Guy Walton..."The Climate Guy" @climateguyw.bsky.social Meteorologist for 30+ years who became convinced that man was causing climate change after Hansen's testimony in 88'. Author
of the kids' climate World of Thermo trilogy.
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
James Dinneen @jamesdinneen.bsky.social Science journalist reporting on Earth for @nature.com; writing book about the deep interior of Earth for @vikingbooks.bsky.social. Send tips via Signal @jamesnesw.44. Email is easy to find. Newsletter: northeastsouthwest.substack.com
Alister Doyle @alisterdoyle.bsky.social Freelance environmental reporter, author of “The Great Melt”, formerly Reuters environment correspondent, MIT Knight Science Journalism Fellow
Bibi van der Zee @bibivanderzee.bsky.social Guardian environment desk. Very fond of invertebrates. And corvids.
Tim McDonnell @timmcdonnell.bsky.social Climate and energy editor at Semafor. tmcdonnell@semafor.com. Based in Kyiv.
Ella Nilsen @ellanilsen.bsky.social VP, Echo Communications Advisors. Former CNN senior climate/energy reporter. Granite stater, forever missing the mountains.
Email me: ella@echocomms.com
Jennifer Weeks @jenniferweeks83.bsky.social Freelance editor and writer, formerly @us.theconversation.com. Many bylines in many places. DC native, mom, Red Sox fan, alto II, Eph. Parallel parking is my special power.
@dgelles.bsky.social @dgelles.bsky.social 
Erin Douglas 📝 climate reporter @erinmdouglas23.bsky.social Climate & Environment Journalist
📍Washington, DC
https://erindouglasportfolio.com/
Signal erinmdouglas.23
Maeve Allsup @maeveallsup.bsky.social Climate and energy journalist - @latitudemedia.bsky.social
Molly Segal @mollyaudio.bsky.social Journalist covering climate change for CBC Radio’s What On Earth
MIT Knight Science Journalism Fellow 2019-2020
Vancouver, B.C.
https://www.cbc.ca/radio/whatonearth/author/molly-segal-1.6518000
Brian McHugh @brianmchugh.bsky.social Climate Book reviewer at https://climatewithbrian.com/
Michelle Ma @michellema.bsky.social Reporter @bloomberg.com | I cover all things climate tech | Read my stories: https://www.bloomberg.com/authors/AWTYlfwjEUk/michelle-ma | mma304@bloomberg.net | She/her | Opinions mine | Based in LA
Lisa Cox @lisacox.bsky.social Climate and Environment Correspondent at Guardian Australia. Tips: lisa.cox@theguardian.com
Brian Kahn @blkahn.bsky.social Your friendly local Wired science editor
Sam Brasch @sambrasch.bsky.social Climate and environment reporter for Colorado Public Radio in Denver, CO. 
Tom Prater @tomoprater.carbonbrief.org Climate visuals @carbonbrief.org
Stuart Leavenworth @sleavenworth.bsky.social Journalist, Honolulu Civil Beat | Ex WaPo, LA Times, McClatchy, SacBee, Oliveto Chef Apprentice | Banana Slug | Community Volunteer | Cyclist | Gardener
Geoff Dembicki @geoffdembicki.bsky.social Investigative climate reporter and global managing editor with DeSmog. Author of THE PETROLEUM PAPERS, named a best book of the year by The Washington Post.
Colin Schultz @colinschultz.bsky.social Aspiring gadfly.
Science journalist | Editor | Storytelling specialist
contact me @ clnschltz@proton.me
Alexander C. Kaufman @alexckaufman.bsky.social Correspondent @heatmap.news, covering energy, security, and climate | Contact: www.alexanderckaufman.com | kaufman.nyc | Signal: Kaufman.11
Whitney Bauck @whitneybauck.bsky.social Award-winning journalist reporting @ the Guardian and more
Currently working on a book about fungi and the people fighting to save them
Environmental Research Fellow @ Green-Wood
https://whitneybauck.substack.com/
Adrienne Tanner @adriennetanner.bsky.social Freelance writer and columnist at Canada's National Observer, dog person, art lover, book fan
Ari Plachta @ariplachta.bsky.social Oil & gas researcher @fieldnotes.co
Rocky Kistner @therockyfiles.bsky.social Independent journalist, Society of Environmental Journalists board. Formerly with ABC News, PBS Frontline, Marketplace public radio, NRDC OnEarth, HuffPost contributing writer. Mizzou J School alum. TheRockyFiles.org,
https://themoneytrail.substack.com/
Rebecca John @rebeccajohn.bsky.social Investigative climate reporter, writer and award-winning documentary film maker. Freelance. Lead author, The Fraud of "Clean" Natural Gas (July 2026) for Center for Climate Integrity.
Madeleine Cuff @tinymaddie.bsky.social Environment reporter for New Scientist mag, covering all things climate change
Chase Cain @chasecain.bsky.social 🌦️ Meteorologist
🌎 former NBC Climate Reporter
📍 San Francisco
https://youtube.com/@chasecain
Camila Domonoske @camilareads.bsky.social Correspondent at NPR covering the business of cars and energy. she/her, cuh-MEE-luh dah-muh-NAH-skee. cdomonoske@npr.org / camiladomonoske.42 on Signal
Justine Calma @justcalma.bsky.social Senior reporter, environment & energy @theverge.com / Host of Hell or High Water: When disaster hits home, a podcast from Vox Media and Audible.
justinecalma.com / Signal: @bqe210.91
Dan McCarthy @danmccarthy.bsky.social Senior editor at Canary Media
yessenia funes @yessfun.com I'm a queer latina climate journalist covering environmental issues through the perspective of the oppressed. find my reporting in vox, curbed, yale climate connections, & more.
subscribe to my newsletter POSSIBILITIES
💌 hi at yessfun dot com 💌
Ezra David Romero @climatedaddykqed.bsky.social Climate Reporter @KQED @KQEDscience🌊🔥🌲☀️🏳️🌈(he/him) Techno Boy. Contact: eromero@kqed.org
Signal - EzraRomero.87
Zoya Teirstein @zteirstein.bsky.social Climate change + human health reporter @Grist. Opinions expressed here belong to my mom.
Signal: zoyateirstein.58
Julia Rosen @1juliarosen.bsky.social Journalist. Working on a book about grass.
Sharon Kelly @sharonkelly.bsky.social Deputy director of strategic analysis, Center for Asset Retirement Accountability. Former investigative reporter covering climate, energy, antitrust.
Rachel Sherrington @rachelsherrington.bsky.social Investigative researcher and reporter with DeSmog. Writing about climate and food politics. Work covered in the Guardian, Vice News, FT, The Hill & others
https://www.desmog.com/user/rachel-sherrington/
Lauren Rosenthal @laurenthal.bsky.social Weather Reporter for Bloomberg News.
Previously at APM Reports, ProPublica/Electionland, North Country Public Radio, KUCB in Unalaska, AK (pictured above).
Views my own.
Email: lrosenthal21@bloomberg.net
Signal: lgrosen.03
Caro Kyllmann @carokyllmann.bsky.social Correspondent at Clean Energy Wire - all things climate adaptation and water, sustainable construction, grids and electricity markets. Trail running when not.
Latest: Climate resilience in the sporting world - live from LA🏙️
Chloé Farand @chloefarand.bsky.social Freelance climate reporter & editor | Editor of a series on cleantech supply chains for Climate Home News | Tracking mineral governance | French & British | Based in Oxford, UK
Portfolio: https://authory.com/ChloeFarand
Victoria Seabrook @seabrookclimate.bsky.social Climate reporter @ Sky News, covering energy, climate change and the environment. Panel moderator and speaker.
https://news.sky.com/author/victoria-seabrook-795
Dawn Attride @dawnattride.bsky.social Irish science journalist in NY | Work in Science, Grist, NPR, Medscape, Retraction Watch and more
Douglas Main @dmain.bsky.social Environmental journalist, writer, artist, naturalist. Bylines: The Guardian, The Atlantic, NYT, Tech Review. Former senior editor/writer at Nat Geo.
http://www.dougmain.com
https://venmo.com/u/DouglasMain
Lauren Sommer @lsommer.bsky.social Climate correspondent for NPR. West Coast-based. Wildfires, water, oceans, adaptation and accountability. Signal: sommer.55
Nithin Coca @nithincoca.com Asia-focused (🇯🇵🇲🇾🇮🇩 & Tibet) award winning global journalist covering environment, climate, Human Rights & supply chains. DM for Signal 🔑
📍Japan, sometimes California or Indonesia
Mastodon: https://social.coop/@ncoca
Contact: nithincoca.com
Richa Syal @richasyal.bsky.social Reporter at Unearthed, Greenpeace UK’s investigative journalism outlet
Signal: richasyal.82
Previously reporting on the environment in the Middle East https://www.richasyal.com
Helen Wieffering @helenwieffering.bsky.social I'm a reporter for the Associated Press based in Washington, DC, covering oceans, shipping, fisheries through an investigative lens
tips or ideas? hwieffering@ap.org
(I'm still getting set up over here)
David Gregory-Kumar @drdavidgk.bsky.social Dad. Husband. Reporter. I work for the BBC based out of Birmingham. Focused on Environment/Science & Rural Affairs. Cargo bike rider. PhD/DSc. RTS reporter of the year.
www.bbc.co.uk/davidgregorykumar
Jennifer Yachnin @yachnin.bsky.social Colorado-based environmental and energy journalist who posts too many pictures of my dog. Find me at jyachnin.35 on Signal.
Katherine Blunt @katherineblunt.bsky.social @WSJ reporter covering renewables & utilities. Author of California Burning. http://katherineblunt.com
Tom Heap @tomheap.bsky.social Broadcaster, journalist and author. https://linktr.ee/landsmartbook
Jaela Bernstien @jaelabernstien.bsky.social 🌳 Nature lover
☕️ Morning person
🌎 I work on climate policy communications @climateinstitute.bsky.social
🎤 Formerly with CBC news
www.jaelabernstien.com
📍Les laurentides, Quebec
Bill Weir @billweircnn.bsky.social Covering the fate of life on Earth for CNN
The Wonder List with Bill Weir is now streaming on HBOMax and LIFE AS WE KNOW IT (CAN BE) is available from your favorite bookseller.
Sharon Udasin @sharonudasin.bsky.social Environment reporter + co-author of the new #PFAS book, Poisoning the Well.
David Knowles @writerknowles.bsky.social Deputy Opinion Page editor for @sfchronicle.com. https://www.amazon.com/Remembering-Remember-World-Trade-Center-ebook/dp/B09B8PTPHC
Maxine Joselow @maxinejoselow.bsky.social Climate and environmental reporter for @nytimes.com, cat mom, and baker. Send me tips on Signal at MaxineJ.55
Andrea Koehle Jones 🌿 Author @andreakoehlejones.com 📚 Author of The Wish Trees & Don't Let Ned Plant a Tree There!
💚 Children's books that grow empathy, hope & care for the planet.
https://linktr.ee/andreakoehlejones #CanKidLit #BookSky
Sarah Lawrynuik @sarahlawrynuik.bsky.social Audio correspondent @economist.com; reporting on & posting about Ukraine, climate change, dystopian reality, Canada. Bylines at CBC News, @canadaland.com, @theguardian.com, etc. ☕️ Runs on: curiosity, coffee, sarcasm. 🇨🇦 in 🇬🇧/🇺🇦
Leana Hosea @leanahosea.bsky.social Founding environmental journalist of nonprofit @WATERSHED-i.bsky.social
http://watershedinvestigations.com
Documentary filmmaker: ‘Thirst For Justice’, https://vimeo.com/ondemand/thirstforjustice
Formerly BBC (18 yrs) & Knight Wallace Fellow (2016).
Rafiqul Montu @rafiqulmontu.bsky.social Stories from the ground — Environment, Climate, Science, Coastal Communities, Public Health, Tech etc. Multi award winning independent investigative journalist & the pioneer of coastal journalism.
🇧🇩 Dhaka, Bangladesh.
E-mail: rafiqulmontu@gmail.com
Catrin Einhorn @catrineinhorn.bsky.social I cover biodiversity and climate change at the New York Times.
Sammy Roth @sammyroth.bsky.social I write Climate-Colored Goggles, a newsletter about climate & culture. Former L.A. Times climate columnist and Desert Sun energy reporter. Also hosted Boiling Point and The Hatch podcasts.
Find me at Dodger Stadium, Disneyland or hiking in the mountains.
Scott Dance @byscottdance.com Writing about the ways climate change is reshaping our lives for The New York Times. Send news tips and recipes to @ssdance.22 on Signal.
Matthew Ponsford @interspecies.agency Journalist writing about nature and culture. MIT Technology Review, BBC, The Guardian, and many more
Paul Rogers @paulrogerssjm.bsky.social Journalist covering science and environment news for the San Jose Mercury News
Alex Harris @harrisalexc.bsky.social Lead climate reporter at the Miami Herald. Florida woman through and through
Luke Runyon @lukerunyon.bsky.social Here for watershed moments. Journalist covering water in the western U.S. Co-director of The Water Desk at the University of Colorado’s Center for Environmental Journalism.
📍 Grand Junction, Colorado
waterdesk.org
jakespring.bsky.social @jakespring.bsky.social Climate and Environment Reporter for @washingtonpost.com. Ex-Reuters, Ex-Brazil, Ex-China. Host of Foreign Correspondence podcast.
Rachel Dobbs @dobbs.bsky.social Award-entering journalist @TheEconomist, mostly covering climate change. 
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.
Lora Kolodny @lorak.bsky.social reporter at cnbc.com. email: lora.kolodny@cnbc.com - ex-wsj, techcrunch & all over. i cover: elon musk cos. mostly tesla & spacex (some climate tech). my posts here are my own. optimistic on the inside. dm me on signal: lorakolodny.55
Sarah Laskow @slaskow.bsky.social senior editor at the Atlantic. I think a lot about climate, disease, animals, plants, risk, kids, New York City, and sometimes other cities too
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
Eric Roston @eroston.bsky.social Butterflies and zebras and moonbeams and fairy tales. Literally wrote the book on carbon. Born 326.17. He/him. "Bleakly amusing." —A. Martine.
"The dad jokes will continue until morale improves." —Charlie Jane Anders.
Signal: eroston.87
Bloomberg Green
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
Todd Woody @toddwoody.bsky.social Environmental journalist covering climate and ocean issues at Bloomberg News in San Francisco. Formerly at Participant Media, Fortune, Forbes, San Jose Mercury News, Sacramento Bee and other publications. www.toddwoody.com twoody4@bloomberg.net
Zahra Hirji @zhirji.bsky.social Bloomberg News climate reporter. Past BuzzFeed News, InsideClimate News. Mom. She/her. Views are my own.
Email: zhirji@bloomberg.net
Signal: zhirji.51
Mark Gongloff @markgongloff.bsky.social Climate take farmer for Bloomberg Opinion
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
Dave Vetter @davidrvetter.bsky.social Climate and sustainability writing and communications; duck monitor.
Laura Millan @lauramillan.bsky.social Writing about 🔥💧and all things climate at Bloomberg
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).
Andrew Freedman @afreedma.bsky.social Senior Reporter, Weather & Climate @cnn. Priors: Axios, WaPo | Alum: The Fletcher School, Columbia Climate & Society | Tips: andrew.freedman@cnn.com | afreedman@protonmail.com | Signal: @afreedmanclimate.03
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
Casey Crownhart @caseycrownhart.bsky.social Climate tech reporter at MIT Technology Review ~ big fan of batteries and also the New York Mets.
Want me in your inbox? Sign up for The Spark: technologyreview.com/spark
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
Giuliana Viglione @giulianaviglione.bsky.social ocean-lover and science journo. associate editor @carbonbrief.org & senior editor @theopennotebook.bsky.social
Shannon Osaka @shannonosaka.bsky.social climate *zeitgeist* reporter for @washingtonpost.com. Reach me on Signal: smosaka.27
Lisa Song @lisalsong.bsky.social Climate/environment reporter at ProPublica. Cartoon me by Laila Milevski. Pro-cats, anti-carrots. Contact: lisasong.42 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.
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
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
Lara Williams @lararhiannon.bsky.social I write about climate change for @opinion.bsky.social and pursue the outdoors
Patrick Galey @patrickgaley.bsky.social Anti-Fascist. Anthropocene Pepys. Gen AI Cassandra. Journalist taking names on the fossil fuel industry and its role in the climate, energy, and cost of greed crises.
Other than that, mainly dogs and cycling
Julia Simon @juliaradio.bsky.social NPR's Energy and Climate Solutions Correspondent
Bay Area by way of Nigeria, Indonesia, and Egypt • 🇳🇬🇮🇩🇪🇬
For tips my Signal juliaradio.33
Mira Rojanasakul @rjnskl.bsky.social Data and visual journalist, New York Times climate team
https://www.nytimes.com/by/mira-rojanasakul
Harry Stevens @harrystevens.bsky.social Climate and graphics at @nytimes.com
Email me and check my work: harry.stevens@nytimes.com
Nadja Popovich @popovichn.bsky.social Senior editor, data + viz @bloomberg /
formerly @nytclimate
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