Mark Hertsgaard @markhertsgaard.bsky.social Co-founder of @coveringclimatenow.org, helping newsrooms produce more and better climate journalism. Author of books on The Beatles, race in America, the news media, the global environmental future, and more.
Assemblymember Anna Kelles @amannakelles.bsky.social 
Kees van der Leun @sustainable2050.bsky.social 40 years of experience in the energy transition. Building Common Futures, a new energy transition consultancy.
Posts about energy, climate, Ukraine & more.
Also on Mastodon.
Reposts not an endorsement, views my own. #EnergySky
Oil Change International @oilchange.org Working to expose the true costs of fossil fuels & facilitate the transition to clean energy with research, communications, and advocacy. oilchange.org
Erik Nordman @eriknordman.bsky.social Director, Institute of Public Utilities @ Michigan State University & Associate Professor of Agricultural, Food, & Resource Economics • Author: The Uncommon Knowledge of Elinor Ostrom • Fulbrighter (Kenya) • #EnergySky • Views my own
Center for Climate Integrity @climateintegrity.org Exposing Big Oil's lies and demanding accountability. Learn more and sign up for updates at climateintegrity.org
@ayaecheverria.bsky.social @ayaecheverria.bsky.social 
@citizenjs1.bsky.social @citizenjs1.bsky.social Environmental engineer, dad, biking and walking advocate, mediocre ukulele player, energy transition enthusiast, and occasional builder of music-playing devices.
@queenofmetrics.bsky.social @queenofmetrics.bsky.social 
Morgan Edwards @energymorgan.bsky.social Professor at the University of Wisconsin--Madison. Energy systems and climate policy. Check out my work at: climateactionlab.com
Celina Scott-Buechler @celinasb.bsky.social Climate justice and governance at Duke Sanford
Alex Frank @phranklebeans.bsky.social Does Dickey Betts get a piece of this?
Patty Durand @pattydurand.bsky.social Founder of Georgians for Affordable Energy with a goal to end Georgia Power profiteering and harmful behavior towards its customers.
UN Environment Programme @unep.org Official account of the United Nations Environment Programme
https://www.unep.org/
Alejandra Caraballo @esqueer.net 🏳️⚧️🇵🇷 Senior Clinical Instructor, Harvard Law Cyberlaw Clinic. Gender & Tech. Views = my own. She/Her.
Inquiries: alejandracaraballo.com/contact
Eric R. Larson @ericrlarson.bsky.social Associate professor in freshwater ecology, University of Illinois at Urbana-Champaign. Crayfish, invasive species, environmental DNA, and more. https://publish.illinois.edu/erlarson/
Dr. Gloria Reithmaier @gloriareithmaier.bsky.social I am a biogeochemist studying blue carbon ecosystems. My research focuses on the coastal carbon cycle, including lateral exports, carbon stocks, and greenhouse gas emissions.
School of Ocean and Earth Science and Technology @soest.hawaii.edu World-class research and academic institution focused on informing solutions to some of the world’s most vexing problems.
📍University of Hawai‘i at Mānoa
🌎 https://www.soest.hawaii.edu
Kiley Bense @kiley.bsky.social Journalist at @insideclimatenews.org covering climate change, the environment, public health, and politics.
Recent work:
https://insideclimatenews.org/profile/kiley-bense/
Jamie Dickerson @jamiedickerson.bsky.social Senior Director w/ Acadia Center. Formerly NYSERDA-fied. Climate policy and strategy. Posts and opinions are my own.
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
#CarbonReckoning (Andrew Boswell) @drandrewboswell.bsky.social Support the UK fair share climate case https://tinyurl.com/CARB-RECK - being filed shortly
Andy Scollick @andyscollick.bsky.social Strategic defence planning and foresight | security and defence policy | interactions between climate change, energy, security, defence | former adviser to Ukraine's military | marine environmental policy | PhD in sustainability science | Ireland/Europe
Hilary Howard @hilaryhoward.bsky.social I cover environmental and climate change issues for the metro section of The New York Times. Lover of prestige tv, books, theater, tennis.
Judith Enck @judithenck.bsky.social Co-author of “The Problem with Plastic” (The New Press, Dec. 2025) Former EPA Regional Admin., Pres. of Beyond Plastics, Bennington College Faculty
Steve Carpenter @steve-carpenter.bsky.social Ecosystem science, Global change, Assessments and Scenarios. Co-EiC of Ecosystems with @MonicaGTurner.bsky.social. My website:
https://limnology.wisc.edu/faculty/stephen-r-carpenter/
Liz Krueger @lizkrueger.bsky.social NYS Senator representing Midtown, UES, Roosevelt Island, Chelsea, Gramercy, and Flatiron.
Chair, Senate Finance Committee
Join our mailing list: conta.cc/3YrFMRv
NY Renews @nyrenews.bsky.social We're a coalition of 400 organizations behind the nation’s strongest climate law, NY's Climate Act. We fight for clean energy, union jobs, and climate justice.
New York Focus @nysfocus.com New York Focus is a nonprofit newsroom investigating power in the Empire State.
Subscribe to our newsletter: http://nysfocus.com/newsletter
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/
Andrea Joy Campbell @ajcampbellma.bsky.social Leading with joy. Fighting for YOU. MA Attorney General, wife and mama to Alexander & Aiden. Beyonce fan. For official updates follow @massago.bsky.social
Emily Grubert @gruberte.bsky.social civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
Chris Murphy @chrismurphyct.bsky.social U.S. Senator from Connecticut.
Eos @eos.org Eos is a leading source for trustworthy news and perspectives about the Earth and space sciences and their impact. Published by the American Geophysical Union (@agu.org).
Mark Z. Jacobson @mzjacobson.bsky.social Climate, pollution, clean/renewable energy
Stanford U Prof, Civil & Env Eng; Director, Atmos/Energy Program
Cofounder-Solutions Project; Appeared on Letterman
Testified Held v Montana
https://web.stanford.edu/group/efmh/jacobson/
Stanford.io/Jacobson
Dom Pates @dompates.bsky.social Educational Technologist, in HE. Father/husband. Writer. Brightonian/ex-Tokyoite. DJ/podcaster. European. Transitionist. (Occasional) Musician. Not necessarily in that order?
https://dompates.medium.com
Richard Howarth @richardhowarth7.bsky.social A lot of NUFC, a bit of politics and a bit of an eco-warrior.
Citizen of Newcastle upon Tyne.
Marcus C Sarofim @marcusmarcusrc.bsky.social Climate scientist, ex-EPA. Writing climate science & policy at The Saraph Report. Saraph, my name's root, means fire, which is appropriate for climate work. Interested in books, food, and contra dancing when not obsessing over carbon.
Paul Martin (Spitfire Research) @spitfireresearch.bsky.social Chemical engineer, scale-up specialist, antidote to marketing #hopium . Advocate for a decarbonized future. www.spitfireresearch.com for more details
Ambassador Ken Fairfax (ret) @portlandken.bsky.social Retired former US Ambassador, NSC Director for Russia, Ukraine, and Eurasia, NSC Director for Nuclear Materials Security, and Deputy Exec. Dir. of the International Energy Agency
Climate Action Network (CAN) Europe @caneurope.org Europe's leading NGO coalition fighting dangerous climate change!
Cornell Courage @cornellcourage.bsky.social Cornellians, join us via the pinned post!
Formed in Nov. 2025, we're 300+ alumni & allies, calling out the leaders' decision to capitulate to the Trump admin. And demanding that they take action to stem the damage.
Check out www. cornellcourage. com
FalmouthDems @falmouthmadems.bsky.social We are proud, unapologetic Democrats in Falmouth MA committed to electing the representatives we deserve.
Erik Schlenker-Goodrich @riogranderift.bsky.social At work in the ruins.
New Mexican. Executive Director and public interest environmental attorney: @westernlaw.org. Thoughts my own.
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
Bridget Brink @bridgetbrink.com Proud Michigander, veteran diplomat, former 🇺🇸 Ambassador to Ukraine and Slovakia.
Rosemary Vass @coonavass.bsky.social Climate Action! That’s everything you need to know. As ProfMann says every part of a degree is worth fighting for.
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Governor JB Pritzker @govpritzker.illinois.gov Husband and father. Proudly serving as Illinois’ 43rd governor.
Western Environmental Law Center @westernlaw.org We use the power of the law to foster thriving, resilient western lands, waters, wildlife, and communities in the face of a changing climate.
Anne Applebaum @anneapplebaum.wsocial.eu staff writer @theatlantic.com and senior fellow @snfagora.bsky.social. author of GULAG, IRON CURTAIN, RED FAMINE, TWILIGHT OF DEMOCRACY and AUTOCRACY INC
https://linktr.ee/anneapplebaum
Public Power NY @publicpowerny.bsky.social The climate crisis won’t wait for Trump to leave office. But neither will we.
New York must lead the way by kickstarting the era of public renewables. Learn more at publicpowerny.org.
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
Kaisa Kosonen @kaisakosonen.bsky.social Working on climate policy @ Greenpeace Nordic. IPCC Focal Point for Greenpeace International. Based in Helsinki, Finland. @greenpeacesuomi.bsky.social Always up for karaoke, dancing, gigs.
Kevin Anderson @kevinclimate.bsky.social Professor of Energy & Climate Change at Universities of Manchester & Uppsala.
Translating climate science, through carbon budgets, into policy goals & mitigation options.
Co-founder https://climateuncensored.com
Auke Hoekstra @aukehoekstra.bsky.social Sharing hope and debunking FUD against electric vehicles and renewable energy. Director NEONresearch.nl @TUeindhoven Founder Zenmo.com.
Jon Duffy @joncduffy.bsky.social I care a lot about democracy. And dogs.
Veteran | Writer | Dog Dad
Baltimore fan in Southern California
Heather Cox Richardson (TDPR) @hcrichardson.bsky.social Historian. Author. Professor. Budding Curmudgeon. I study the contrast between image and reality in America, especially in politics.
Kim Fraczek @kimfraczek.bsky.social clean water and free renewable energy for all
Orla Kelleher @orlakelleher.bsky.social Writing about climate, environmental and human rights law. Assistant prof in Maynooth University School of Law and Criminology, Ireland. She/her
Robert Kelchen @robertkelchen.com Professor & department head, University of Tennessee, Knoxville. I study higher ed finance, accountability, and financial aid. Washington Monthly rankings data editor. Dad, gardener, and baker. Personal account.
https://robertkelchen.com/
Jeff Walker @walkerenvres.bsky.social Walker Environmental Research // Environmental Data Science & Engineering // Maine // walkerenvres.com
Senator Lea Webb @senatorleawebb.bsky.social Official Government account for NYS Senator Lea Webb (District 52-Broome, Cortland, and Tompkins Counties) |
@NYSenate Women's Issues Committee Chair
https://linktr.ee/senatorleawebb
Julie Wash @jakwash.bsky.social That’s my dog’s eye.
MLIS ‘90 SUNY Buffalo
BA UNC CH ‘83
Question. Take time.
Colin Kinniburgh @colinreports.bsky.social Reporter covering climate and environment for New York Focus. Tips: colin@nysfocus.com, @colin.36 on Signal or DM for cell
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
Elizabeth Kolbert @elizkolbert.bsky.social I am a New Yorker staff writer and author of "H is for Hope," "Under a White Sky," and "The Sixth Extinction," and “Life on a Little-Known Planet." Learn more at elizabethkolbert.com.
Colleen Redding @creddingvye.bsky.social Health Psychologist, Strong Woman, Mom, Human, amplify Science, Democracy, Environmentalism, Feminism, & Health related posts.
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
Jigar Shah @jigarshahdc.bsky.social husband, dad, focused on elevating American entrepreneurs and innovators to achieve energy abundance by deploying at scale. It's simple, not easy. https://www.linkedin.com/in/jigarshahdc/
@sarahbatterman.bsky.social @sarahbatterman.bsky.social 
Laurence H. Tribe @tribelaw.bsky.social After teaching and writing about constitutional law for 50 yrs, it seemed time for me to reach beyond Harvard’s walls — to spread understanding and appreciation of the rule of law, of justice as fairness, and of a republic if we can keep it
Susan Arbetter @sarbetter.bsky.social Political anchor for Spectrum News. Formerly WCNY, WMHT, WAMC. Emmy, Murrow, AP, NYSBA, Scripps-Howard, Headliner & NY Women's Press Club Hall of Honor
Doreen Harris @doreenharris.bsky.social Dedicated to green energy of all kinds. President & CEO at NYSERDA. Native NYer. Mom of 4.
John Hanger @jrfhanger.bsky.social Support decarbonization, zero-CO2 generation & competitive markets. Former Commissioner of PA PUC, Secretary of PA DEP, Secretary of Policy & Public Advocate for consumers of Philadelphia's municipal utilities. Law degree.
Ocean Sciences @ Bangor University @sosbangor.bsky.social Hi everyone, we are the School of Ocean Sciences at Bangor University in North Wales. We can't wait to engage and share any aspects of marine science with you
AGU Science Policy @aguscipolicy.bsky.social Bringing you the latest Earth and space science policy news to spark discussions, spur progress, and keep you informed.
Corporate Europe Observatory (CEO) @corporateeurope.org Corporate Europe Observatory (CEO) challenges the influence of Big Business and corporate lobby groups in EU policy-making.
🐘 @corporateeurope@mstdn.social
🔗 https://corporateeurope.org/en
👉 linktr.ee/corporateeurope
Andrew Murray Ph.D (Once _Was_Arnold) @oncewasarnold.bsky.social Smart people notice everything that’s there
Even smarter people also notice what should be there - but isn’t
Unfortunately, complete loonies see stuff that isn’t there too
Critical thinking is how we tell the difference
James Queally @jqwritesstuff.bsky.social Crime: Real & Imagined.
L.A. Times Courts/Chaos Reporter
Alleged Author: Russell Avery Novels (Counterpoint Press)
Rep: @jmcgowanbks.bsky.social
Knows Ball (kinda)
SURVIVING THE LIE, the third and final Russell Avery novel, out 8/11/26.
Professor Matthew England FAA @profmattengland.bsky.social Scientia Prof. of Ocean & Climate Dynamics UNSW Australia | Fellow Australian Academy of Science | CMSI / BEES | Director ARC Centre of Excellence for Our Future Oceans | I study our oceans ice atmosphere and climate 🌊🌎🧊🌍🌤
Science and Environmental Health Network (SEHN) @sehnetwork.bsky.social SEHN engages communities and governments in the effective application of science to protect and restore public and ecosystem health. sehn.org
Carlos Moffat @carlosmoffat.com Associate Professor of oceanography at the University of Delaware. Interested in icy places.
Views my own. Old posts are deleted regularly.
Met4Cast @met4cast.net UK weather and climate updates | Making complex weather understandable | 20+ years of studying
Bill Gregg @ravenstell.bsky.social Retired chemist, composing, performing and recording ambient electronic/acoustic music. Music instructor at the Trumansburg Conservatory of Fine Arts. Avid gardener, archer, poet, dog lover, outdoorsman, Navy veteran, and amateur artist.
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social Texas Medical Center (TMC) Pediatrics Professor-Vaccine Scientist-Author; Member, Philosophical Society of Texas, Texas Academy of Medicine Engineering Science Technology, National Academy of Medicine, American Academy of Arts and Sciences
Pep Canadell @pepcanadell.bsky.social Exe. Dir. Global Carbon Project. Human effects on carbon & other biogeochemical cycles; vulnerability of C stocks; nature-based solutions; global ecology
Christopher Flavelle @cflav.bsky.social New York Times reporter, covering the federal government.
MERLIN project @merlin-project.bsky.social EU-funded project: 𝗠ainstreaming 𝗘cological 𝗥estoration of freshwater-related ecosystems in a 𝗟andscape context: 𝗜𝗡novation, upscaling and transformation. Large rivers, small streams & basins, wetlands & peatlands.
#EUGreenDeal #NatureBasedSolutions
Don Boesch 🇺🇦🇬🇱 @donboesch.bsky.social Using science to restore coastal ecosystems and limit and adapt to climate change. Emeritus Prof. @umces.bsky.social, Annapolis, Maryland, USA
Eleanor Frajka-Williams @eleanorfrajka.bsky.social Physical oceanographer + climate scientist, Professor at the University of Hamburg (She/her)
eleanorfrajka.com
BES Aquatic Ecology Group @bes-aquaticgroup.bsky.social The British Ecological Society Aquatic Ecology (BESAG) Special Interest Group - a network of aquatic, freshwater and marine scientists.
www.britishecologicalsociety.org/content/aquatic-ecology-group
Posts by margauxsteyaert.bsky.social
Roxane Maranger @water-rox.bsky.social Aquatic Ecosystem Scientist (she/ her)
Blake Gendebien @blakegendebien.bsky.social Dad, Husband, Farmer, Democrat running to replace Congresswoman Stefanik in NY’s 21st District.
Sarah Cooley @co2ley.bsky.social Ocean advocate, community builder, climate scientist. I make sure the ocean interior is healthy so you don't have to. 
Sean Casten @seancasten.bsky.social U.S. Representative, IL-06. Personal account. Dad. Husband. Trained as an engineer, 16 years as a clean energy CEO, now in middle management. For official stuff see @casten.house.gov
Dan Smale @dansmale1.bsky.social Marine ecologist, climate change impacts, seaweed farming, kelp forests, extreme climatic events, marine biodiversity and conservation. Based at Marine Biological Association, UK
Dr. Martin Visbeck @mvisbeck.bsky.social Ocean-Science-Observing-Twinning-Sustainability CEO OceanQuest KAUST on leave from GEOMAR and Kiel University
https://www.oqfoundation.org/en/