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
Coalition for Clean Air @cleanairca.bsky.social The Coalition for Clean Air (CCA) is a Californian statewide organization exclusively dedicated to protecting public health, improving air quality, and preventing climate change.
Senator Scott Wiener @scottwiener.bsky.social 6’7” California State Senator representing San Francisco 🏳️🌈 ✡️
Policy nerd & chronic legislative overachiever 🤓
Running for Congress to protect our democracy 💙
Vote Nov. 3, 2026 🗳️
Get involved ⬇️
https://linktr.ee/scottwiener
Senator Alex Padilla @padilla.senate.gov U.S. Senator for California. Devoted husband and proud dad. Dodgers diehard. EngiNERD. 
CalMatters @calmatters.org CalMatters is a nonpartisan and nonprofit news organization. We write stories about California, for Californians.
Molly Peterson @mollypeterson.bsky.social editor, climate journalist | CalMatters | Los Angeles | i ❤️local news | flop goes spiritual love
Danielle Venton @dventon.bsky.social Science reporter @kqednews // wildfire, space & oceans // studied @UCSC_SciCom @humboldtcalpoly // Host of the KQED Climate Book Club -- come read with us! Reach me on Signal: DVenton.09
Lauren Sanchez @carb-chair.bsky.social 
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
UCLA Emmett Institute @uclalawemmett.bsky.social A leading environmental law & climate policy center. We develop solutions to urgent environmental challenges and educate future leaders | http://linktr.ee/emmettucla
Damian Carrington @dpcarrington.bsky.social Environment editor at The Guardian
Send info confidentially via Signal: dpcarrington.35
Or via this link👇
https://www.theguardian.com/tips
Bill Corcoran @billcorcoran.bsky.social Ran a thing called Beyond Coal Campaign, consultant for creating climate good trouble, Zen student. May all beings live in peace, free from greed and hatred. Just my opinions, man.
Kyle Pope @kylepope01.bsky.social Co-founder of @coveringclimatenow.org, helping newsrooms produce more and better climate journalism
The 2035 Initiative at UCSB @the2035initiative.bsky.social The 2035 Initiative at UC Santa Barbara is a cutting-edge “think-and-do” tank that develops actionable roadmaps for slashing climate pollution and ushering in a more equitable, resilient future. https://www.2035initiative.com/
Sara Shukla @sarashukla.bsky.social Editor at Cognoscenti (@cogwbur), @wbur’s ideas & opinions page • Author of novel PINK WHALES • Fan of donuts
Cloe Axelson @cloeax.bsky.social senior editor of cognoscenti (@cogwbur), @wbur's essays and opinions page. mom of three girls, writer, runner, long-suffering cubs fan. "let's play two."
Miles Herszenhorn @mherszenhorn.bsky.social College student | Past: POLITICO, USATODAY, POLITICOEurope, and The Harvard Crimson
Kami Rieck @kamirieck.bsky.social ✍🏻 NYT, WaPo, The Atlantic, Bloomberg + more | 📍sf, ny + the world
New York Times Opinion @nytopinion.nytimes.com We amplify voices on the issues that matter to you. Read on: https://www.nytimes.com/section/opinion
Katie Drummond @katie-drummond.bsky.social Global Editorial Director at WIRED.
Board member @freedom.press
Speaker at UTA
Moira Birss @moira.bsky.social Climate, economic justice & human rights research, advocacy & policy visioning. Deputy Director @publicgrids.org. Senior Fellow @cplusc.bsky.social. Board co-Chair @lawgaction.bsky.social. Amo a 🇨🇴. Living on Ohlone land. she/ella/ela.
Emil Dimanchev @emildimanchev.bsky.social Interdisciplinary scientist working on energy systems and climate policy. Postdoc at Princeton ZERO Lab. Research Affiliate at MIT CEEPR. Consulting for Good Judgment. 0th-gen immigrant. Writings: dimanchev.com.
Aimee Witteman @aimeewitteman.bsky.social Pro-housing decarb strategist. Midwest kid living in D.C.⚡️
Also posts on democracy, bikes, trail running, and Lake Superior shipwrecks. Personal Account.
holly jean buck @hollyjeanbuck.bsky.social energy & climate policy, writer, analyst
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
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.
Heatmap News @heatmap.news A new media company focused on the biggest story of our time: climate change. Subscribe to our newsletter at https://heatmap.news.
Climate Power @climatepower.bsky.social Fighting for bold climate action, exposing Big Oil’s greed, and holding polluters accountable ⚡️
Yale Environment 360 @yalee360.bsky.social An online magazine offering reporting, opinion, and analysis on global environmental issues. Published at the Yale School of the Environment. Our newsletter: e360.yale.edu/newsletter
Sam Ricketts @samtricketts.bsky.social Seattleite in DC. Work on the clean energy transition. Co-founder, S2 Strategies. Former state govt, congressional staffer, advocate, organizer.
www.s2strategies.org
Bolts @boltsmag.org A publication that covers the nuts and bolts of political change: Boltsmag.org
Jessica McKenzie @jessimckenzi.bsky.social reporting, writing, editing climate change stories @thebulletin.org // outdoorsy newsletter: jessicastarmckenzie.com/newsletter // tips: jmckenzie@thebulletin.org, jsmckenzie@protonmail.com, or jessimckenzi.01 on signal
Seth Borenstein @borenbears.bsky.social Climate and science writer at The Associated Press, covers disasters, all sorts of science. Teaches journalism at NYU/DC. Father of 3, husband of 1. Red Sox fan.
Julia Simon @juliaradio.bsky.social NPR's Energy and Climate Solutions Correspondent
SF by way of Nigeria, Indonesia, and Egypt • 🇳🇬🇮🇩🇪🇬
For tips my Signal juliaradio.33
Akielly Hu @akielly.bsky.social Climate reporter and writer. Formerly @grist.org, The Environmental Forum. 
Nathaniel Hoffman @paleomedia.bsky.social #climate #migration #democracy / @amorandexile author / sometimes hunter/gatherer / perpetual hack 
Jack Hanson @jack-hanson.bsky.social Climate changemaker, ED @runonclimate, former City Councilor, musician
Anna Phillips @annamphillips.bsky.social Graduate student, former climate reporter at the Washington Post
Signal: anna_phillips.58
U.S. Rep. Kathy Castor @usrepkathycastor.bsky.social ⚡️Tampa Bay's Congresswoman⚡🌴🌤🌅 🇺🇸 People Over Politics! 🇺🇸 former Chair of the Select Committee on the Climate Crisis 🇺🇸 #FL14
Courtney Otto @courtneyotto.bsky.social Political Director @climateaf.bsky.social 🌎
I like social equity, wine, local politics and the Buffalo Bills 🦬
Caleb Braun @cbraun.bsky.social Climate policy researcher & data scientist. Always learning about urban design, data vis, and plant care. He/him.
smartagr.bsky.social @smartagr.bsky.social I work on climate in Michigan.
WRI Ross Center for Sustainable Cities @wrirosscities.bsky.social Helping cities make big ideas happen. A program of
@worldresources.bsky.social. Producer of http://TheCityFix.org. Home of #PrizeForCities.
Kat So @kso23.bsky.social Climate and Conservation Policy Advocate | Campaign Manager at @americanprogress.bsky.social | Please be nice to me | Views are my own
Jane Fonda Climate PAC (JanePAC) @janeclimatepac.bsky.social 🌎🌱 JanePAC is coming for every single seat with a role to play in resisting this administration and saving our planet — and we're going to win.
Rachel's Action Network @rachelsaction.bsky.social When women lead, the environment wins. c4 sister of
@rachelsnetwork.bsky.social. Join us: http://rachelsactionnetwork.org/join/
ClimateVoice @climatevoice.bsky.social 〰️ Mobilizing the voice of the workforce on climate policy
〰️ Led by @debmcnamara.bsky.social + founded by Bill Weihl
〰️ When employees speak, companies act
www.climatevoice.org
Climate Cabinet Education @climatecabineteducation.org We turn climate information into climate action - equipping policymakers and the public with district-specific data and policy solutions. climatecabineteducation.org
Climate Cabinet Action @climatecabinet.org We help candidates run - and win - on climate. climatecabinet.org
Synapse Energy Economics @synapseenergy.bsky.social Synapse provides analysis of the electric power sector. Follow us for publications, webinars, and other news related to energy, economics, and the environment.
Pleiades Strategy @pleiadesstrategy.com We work with climate leaders in civil society, government, and industry to track and accelerate the clean energy transition and ambitious and equitable climate solutions. Founded by francessawyer.bsky.social.
Governor Gavin Newsom @governor.ca.gov 40th Governor of California.
Building a California for All.
Yale Divinity School @yaledivinityschool.bsky.social A graduate professional school of Yale University, offering programs of study leading to the degrees of Master of Divinity, Master of Arts in Religion, and Master of Sacred Theology.
https://divinity.yale.edu/
Managed by the YDS Office of Communications
Frances Sawyer @francessawyer.bsky.social Tackling the climate crisis, erosion of democracy, and economic inequality || Founder, http://PleiadesStrategy.com || Picnicking is my favorite hobby.
Max Berger @maxberger.bsky.social Co-Founder Momentum Training Institute, IfNotNow, More Perfect Union. Formerly Warren, Justice Democrats, etc. Tottenham until they kill me.
Roxane Gay @roxanegay.bsky.social https://linktr.ee/roxanegay
Writer, editor, publisher, professor. Some people call me a bad feminist and by some people I mean me.
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
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
Thea Riofrancos @triofrancos.bsky.social Political Scientist, Providence College
Strategic Co-Director, Climate and Community Institute
Author / Resource Radicals (Duke UP 2020)
Co-Author / A Planet to Win (Verso 2019)
Forthcoming / Extraction: The Frontiers of Green Capitalism (WW Norton)
Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
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.
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
Hila the Earth @hilatheearth.bsky.social 
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
Natural Resources Committee Democrats @naturalresources.bsky.social Official BlueSky for the House Natural Resources Committee Democrats | Ranking Member @rephuffman.bsky.social
Jade Begay @jadebegay.bsky.social 
The All We Can Save Project @allwecansave.bsky.social 🌎 Nurturing the leadership we need for the future we want 📖 Outgrowth of the bestselling anthology All We Can Save 🏡 Home of Circles, Climate Wayfinding, 8 Dynamics of Climate Engagement & more.
💫 All the things: https://www.allwecansave.earth/
Naomi Klein @naomiaklein.bsky.social "End Times Fascism" book available now.
Doppelganger. This Changes Everything. The Shock Doctrine. No Logo. On Fire.
UBC Professor of Climate Justice.
🔗 https://linktr.ee/naomiklein
Alexander C. Kaufman @alexckaufman.bsky.social Correspondent @heatmap.news, covering energy, security, and climate | Contact: www.alexanderckaufman.com | kaufman.nyc | Signal: Kaufman.11
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Clara Jeffery @clarajeffery.bsky.social Editor-in-Chief of Mother Jones/Center for Investigative Reporting/Reveal. Past president of the American Society of Magazine Editors. Mom. Upzoning, street tree, and rescue dog enthusiast. Views, mine.
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
Urban Ocean Lab @urbanoceanlab.bsky.social Cultivating rigorous, creative, equitable, and practical climate and ocean policy for the future of coastal cities.
https://urbanoceanlab.org/
Michael Freeman @michbfreeman.bsky.social Offshore wind policy at Oceantic Network. Also insect art. Former entomologist I guess.
he/him/his, views are of my own creation
🏳️🌈🇺🇸🇩🇪
Aria Ritz Finkelstein @coastofbohemia.bsky.social Researching coastal and ocean space at MIT Urban Studies and Planning + WHOI Marine Policy Center. Atlantan. Jew. Frequent forgetter. She/her. www.coastofbohemia.com. How are people liking it here?
Meredith Moore @meredithmoray.bsky.social Fish policy nerd. Director of Fish Conservation at Ocean Conservancy. Opinions my own. 
Deep-Ocean Stewardship Initiative @deepstewardship.bsky.social The Deep-Ocean Stewardship Initiative: Uniting experts to inform policy for our global ocean.
https://www.dosi-project.org/ 
Sam Andrews @oceanoculus.com Science & stories from the sea (+ occasionally the other 30% of the planet)
🌊 Science, tech, policy, sustainability writer
🤿 Founder of Ocean Oculus, the ocean-focused communications consultancy
📈 Researcher
☕ Tea drinker
🧀 Cheese eater
🐧 Bird admirer
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
Miriam Goldstein @miriamgoldstein.bsky.social Ocean scientist turned federal policy wonk. Executive Director of the National Ocean Protection Coalition. Views my own, especially the salty ones. Maybe off hiatus? We'll see!
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.
MBARI @mbarinews.bsky.social An oceanographic research institute focused on advancing marine science and engineering to understand our changing ocean
Woods Hole Oceanographic Institution @whoi.edu We're the world's largest independent non-profit dedicated to ocean research, exploration, and education. Join us!
Scripps Institution of Oceanography @scrippsocean.bsky.social Understanding and protecting the planet since 1903.
📍UC San Diego
Jessica Green @greenprofgreen.bsky.social Immigrant. Poli sci prof at U of Toronto. Politics of climate change, carbon markets, oceans, NGOs, enviro politics. Author of Existential Politics, out now: tinyurl.com/ybephkfb. Occasional ranter. greenprofgreen.com
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.
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.
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
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!
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.
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
altNOAA 🇺🇸 @altnoaa.bsky.social Original resistance account for the NOAA. Not official account of NOAA but close enough we can forecast them.
Weather geek. Boat driver. Former airman. Weekend redneck. Coffee: black. Kinda Grumpy. Go Walz! 🌮
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
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
Resist List @resistlist.bsky.social Welcome to Resist List. Your online hub of the ongoing resistance to the growth of authoritarianism in the United States.
https://choosedemocracy.us/resist-list/
Alexandra Witze @alexwitze.bsky.social Science journalist and correspondent for Nature (she/her). Opinions = my own. Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
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
Gernot Wagner @gwagner.com Climate economist, Columbia
https://gwagner.com
It's pronounced "juggernaut" without the "jug"
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her