We Don't Have Time @handle.invalid Welcome to the world's largest media platform for climate action 💚⚠️ Join us and we'll plant a tree 🌳 #WeDontHaveTime to wait! Join us wedonthavetime.org
Scientista @scientistas.bsky.social Scientista is dedicated to elevating and supporting women in science across industries, from research and technology to policy and business.
Murshed Zaheed @murshedz.bsky.social Stratcomms ▶️ @pacificastrategies.bsky.social | Priors include: Sen. Harry Reid; Rep. Louise Slaughter; Common Cause; CREDO Mobile | More ▶️ pacificastrategies.com
Obsessions: UCLA, Manchester United w/ a side of 49ers | Repost or like =/= endorsement.
Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
William Lawrence @wewill2026.bsky.social Organizer, coalition-builder & Democratic Nominee in #MI07.
YES to Good Housing and Healthcare for All.
NO to Billionaires, Bullies, and Endless Wars.
https://secure.actblue.com/donate/william-lawrence-1
Ellie Johnston @elliej.bsky.social Climate solutions | En-ROADS | systems thinking | Appalachia
Director of Programs, Climate Interactive
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
Ben Cushing @bmcushing.bsky.social 👋 Director of the @SierraClub.org Sustainable Finance Campaign: sc.org/sustainable-finance
📍 DC resident, Oakland raised
💭 Thinking a lot about climate, finance, politics, & the NBA
Jason Dove Mark @jasondovemark.bsky.social Former EIC of Sierra; former editor of Earth Island Journal. Author of the forthcoming book, The Earth Said Remember Me (July '26; Norton). Author of Satellites in the High Country. Lily's Dad. Gardener + Hiker. Posts = ill-considered opinions.
Dave Rogers @drogersenergy.bsky.social Fighting climate change, working to move the South Beyond Coal w/ Sierra Club. Tired parent of twins. Mostly an Eeyore who tries really hard to be more like Pooh. He/him
Allison Crimmins @acrimmins.bsky.social Lady who climates. Executive Director for Industry Proving Ground at NOAA: Director of the Fifth National Climate Assessment. View my own. She/her.
David Doniger @daviddoniger.bsky.social Endangerment is my middle name.
Senior Strategist and Attorney for the Natural Resources Defense Council's Climate & Energy Department. https://www.nrdc.org/bio/david-doniger Bluesky views my own.
Amy O'Leary @amyoleary.bsky.social Non-traditional narrative & media strategy. Formerly NYT, This American Life, Upworthy, Headspace and One Project.
Greer Ryan @greerryan.bsky.social Climate and energy justice advocate based in Oregon. Currently Regulatory Director, Education + Innovation @ Vote Solar. Interested in policy and regulatory solutions to a rapid, affordable, and equitable clean energy transition, especially re: DERs. 
Markus Eichhorn @markuseichhorn.bsky.social Ecologist, author, tree watcher. Shill for Big Forest. Writing another textbook on biodiversity and biogeography. It's always karaoke time. More at treesinspace.com
Dezene Huber 🍁 🌻 @dezene.me 🪲 Professor 🪰 University of Northern British Columbia 🕷️ Insect ecologist 🐝 conservation, biodiversity, natural history 🐛 Opinions are my own 🐞 https://linktr.ee/dezene 🦋
Meredith Moore @meredithmoray.bsky.social Fish policy nerd. Director of Fish Conservation at Ocean Conservancy. Opinions my own. 
katie brigham @kbrigham.bsky.social climate tech reporter (aka ENERGY DOMINANCE reporter) at @heatmap.news | signal: katieb.40
📍 Seattle, WA
Dana Nuccitelli @dananuccitelli.bsky.social Research Manager for @cclusa.org, environmental scientist, climate journalist for @climateconnections.bsky.social. Views my own.
Sophie Bushwick @sophiebushwick.bsky.social Science & technology communicator, editor, podcast & video host, book reader
Colin Meehan @colinme.bsky.social Former DOE/Texan energy nerd now near Baltimore. Sometimes technical analyses, often advocacy. Every once in a while parenting/biking/music/mental health/adventures in a blended family.
Alex Turnbull @alexbhturnbull.bsky.social Opticore CFO / Energy things with ANU
syncretica.substack.com
https://scholar.google.com/citations?user=1Vg7PNIAAAAJ&hl=en
Greg Quetin @grquetin.bsky.social Scientist | Engineer | Cargo Bike Enthusiast. Romantic about the indelible nature of cities full of people living in every way imaginable. Day job - climate change, and the trees of it.
Lydia Jennings, PhD @1nativesoilnerd.bsky.social Pascua Yaqui soil scientist, runner, science communicator, Indigenous data warrior & assistant professor. 🌵baby in NE😅
Learn more about me: https://nativesoilnerd.com
See: Run to Be Visible, my 50 mile honor run: https://m.youtube.com/watch?v=xrLTUUPugIc
Monica Dean @monicadean.bsky.social I dabble in the climate policy-science-comms nexus
Current: Ocean & Climate Diplomacy @ Oceans 5
Former: @usc.edu | US Climate Envoy Team | UN Foundation/IPCC
Views my own. Terms and conditions may apply. See back panel for side effects. etc.
Sean Hecht @seanbhecht.bsky.social Personal account, opinions my own. Angeleno by birth and by choice. Managing attorney at a major environmental law NGO. Former UCLA law prof/climate institute co-director.
Catherine Fraser @cathfraser.bsky.social climate @dataforprogress.org | she/her
https://dataforclimateprogress.substack.com/
Sylvia Chi 齊思涵 @sylviachi.bsky.social lawyer but not your lawyer. admin law enthusiast. i work on environmental and climate justice, public banking, and public power. she/they 🇺🇸🇹🇼 Nutmegger in Oakland
opinions are my own!
https://www.ourcityourbank.com/- G g.na @gina.bzky.team Offline until locked accounts and/or “remove follower” are user options.
Meg RW @hedgewitch.bsky.social Mommy
Community Organizer - Climate, Abolition, Housing, Unions in Southern Ontario.
Very sweary.
Plants!
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
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. 
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"
Juan Moreno-Cruz @jmorenocruz.bsky.social Canada Research Chair in Energy Transitions
University of Waterloo.
https://morenocruz.org
Yonah Freemark @yonahfreemark.com Transport / Housing / Land Use / Politics / @urbaninstitute.bsky.social / Le progrès ne vaut que s’il est partagé par tous / yonahfreemark.com / thetransportpolitic.com
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
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).
Dr. Samantha Montano @samlmontano.bsky.social Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
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)
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
Alissa Walker @awalkerinla.bsky.social I'm a writer and a walker in LA. Tracking the city's megaevent progress at Torched. LA Podcast co-host, new episodes drop every Monday. LAUSD mom. @awalkerinla everywhere else. Sign up for my newsletter at torched.la 🔥
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
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/
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
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.
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
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/
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.
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
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
Olúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social DC. political philosopher at Georgetown, editor at @hammerandhope.bsky.social, rhythm guitarist + vox for @femiandfoundation.bsky.social. #COYS
Costa Samaras @costasamaras.com Climate, energy, emerging tech, resilience, & policy professor. Carnegie Mellon Univ. Institute for Energy Innovation Director. Former Biden-Harris White House OSTP Chief Advisor for the Clean Energy Transition. Personal account. He/Him. costasamaras.com
Leif Utne 🇺🇸🇨🇦 @leifutne.bsky.social Climate communicator. Writer/editor/producer. Musician. Dad. Seattle Sounders fan.
Thomas Neuburger ✍️ @thomasneuburger.bsky.social Essayist, poet, novelist. Byline @ SF Chronicle, Common Dreams, Naked Capitalism, DownWithTyranny, others.
God's Spies : neuburger.substack.com
sookuhtawn ⚓🌹🐺🔰 @sookuhtawn.bsky.social First-time candidate, second-rate fella, for a Third Reconstruction
Tax the rich, fix Prop 13, fund our future - samsukaton.com
Perjuangan buruh adalah harapan manusia.
Forever @berniesanders, no surrender. RT ≠ E.
John @noeljohnny.bsky.social Senior Strategist, Greenpeace International
Xaver Kandler @xaverkandler.bsky.social Political Director at For the Many
Apollo Gonzales @apollogonzales.bsky.social Executive Director at the Climate Advocacy Lab, Digital Engagement and Mobilization Strategist, Mayor Pro Tem & Councilman, Dad
David Arkush @darkush.bsky.social Climate crisis at @publiccitizen.bsky.social. Former @rooseveltinstitute.bsky.social.
Ryan Madden @ryanjmadden.bsky.social (He/him)
Climate & Indigenous Solidarity organizer
Brooklyn based
Jason Rylander @jasonrylander.bsky.social Legal Director, Climate Law Institute, Center for Biological Diversity. Artist and musician. Dog lover. Posts are my own. 
Anna Fahey @trufahey.bsky.social Thinktanking on housing + democracy + clean energy
Opinions—all mine. Or yours, recycled—as also mine. Zero endorsements here.
#Housing #affordability talking points galore
🏘️🎯➡️ https://www.sightline.org/the-pro-homes-messaging-toolkit/
#Parking feed ⬇️
Katie (she) Thomas @ktreethomas.bsky.social Now: Equitable Direct Pay community-owned clean energy deployment. Then: Rep. @rokhanna.bsky.social, @sanders.senate.gov. JD/MELP from VT Law School. #BlackLivesMatter🌹Ⓥ 🏳️🌈 🍉She. Views mine. DC & Kumeyaay lands in San Diego, CA.
Amelia Diehl (she/her) @adiehl.bsky.social Writer, researcher: climate / enviro humanities, COVID Justice, movements. Co-producer Stay Salty: Lakefacing Stories podcast on Great Salt Lake. MS Environmental Humanities. Proofreader In These Times. SLC UT via Chicago/MI 🏳️🌈
Sanjay Khanna @sanjay1.bsky.social Principal and Chief Futurist, SK Futures Inc.
Strategic foresight, global change and climate change in the “era of multiple converging crises.” Quoted in @FinancialTimes.com by @simonkuper.bsky.social.
For more information: https://sanjay-khanna.com
Igor #IStandWithUkraineTregub he/him @igortregub.bsky.social #downtown #berkeley Councilmember (D4), engineer turned policy advocate, @acdems Chair, immigrant, universal purveyor of dad jokes. He/him. #IStandWithUkraine
James Mumm @jamesmumm.bsky.social Organizer, writer, strategist, parent, partner, kayaker. I live for joy and justice. I write at substack.reviews4radicals.org. I work at People's Action, however all views and opinions here are my own. 
Keya Chatterjee @keyachatterjee.bsky.social Mom, Climate and Democracy Activist, Fmr ANC 6A01, #FreeDC. Author of THE REVOLUTION WILL NOT BE RATED G-- coming out October 2025-- It's speculative cli-fi-- a spicy romp through fascism that ends with a successful general strike!
Mike Williams @mwilli.bsky.social Senior Fellowing @AmericanProgress. Formerly @BGAlliance. Former local elected official. All opinions mine… I hope.
Stephen Kretzmann @kretzmann.bsky.social Father. Founder. PNW transplant. Bearing witness to fossil fuel industry greed for 35 years. The struggle continues.
Robin Chase @rmchase.bsky.social sustainable urban transportation. Co-founder Zipcar, NUMO #climate #cities #transport #justice #bikes. Also knitter, gardener, parent
Joe Uehlein @joeu.bsky.social Labor rights and climate justice organizer. President at Labor Network for Sustainability (labor4sustainability.org). Musician, vocalist, singer-songwriter and band leader: The ULiNERS -- www.uliners.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
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 Sanders @emdashsanders.bsky.social Writing and reporting on fossil fuel industry influence & climate accountability for @pointsourcenews.org.
signal: @emilysanders.91
email: esanders@pointsourcenews.org
she/her
Jeff Hauser @jeffhauser.bsky.social Personal account. Run Revolving Door Project (@revolvingdoordc.bsky.social). https://revolvingdoorproject.substack.com #LUFC
@lrenstrom.bsky.social @lrenstrom.bsky.social - P perkowitz @perkowitz.bsky.social cyclist, climate
Clayton Page Aldern @compatibilism.bsky.social 🌎🔥🧠
Data reporter @grist.org, union 🪑. Climate change, brain health, active inference, AI accountability.
THE WEIGHT OF NATURE is out now:
https://www.penguinrandomhouse.com/books/717097/the-weight-of-nature-by-clayton-page-aldern
Signal: aldern.01
Jessica Corbett @corbettjessica.bsky.social @commondreams.org senior editor | freelance writer & fact-checker: http://jessicacorbett.com | Ithaca College ’15 (she/her)
Tim Donaghy @timdonaghy.bsky.social Research Director for Greenpeace USA. Lapsed astrophysicist, previously UCS.
Focused on climate, energy, environmental justice, science policy. Views are my own.
I'm @quinn43 on the birdsite. Also on Mastodon @timdonaghy@fediscience.org. he/him
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.- H Hunter Lovins @hlovins.bsky.social President Natural Capitalism Solutions, Co-Steward COPx, Managing Partner NOW Partners, Professor of Sustainable Management at Fordham University and Colorado cowgirl
Dave Karpf @davekarpf.bsky.social Political Communication Prof at GWU. Flaming Hydra.
I write about the history and future of tech and politics. My next book, Vaporware, Inc.: How Silicon Valley Sells the Future to Control the Present, arrives on January 12, 2027.
Davekarpf.beehiiv.com
Daniela Lapidous @danielaistyping.bsky.social progressive strategist, digi organizer, and cat lady 📍nyc
prev at Green New Deal Network, Bernie 2020, NY Renews
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
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
Matt Browner Hamlin @mattbh.com Arsenal fan & creator of the Arsenal+ & #Arsenal on BlueSky feeds
Lauren Gifford 🌱🌎🌲 @laurengifford.bsky.social Geographer. Climate and carbon governance. Carbon markets, removal, offsets, climate tech, justice. 🌱🌎🌲
www.laurengifford.net
RHF @bobbyhertz.bsky.social Dad. Climate & Disaster Justice Advocate. Leadership Coach.
Located on unceded Mvskoke lands.
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.
Brendon Slotterback @bslotterback.bsky.social Decarbonization. Likes charts. Helping philanthropy and government advance clean energy. PGH🌲 🚲
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.
Moira Birss @moira.bsky.social Climate, economic justice & human rights. Deputy Director building public power @publicgrids.org. Senior Fellow studying insurance & climate @cplusc.bsky.social. Board co-Chair @lawgaction.bsky.social. Amo a 🇨🇴. Living on Ohlone land. she/ella/ela.
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/