Alt CDC (they/them) @altcdc.altgov.info Public health experts resisting harmful policies, fighting disinformation, and defending public health from within.
Not official CDC—but close enough for transmission.
Proudly #AltGov
Tips? signal altCDC.99, email altCDCtips@proton.me or DM
Avis Favaro @avisfavaro.bsky.social Health Journalist 🇨🇦 Contributor CTVNews
Host Canadian Institute for Health information Podcast, contributor to Santis Health
But mostly a professional hypochondriac
Jan Rosenow @janrosenow.bsky.social Professor of Energy & Climate Policy at University of Oxford
Energy Programme Leader at ECI, University of Oxford
Senior Research Fellow at Oriel College, Oxford
Senior Associate Institute for Sustainability Leadership, University of Cambridge
Paul Lehmann @plehmann.bsky.social Environmental Economist at @unileipzig.bsky.social and @ufz.de | Working on the economics of sustainability transitions
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
Governor Jared Polis @colorado.gov Colorado Governor. Fighting for affordable health care, better education, an economy that works for everyone, and protecting our Colorado way of life.
https://www.colorado.gov/governor/
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
Ground Truth Forest News @groundtruth.app Evidence-based forest news.
The truth lies in the numbers. So where’s all the tree data?
Join us as we try to find out 🔍
groundtruth.app
The Nature Conservancy @nature.org Together, we can create a world where people and nature thrive. 🌍💚 Subscribe for real-world solutions to our planet’s biggest challenges: nature.ly/GlobalInsights
Josh Kaplan @josh-kaplan.bsky.social ProPublica reporter | Email me at joshua.kaplan@propublica.org | Contact info & stories here: propublica.org/people/joshua-kaplan
Paul Dempsey @pmdempsey.com Tech journalist. DC-based again after a decade in Asia. Occasionally cranky. Too much #AI, #semiconductors, #EDA, socmed, climate and way too much Sino-US rivalry. Dogs, horses and #MUFC. #COYBIG
Did some footy finance thing many moons ago.
Marty McGuire, NASA JPL Solar System Ambassador @backyardastroguy.bsky.social 🪐 NASA Solar System Ambassador
🔭 Amateur Astronomer
🚀 BackyardAstronomyGuy.com
📍Bethlehem, Pennsylvania USA
Ben Collins @bencollins.bsky.social Sister Spreadsheet
New Scientist @newscientist.com The best place to find out what’s new in science – and why it matters.
Chris Geidner @chrisgeidner.bsky.social Subscribe to www.lawdork.com for SCOTUS and other legal news. / lawdorknews@gmail.com / Signal: crg.32 / About me: Sober. Queer. Bipolar. Theater. Buckeye. And, now, F1. (I'm as surprised as you are.) / He/him.
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...😜
Neil Gaiman @neilhimself.neilgaiman.com Makes things up. Writes them down. Dreams about growing up but not yet. 
Patton Oswalt @pattonoswalt.bsky.social Writing and yelling. 
Jon Cryer @mrjoncryer.bsky.social No kings
Actor/Producer he/him- J @jerms12.bsky.social @jerms12.bsky.social
Leilani Münter @leilanimunter.bsky.social Small herbivore from America living in New Zealand. Spending my brief time on Earth trying to save the wild things. I used to drive race cars.
World Economic Forum @weforum.org The international organization for public private cooperation. #wef25
Eric Pooley @ericpooley.bsky.social here’s my clean tone
Gary Whitta @garywhitta.bsky.social Writer. Rogue One, The Book of Eli, Star Wars Rebels, Batman, The Walking Dead, Gundog etc #COYS
Ellyn Mortimer @ellynmortimer.bsky.social A Minnesota girl living the Maui dream
Nick Hedley @nickhedley.bsky.social Editor of The Progress Playbook: https://theprogressplaybook.com
We focus on proven climate and sustainable development solutions.
Email me for collaboration opportunities: nick.hedley@theprogressplaybook.com
Brett Rounsaville @brettville.bsky.social Again? You may remember me from such profiles as: @amtrekker
http://yesmoreandco.com
Heidi Przybyla 🎤✍️ @heidireports.bsky.social Award-winning print, digital and TV investigative journalist
Pls sign up on my site: www.heidireports.com
"If you can make people believe lies are the facts, then you can control them."
(Maria Ressa, Nobel Peace Prize Winning Journalist)
Tips: 571 375 894
Seth W3 @damnameneus.bsky.social 
John Green @johngreensbluesky.bsky.social Author (The Fault in Our Stars, The Anthropocene Reviewed, etc.)
YouTuber (vlogbrothers, Crash Course, etc.)
Football Fan (co-owner of AFC Wimbledon, longtime Liverpool fan)
Opposed to Tuberculosis
Sam Bentley @sambentley.bsky.social Good news and climate solutions you may not have heard about!
Kristen Johnston @thekristenjohnston.bsky.social Actress writer dog freak
Eric Rosenberg @ericrosenberg.bsky.social Finance and technology writer, speaker, and consultant based in Ventura, California. Husband, dad, Cub Scout leader, computer nerd.
https://Eric.Money
Jarrett J. Krosoczka @studiojjk.bsky.social 💬Graphic Novelist
📙 Lunch Lady • Hey, Kiddo
📕 Star Wars • Crayola • Marvel
▶️ Process & Creative Career Tips
🍎 Classroom Resources
Jon Loomer @jonloomer.com Man, I don’t know. Just saying stuff and trying to hang on. Meta advertising, content marketing, business ownership. Fatherhood and baseball.
Brian Clark @brianclark.social Writer, traveler, entrepreneur. Chilling on Panama's Pacific Riviera.
Former projects acquired: Copyblogger, Rainmaker, StudioPress.
further.net
Marc Elias @marcelias.bsky.social Founder @democracydocket.com. Chair of Elias Law Group. My dog's name is Blue.
Paul Behrens @profpaulbehrens.bsky.social Prof at Oxford Martin School working on food, energy, and climate change. Book: The Best of Times The Worst of Times: Futures from the Frontiers of Climate Science http://shorturl.at/lzCTZ
#ClimateChange #ClimateAction 
Alexander J. Stein @ajstein.bsky.social Agricultural economist, PhD. Curating and sharing research and evidence-based information on food, health, technology & sustainability. More about me: www.AJStein.de. Moderated private account. Posts + Likes ≠ endorsements. German: ajstein-de.bsky.social
Suzi Gerber, PhD @chefsuzigerber.bsky.social Food, nutrition & behavior scientist 👩🏽🔬— Chef — Author of 📚 Plant-Based Gourmet 👩🏽🍳— Protein diversification — Team Fiber 🌱🫘— “something of a food polymath” (Feed the People)— Research Prof at Tufts and George Mason. Opinions=mine.
Gabrielle Carmine, Ph.D. @gabbycarmine.bsky.social Postdoctoral Fellow at Georgetown, Earth Commons
PhD in Marine Science & Conservation @duke-mgel.bsky.social
Marine sustainability scientist working in Geospatial Ecology, High Seas Fisheries, Ocean Conservation & Governance
Nicholas D Carter @nicholasdcarter.bsky.social 🌳 Director of Environmental Science at Game Changers 2.
🌎 Research Fellow at Project Drawdown: climate solutions focused on food, agriculture & land.
🌱 Co-founder of iffs.earth
Emily Cassidy @enviroem.bsky.social Environmental scientist 🌏 focused on food and land use. Washington, DC area. @projectdrawdown.bsky.social, previously NASA, World Resources Institute, UMN. Opinions my own.
https://emilyscassidy.github.io/
Jan Dutkiewicz @jandutkiewicz.bsky.social Assistant Professor of Political Science at the Pratt Institute
Contributing Editor at The New Republic
Feed the People! (Basic Books 2026)
www.jandutkiewicz.com
Jennifer Molidor @jennifermolidor.bsky.social Writing about nature, food, climate, rewilding, wildlife and wild places in the West. 🌲 🐺 🐸 📚Senior Campaigner @biologicaldiversity.org
https://linktr.ee/JenniferMolidor
Matthew Hayek @matthewhayek.bsky.social NYU Associate Professor of Environmental Studies. Climate, animals, land use, and food systems. MatthewHayek.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
Kendra "Gloom is My Beat" Pierre-Louis @kendrawrites.com Climate journalist based in NYC. Only speaking for myself. If the NYT has no haters I'm dead.
Tips? Reach me on Signal kendrawrites.04
Robinson Meyer @robinsonmeyer.bsky.social I’m the founding executive editor of Heatmap News, a contributing Opinion writer for The New York Times, and the cohost of the Shift Key podcast.
📍NYC
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.
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
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/
Simon Evans @drsimevans.carbonbrief.org Press Gazette energy & environment journalist of the year 2022
Highly commended:
Society of Editors 2025
Shortlisted:
Press Awards 2025
Press Gazette 2025
AOP 2025
Deputy Ed + Snr Policy Ed, Carbon Brief
simon.evans@carbonbrief.org
Jesse D. Jenkins @jessedjenkins.com Macro-energy systems engineering, optimization & policy. Associate professor at Princeton University. Leads the ZERO Lab. Co-hosts SHIFT KEY podcast. Time100 Next & TIME100 Climate honoree. More at linkedin.com/in/jessedjenkins & zero.lab.princeton.edu
Akshat Rathi @akshatrathi.bsky.social - Senior climate reporter, Bloomberg News
- Newsletter http://bit.ly/bbg-zero
- Podcast http://bloomberg.com/zero-podcast
- Book https://akshatrathi.com/book
- akshat.rathi@pm.me
Richard Waite @waiterich.bsky.social Director, Agriculture Initiatives, World Resources Institute. Working with colleagues around the world to create a sustainable food future. DC-based. Own views.
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
James Temple @jtemple.bsky.social Climate and energy editor, Reno bureau chief, MIT Technology Review. Ski bum. Dog dad.
Please send tips (not PR pitches) through Signal: jtemple.99
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
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/
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
J. Mijin Cha @jmijin.bsky.social Assist prof, env studies; Fellow, Climate Jobs Institute and @cplusc.bsky.social; Board, Greenpeace Fund; just transition; labor/climate. 🍉 #COYS 🇰🇷🇺🇸
📚: https://mitpress.mit.edu/9780262550796/a-just-transition-for-all/
https://mijincha.com
Lissa Harris 🌈🗑️🔥⚔️🐀 @lissaharris.bsky.social COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
Madison Condon @madisoncondon.bsky.social climate risk, corporations, use & abuse of science & econ in the administrative state
papers: https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=1654671
sometimes I am here and sometimes I am not
David Weiskopf believes in you @dave.bzky.team If a box on a curb with "Free Meyer Lemons" written on it were a guy
(personal account, obviously)
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Josh Busby @busbyj2.bsky.social Professor at the University of Texas-Austin. Former Senior Climate Advisor DOD. Climate security, climate governance, clean energy, global health, US foreign policy. Author of States and Nature: The Effects of Climate Change on Security (Cambridge, 2022).
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Juan Moreno-Cruz @jmorenocruz.bsky.social Canada Research Chair in Energy Transitions
University of Waterloo.
https://morenocruz.org
Kevin J. Kircher @kevinjkircher.com Engineering prof (mechanical + electrical) at a big Midwest state school. Energy, climate, buildings, power grid, control, optimization, data science. He/him. Personal account. https://kevinjkircher.com/ Email: my last name at purdue dot edu
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
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
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.
Emily Grubert @gruberte.bsky.social civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
Sara Hastings-Simon 🇨🇦 @shastingssimon.bsky.social Currently on partial medical leave and Associate professor, Dept of Earth, Energy, and Environment, University of Calgary; co-director Electricity Centre; energy/mid-transition/carbon/innovation policy + bikes.
Ramez Naam @ramez.bsky.social Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future. 
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
isaac @sevier.io Posting about electricity and how we can care for one other. Building @publicgrids.org. SF. they.
Latest: “Why public power campaigns win"
https://www.isaacsevier.com/notes/public-power-san-francisco-new-york-shrestha-mamdani-organize/
Arkady Martine | Dr. AnnaLinden Weller @byzantienne.bsky.social speculative fiction (Teixcalaan series, ROSE/HOUSE), climate & energy policy (all statements my own), Byzantinist (nonpracticing but never not true).
unfortunately, I care about power lines now
she/her. halfway between Santa Fe and NYC.
Danny Cullenward @ghgpolicy.org Forensic climate economist and lawyer • The carbon accounting canary in your climate policy coal mine • https://ghgpolicy.org
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
Jordan Carlson @jordantcarlson.bsky.social Canadian postdoc in Japan.
Energy, sustainability, unrelated ramblings.
Chelsea Harvey @chelseaeharvey.bsky.social Climate & extreme weather reporter | POLITICO | PEN Guild | Former (and forever) E&E News | NYC via NC SC AL WV
TIPS: charvey@politico.com | chelseaeharvey@protonmail.com |
Signal @chelseaeharvey.01
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Meg RW @hedgewitch.bsky.social Mommy
Community Organizer - Climate, Abolition, Housing, Unions in Southern Ontario.
Very sweary.
Plants!- G g.na @gina.bzky.team Offline until locked accounts and/or “remove follower” are user options.
Joseph D. Ortiz @earthsciinfo.bsky.social NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
Jeremy Wallace @jeremywallace.bsky.social China, climate, stats, and cities. Johns Hopkins SAIS, Good Authority. No Kings.
Rebecca Bratspies, Author @rbratspies.bsky.social Professor, Tulane Law | award-winning scholar, author, speaker
scuba diver | environmental justice, climate justice, human rights, NYC history, urban policy, comic books | mom | optimist (mostly) www.RebeccaBratspies.com
Steve Cicala @stevecicala.bsky.social Vontobel Foundation Professor of Sustainable Economics
University of Zurich
Tufts University (on leave)
https://www.stevecicala.com
http://goingelectric.substack.com
Jenny Chase @solarchase.bsky.social Solar and clean power analyst at BloombergNEF, goose keeper. Author of a book, "Solar Power Finance Without the Jargon". Opinions all my own.
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.
Allison Good @allisonwgood.bsky.social Platts senior energy finance reporter in the DC area covering power and renewables. Opinions mine.
🐈: Tipitina
Tips? Message me on Signal at allison.823
https://www.spglobal.com/marketintelligence
Paul Kelleher @paulkelleher.net Moral & political philosophy, climate econ, bioethics
Author of *The Social Cost of Carbon* (OUP 2025) | Posting in personal capacity
Likes: Boston Celtics ☘️, Maine (from whence I come), bouldering, ebikes, funding public ed.
paulkelleher.net
Dr Grace S Peng @gspeng.bsky.social Same interdisciplinary scientist as on the other sites with the same handle. Chemistry, math, physics, meteorology, GIS, data whisperer.
Natural resources director, League of Women Voters of Los Angeles Co. She/Her
https://badmomgoodmom.blogspot.com/
Hisham Zerriffi @hishamzerriffi.bsky.social Energy Resources, Development and Environment Lab (ERDELab) PI. Energy, equity, justice, climate change, bioenergy. But also TTRPGs and photography (https://pixelfed.social/i/web/profile/499807930552574625). he/him.