfriedman.com Welcoming media and government (and everyone else!) to Bluesky.
Formerly of The Atlantic, Boston Review.
Craig Newmark @craignewmark.bsky.social #nerdpatient0
craigslist founder
https://craignewmarkphilanthropies.org/
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Senator Ron Wyden @wyden.senate.gov U.S. Senator for Oregon. Rotisserie chicken enthusiast. Senate’s resident privacy hawk.
senatefinance.bsky.social
wydenpress.bsky.social
Matt Binder @mattbinder.bsky.social Subscribe:
disruptionist.com
youtube.com/mattbinder
Yoel Roth @yoyoel.com Internet sanitation enthusiast and full-time corgi wrangler.
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Randall Munroe @xkcd.com 
Ed Yong is offline @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
📷 Canon R6mkii + RF 800mm
Edyong.me
Anil Dash @anildash.com the internet's uncle • waging a victorious 2-front war against cars and christmas • big fan of being a big fan of things • go read https://anildash.com
Chris Hayes @chrislhayes.bsky.social Bronx boy. Cubs fan. Dad, husband, writer, podcaster and cable news host.
The Sirens’ Call: How Attention Became the World’s Most Endangered Resource out now.
https://sirenscallbook.com/
Andy Revkin 🌎 ✍🏼 🪕 ☮️ revkin.substack.com @revkin.bsky.social 40 years of prize-winning sustainability journalism, mostly @nytimes, #sustainwhat webcaster https://revkin.substack.com, #Anthropocene Working Group member, solution seeker, songwriter https://j.mp/revkinlinks
The National Academies of Sciences, Engineering and Medicine @nationalacademies.org Providing expert advice on some of the most pressing challenges facing the nation and world. Non-partisan. Non-profit. https://nationalacademies.org
National Academy of Medicine @nam.edu Health for everyone, everywhere.
Independent, evidence-based advisor in biomedical science, health, medicine, & related policy.
PNAS Nexus @pnasnexus.org Discover groundbreaking news and research from PNAS Nexus, the sibling journal to @pnas.org - both official research journals of the U.S. National Academy of Sciences. Visit www.pnasnexus.org for more information.
TRB @trb.org The Transportation Research Board, part of the National Academies of Sciences, Engineering, and Medicine, provides leadership in transportation. Home of #TRBAM
LabX @labx.org 
Issues in Science and Technology @issuesinst.bsky.social 
Climate at the National Academies @climate.nationalacademies.org #Climate-related activities of the National Academies of Sciences, Engineering, and Medicine / @nationalacademies.org retweet ≠ endorsement
Proceedings of the National Academy of Sciences @pnas.org Explore groundbreaking news and research from PNAS, one of the world's most-cited scientific journals. Discover its sibling journal, @pnasnexus.org, both official research journals of the U.S. National Academy of Sciences. Visit www.pnas.org for more info.
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.
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 MacFerrin @icesheetmike.myatproto.social Dr in glaciology and expert mapper of coastal topography at a Cooperative Research Institute. An organizer for disability rights in science, which mostly involves yelling at agencies. Science is the easier part of my work. #T1D
Mike Dettinger @mdettinger.bsky.social Water/environ/climate news & occasional bespoke data maps/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 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
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
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!