Shawn Otto @shawnotto.bsky.social Writer, scicommer, builder, entrepresomething, nonprofit founder, campaign mgr, dad, disinfo battler, climate doer. Posting about science, politics and writing. https://shawnotto.com
Dani cRabaiotti 🦀 @danirabaiotti.bsky.social Dr of Zoology
Data Scientist
Science feed co-creator
NYT bestselling author of #DoesItFart🐢💨
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
Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com
Rebecca Leber @rebleber.bsky.social investigating fossil fuel industry. board member of Society of Environmental Journalists.
Murshed Zaheed @murshedz.bsky.social Stratcomms ▶️ @pacificastrategies.bsky.social | Priors include: Sen. Harry Reid; Rep. Louise Slaughter; Common Cause; CREDO Mobile | Live & breathe UCLA & Manchester United w/ a hearty side of 49ers. #GoBruins #GGMU #FTTB | Repost or like =/= endorsement.
Infectious Disease Tracker @hmpxvt.bsky.social Infectious disease news.
Sharing reports on outbreaks, from bird flu to Ebola.
Now on Substack :)
https://outbreakanalyst.substack.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
Matt Browner Hamlin @mattbh.com Arsenal fan & creator of the Arsenal+ & #Arsenal on BlueSky feeds
Geoffrey Supran @geoffreysupran.bsky.social Professor of Environmental Science & Policy and Director of Climate Accountability Lab at University of Miami's Rosenstiel School of Marine, Atmospheric, and Earth Science.
Investigating Big Oil's climate propaganda. Formerly Harvard, MIT, Cambridge.
Dana R. Fisher (aka the Apocalyptic Optimist) @fisherdanar.bsky.social Director, Center for Environment Community, & Equity and Professor, AU | NonRes Sr Fellow, Brookings | IPCCWG3 AR6 | www.danarfisher.com | TED Talk on being an Apocalyptic Optimist : go.ted.com/danarfisher
Climate and Community Institute @cplusc.bsky.social Climate and Community Institute is a progressive climate and economy think tank. We work with movements and progressive policy makers to pass new policy, improve implementation, shift narratives, and deepen coalitions. 🌱 http://www.climateandcommunity.org
Silvio Marcacci @silviomarcacci.bsky.social Senior Director of Communications, @energyinnovation.org. Board Advisor, @theicct.org + @co2bc.bsky.social. Tired dad.
Rage, rage against the dying of the light.
Miles Grant @milesgrant.bsky.social Progressive, climate hawk, YIMBY, baker, dad. Current: Advocacy communications, Fairhaven Planning Board, SouthCoast Places for People. Past: TV news producer, CREW, NWF, Blue Mass Group. https://donorbox.org/miles-grant-for-fairhaven-select-board
Ross Macfarlane @rossmacfarlane.bsky.social Advocate for democracy, climate action, & environmental justice. Board Chair with Way to Win Action Fund & Director with Sierra Club Foundation & Clean Energy Transition Institute, but takes here are only my personal views.
Emily Johnston @enjohnston.bsky.social Climate, writing, running, beasts. Valve turner. Host: https://sites.libsyn.com/459540/awabw
poetry: https://www.hummingbirdpoetry.org/books/her-animals-by-emily-johnston-2nd-ed
Making good trouble: troublemakerscommunity.org
Charles Bergquist @cbquist.bsky.social Director and senior producer at Science Friday, a public radio science program. Ask your doctor if SciFri might be right for you. Restrictions apply.
Senator Sheldon Whitehouse @whitehouse.senate.gov U.S. Senator from Rhode Island, the Ocean State.
https://linktr.ee/senwhitehouse
Karen James @kejames.bsky.social Environmental geneticist & outdoorswoman into eDNA, botany, evolution, space, sci-comm, skiing, Outlander & kindness • auntie • cat mom • she/her
“I would teach my feet to fly”
Banner art by @truelovebirch@bsky.social
📍Unceded Wabanaki land (aka Maine)
Jeff Hauser @jeffhauser.bsky.social Personal account. Run Revolving Door Project (@revolvingdoordc.bsky.social). https://revolvingdoorproject.substack.com #LUFC
Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
RL Miller @rlmiller.bsky.social Just like Twitter? #Incendiary. #Divisive. #Disruptive. #Winning. Pro-climate, pro-democracy, anti-fascist. Founder,
@climatehawkvote. DNC delegate 2020-24. Chair, California Democratic Party's environmental caucus.
Avi Lewis @avilewis.ca Leader of Canada’s NDP / Le chef du NPD fédéral
https://linktr.ee/avi.lewis
Duncan Meisel @duncanwrites.bsky.social Writing, organizing, climate, politics, Texas, etc. 
Jodi Jacobson @jljacobson.bsky.social Lifelong advocate for human rights (*for EVERYONE), public health, evidence-based policy. Jewish. Intolerant of lying, hatred, and denialism. Entrepreneurial non-profit leader. Writer/editor. Mom of two amazing kids and two very, very good dogs.
Emily Sanders @emdashsanders.bsky.social Covering fossil fuel disinfo & climate accountability for a reporting project of the Center for Climate Integrity. read/subscribe at exxonknews.org; new details to come. signal: @emilysanders.91
she/her
Karin Kirk @karinkirk.bsky.social Geologist, skier, science journalist for Yale Climate Connections. Former Earth and climate science writer for NASA, but our federal govt decided these topics are threatening to them. More determined than ever to keep pushing for climate solutions.
Robin Chase @rmchase.bsky.social sustainable urban transportation. Co-founder Zipcar, NUMO #climate #cities #transport #justice #bikes. Also knitter, gardener, parent
David Atkins @davidoatkins.bsky.social Contributor @washingtonmonthly.com. Bylines @theprospect & elsewhere. Elected DNC Member from CA. Progressive reformist. Dad of two. I run a qualitative research firm.
Union of Concerned Scientists @ucs.org The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems.
ucs.org
David Fenton @dfenton.bsky.social Host of The Fenton Forecast podcast, author of The Activist’s Media Handbook: Lessons from 50 Years as a Progressive Agitator fentonforecast.com
David Turnbull @dturnbull.bsky.social Supporting strategic communications to win the climate fight. Board member, @joindayenu.bsky.social & @BreachCollectiv.bsky.social
Philipp Markolin @philippmarkolin.eurosky.social Science blogger and communicator:
www.protagonist-science.com
My investigative book about the COVID-19 origin controversy and manipulation campaigns about it can be found here:
www.lab-leak-fever.com
Ryan Madden @ryanjmadden.bsky.social (He/him)
Climate & Indigenous Solidarity organizer
Brooklyn based
Jorge Salazar @jorgesalazar.bsky.social Science Writer at the Texas Advanced Computing Center, UT Austin. Podcaster, photography. https://tacc.utexas.edu/
Marc Weiss @marcnweiss.bsky.social Dad, climate justice organizer and media producer. NY Renews co-founder and steering committee member. Creator, P.O.V., Web Lab. Let’s nourish hope.
Jessica Corbett @corbettjessica.bsky.social @commondreams.org senior editor | freelance writer & fact-checker: http://jessicacorbett.com | Ithaca College ’15 (she/her)
Drew Hudson @wealsoherdcats.com Herder of cats and wrangler of monkeys. Tweets here are my own thoughts and RTs do not imply endorsements or the promise of free drinks.
Michael Tobis (mt) @mtobis.bsky.social PhD atmospheric/oceanic sciences 1996 but a bit rusty.
Opinionated.
Main topics: climate, sustainability, Canada, AI and ML, journalism.
Also: roots music, art, healthy plant-based food.
Please think like a planet!
https://initforthegold.blogspot.com
Daphne Wysham @daphnew.bsky.social Washington State Senior Campaigner, Food & Agriculture, Friends of the Earth, foe.org
Co-Coordinator, MethaneEmergencyBrake.org
Founding CEO, Methane Action: MethaneAction.org
This Land Board Chair: ThisLand.earth
Maria Langholz @marialangholz.bsky.social some mashup of dogs, marathoning, climate & politics
John Mashey @johnmashey.bsky.social Semi-retired computer scientist, ancient UNIXer, "Big Data"
https://en.wikipedia.org/wiki/John_Mashey
Last 20 yrs: chasing anti-science disinfo, esp. on climate or tobacco, helping defend scientists.
Supporter of UCSF, CSLDF, NCSE, CSI, member AAAS, AGU.
Andrea Kuszewski @andreakuszewski.bsky.social Cog Scientist, Behavior Therapist, Science Writer, Artist
•Intelligence •Creativity •Sociopathy
•X-Altruism @DiscoverMag @SciAm @WiredUk & others
SF->Milwaukee I❤️🐶🐿️
Insta akuszewski_mother_of_yorkies
Twitter: @AndreaKuszewski
http://AndreaKuszewski.com
Elizabeth Bast @esbast.bsky.social Executive Director @oilchange.bsky.social. Posts my own. Working to wind down fossil fuels for a more environmentally and socially just world. Nature photos for grounding. 🌲
Brian Mills 🍁 @preambulator.bsky.social A former Petroleum Geologist, now obsessed with trying to find truth in journalism and politics, and performing arts that make a real difference for folks. I volunteer lots too!
Erin Cadwalader @erincadwalader.bsky.social policy wrangler 🪄 recovering scientist ⭐
fierce Badger 🏈 insect evangelist 🪲 part 🐠 & part 🐐 say hi to your dog from me 😍
Apoorva Joshi, Ph.D. @apoorvaj.bsky.social Researcher & Communicator: I design & operationalize research in science/risk/visual communciation, human-centered design, & behavioral science, making decision support products more effective amid shifts in media, tech, & science literacy.
Also: 🐶 + 👩🏻🌾 = 😇
Tenney @tenneynaumer.bsky.social Pro Ukraine, unofficial NAFO, Certified Fraud Examiner, CPA, confirmed atheist, blogger Climate Change: The Next Generation. (If I do not know you and you send a DM, you will be blocked.)
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Sheril Kirshenbaum @sheril.bsky.social Scientist. Author. Host of PBS Serving Up Science. www.sherilkirshenbaum.com
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
National Association of Science Writers (NASW) @sciencewriters.org Fighting for the free flow of science news since 1934. A 501(c)(6) professional membership organization.
💚 https://www.nasw.org
🎟️ https://www.sciencewriters2025.org
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
Naomi Oreskes @naomioreskes.bsky.social Historian, Earth Scientist, Writer, Public Intellectual.
Books: Merchants of Doubt; The Collapse of Western Civilization; Science on a Mission; Discerning Experts; Why Trust Science?; The Big Myth, all in many languages.
@bluegreensonia.bsky.social @bluegreensonia.bsky.social 
Josh Halpern trading as @elirabett.bsky.social Chemical physics, climate change, blogger, deep into open teaching resources. Former bunny (pronouns Thou/Thee)
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Paul Huttner @paulhuttnerweather.bsky.social Retired MPR News chief meteorologist. Weather, guitars, and sunsets make me happy.
Paul Douglas @pdouglasweather.bsky.social Minnesota meteorologist and serial entrepreneur, tracking climate-fueled weather extremes. Author: “Caring For Creation” and “A Kid’s Guide to Saving the Planet”
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
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
Jennifer Ouellette @jenlucpiquant.bsky.social I cover science and culture at Ars Technica. Former science editor, Gizmodo. Ex-vangelical. Rodeo fan. Married to @seanmcarroll, servant to two cats: Ariel and Caliban. Baltimore, MD. She/her.
Jennifer Francis PhD @jfrancisclimate.bsky.social Senior Scientist @Woodwell Climate Research Center in Falmouth MA USA. Researching connections between the climate crisis and extreme weather, avid science communicator.
JenniferAFrancis.com
Personal: Sailor, mom, scuba diver...BE NICE
Jonathan Koomey @jgkoomey.bsky.social Climate solutions, information technology, critical thinking skills. Born at 318 ppm. https://www.koomey.com
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Joanne Manaster @sciencegoddess.bsky.social Book lover, university biology educator, STEM advocate. Increasing your science TBR pile since 2008. Mother of 3 earth scientists & one high school teacher 🧪📚💙
Read Science! https://www.facebook.com/ReadScience
Website: http://joannelovesscience.com
Stephan Lewandowsky @lewan.uk Professor of Cognitive Science, University of Bristol. Homepage: https://www.lewan.uk
Mark Boslough @boslough.bsky.social Physicist, airburst specialist, planetary defender, & CSI Fellow. I'm critical of the Younger Dryas impact hypothesis (YDIH) which has strong links to global warming denial, creationism, & pseudoarchaeology. It relies on misinformation & fake peer review. 
Katherine Bagley @katbagley.bsky.social Editor-in-chief at @grist.org. Climate journalist. Sleep-deprived mom. Mint chip ice cream enthusiast. Views expressed are my own.
Alan Boyle @b0yle.bsky.social Science editor / GeekWire / Universe Today / Cosmic Log / Fiction Science podcast / The Case for Pluto
Hank Campbell Science 2.0 @science2-0.bsky.social I founded Science 2.0 and it's been read by 300,000,000 directly with reach and syndication over one billion. I'm also a best-selling author and published in everything from Wall Street Journal to GQ in Korea.
New book: Halloween Science 2.0, out now.
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
DeSmog @desmog.com Clearing the PR pollution that clouds climate science.
Michael Osterholm, PhD, MPH @mtosterholm.bsky.social Director, @cidrap.bsky.social
🎧 Host of the Osterholm Update podcast: https://www.cidrap.umn.edu/osterholm-update
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.
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). Also on Mastodon. @petergleick@fediscience.org. Email me at pgleick (at) gmail.
Kurt Gray @kurtjgray.bsky.social Prof at UNC, studying morality, religion, AI.
Director: Deepest Beliefs Lab; Center for the Science of Moral Understanding.
Author: The Mind Club; Substack; forthcoming book
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Dana Nuccitelli @dananuccitelli.bsky.social Research Manager for @cclusa.org, environmental scientist, climate journalist for @climateconnections.bsky.social. Views my own.
Alex Turnbull @alexbhturnbull.bsky.social Opticore CFO / Energy things with ANU
syncretica.substack.com
https://scholar.google.com/citations?user=1Vg7PNIAAAAJ&hl=en
Michiel Berk @michielberk.com Here to connect with people, not company pages.
<insert interesting bio here>
Arvid Kahl @arvidkahl.bsky.social Building https://podscan.fm so that people and brands can track their mentions on podcasts.
I write, podcast & make videos in public. Calmly.
Bootstrapping: https://arvid.link/sold
Audience-First: https://arvid.link/embedded
Audience-Building: https:
Pete Codes @petecodes.bsky.social Ghostwriter and SEO writer for hire 💰
I write the High Signal newsletter
Follow me for bootstrapper news, interviews with founders and build in public updates
highsignal.io/newsletter/
petecodes.io
I can't read my DMs here
Mubashar “Mubs” Iqbal @mubashariqbal.com Sign up for my newsletter 👉 http://sideprojectmvp.com for tips & tricks from someone who has built 120 side projects (https://iworkedon.com/@mubashariqbal).
🏡 - https://mubs.me
Amit @amirgal.bsky.social Senior AI Engineer @IKSHealth
Former Founding Engineer @ThinkDTM
Former Engineer @PayPal
Richard | Notemation @notemation.com Solopreneur. Programmer. Notion Creator.
https://besttimetopost.blue
https://ecommerce.compare
https://habitflix.com
http://templatelift.com
https://notemation.com/notespector
Notion templates
All my projects → https://notemation.com
Jorin @jorin.me Open Source Data Dashboards + Embedded Analytics, powered by DuckDB: https://taleshape.com
Rhys @rhyskentish.bsky.social 🧑💻📲
Currently building touchgrass (touchgrass.now) an app blocker where you literally have touch grass to unblock them
Other builds:
- https://apps.apple.com/gb/app/beatstride-running-playlists/id6478407630
- https://topblueskyfollowers.com
Henry Doce @hendo12.bsky.social Building Umbral for iOS: a sleep paralysis support app. Daily grounding, binaural audio, a voice journal tailored for 3am, episode & lucid dream tracking, and insights that show you your patterns.
Justin Jackson @justinjackson.ca Internet stuntman 🤸♂️ justinjackson.ca
⚡ Bootstrapping, SaaS, podcasting, calm companies
🎙️ Co-founder of Transistor.fm (podcast hosting).
Ryan King @ryki.bsky.social Bootstrapping www.coincraft.co
Alex Kovalev @raykovalev.bsky.social Founder 💡 | Building https://pulsecare.cloud/ in public 🚀 | Real-time monitoring for performance, reliability & web vitals.
philip @heltweg.org Freelance Technical Product Manager & Engineer · PhD Computer Science · Founder at isselthal industries | Visit https://heltweg.org & https://isselthal.industries/ :)
Thibault Le Ouay Ducasse @thibaultleouay.dev Building openstatus.dev 🔥
Andras Bacsai @heyandras.dev Entrepreneur, 2 x dad, 💜 OSS & simplicity.
- https://ideas.coollabs.io - share your ideas worth building
- https://coollabs.io
- https://coolify.io
- https://jean.build
Dominic Monn @dmonn.com Founder of MentorCruise.com – I like to build difficult things.
David @dskeppstedt.se Software engineer and aspiring lifestyle business entrepreneur.
Building https://magicalbum.link. Part of the podcast https://skeppakod.se (🇸🇪)
Ben Robertson @ben.robertson.is independent software developer and solopreneur
building colorbliss.com and other fun projects
writing about it at ben.robertson.is