Felicia Marcus @feliciamarcus.bsky.social 
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
Andy Revkin 🌎 ✍🏼 🪕 ☮️ revkin.substack.com @revkin.bsky.social 40 years of prize-winning sustainability journalism, mostly @nytimes, #sustainwhat webcaster https://revkin.substack.com, #Anthropocene Working Group member, solution seeker, songwriter https://j.mp/revkinlinks
Abrahm @abrahm.bsky.social Author: On The Move, about climate migration in America @fsgbooks. Reporter investigating climate @ ProPublica + New York Times, 2022 NAFellow + EMCollective fellow. Signal: 917-512-1803
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
Dr. Robert D. Bullard @drrobertbullard.bsky.social Director of Bullard Center Texas Southern University, professor, author of 18 books, NBEJN #HBCU Climate Change Consortium, #ClimateReality Board, AAAS, National Academy of Medicine, TIME Earth Award, Father of Environmental Justice, US Marine Corps Vet.
Dave Jones @cadavejones.bsky.social Former financial regulator (CA Insurance Commissioner), current Director, UC Berkeley Center for Law, Energy & Environment, Climate Risk Initiative. Posts are my own opinion.
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
Fernanda Wenzel @nandawenzel.bsky.social Brazilian investigative journalist specialized in the Amazon. Staff writer for Mongabay. 
Michael Grunwald @mikegrunwald.bsky.social Author of WE ARE EATING THE EARTH https://www.amazon.com/We-Are-Eating-Earth-Climate/dp/1982160071 & THE SWAMP https://www.amazon.com/Swamp-Everglades-Florida-Politics-Paradise/dp/0743251075/ NYT contributor. Annoyed Floridian. michaelgrunwaldbooks.com
Allie Shenkin @shenkin.bsky.social Structure & function of forests, 3D process modeling, RS+field, commercialization.
Director of NAU’s Ecosystem Science & Innovation Lab.
Particularly fond of the tropics.
https://ecosci.nau.edu
@ecosail.bsky.social
@selvaflux.bsky.social
Jonathan Watts @jonathan-watts.bsky.social Author of The Many Lives of James Lovelock, founder of Sumaúma.com and the Rainforest Journalism Fund. Guardian environment writer. - F Fiona Harvey @fionaharvey.bsky.social Environment editor at the Guardian newspaper, full-time environment writer since 2004
Ben Caldecott @bencaldecott.bsky.social Director, Oxford Sustainable Finance Group, University of Oxford. Finance, climate, energy, sustainability and nature. Working globally with financial institutions, companies, governments, regulators and civil society.
Cambridge Institute for Sustainability Leadership @cisl.cam.ac.uk CISL is an impact-led institute at the University of Cambridge that activates leadership to transform economies for people, nature & climate. We work across business, finance and government to accelerate action for a sustainable future. www.cisl.cam.ac.uk
Planet Tracker @planettracker.bsky.social Planet Tracker is a non-profit financial think tank aligning financial markets with a sustainable future #Sustainability #PlanetTracker #capitalmarket
Chris Field @chrfield.bsky.social Director, Stanford Woods Institute for the Environment.
Stanford Woods Institute for the Environment @woods.stanford.edu Stanford's collaboration hub for interdisciplinary environmental research about people & planet. Focused on climate resilience, natural climate solutions, thriving ecosystems, human & planetary health, and just outcomes. | woods.stanford.edu
Damon Matthews @damonmatthews.bsky.social Climate scientist at Concordia in Montreal, co-creator of climateclock.net, Director of sustainabilitydigitalage.org and member of Canada's Net-Zero Advisory Body. Interested in carbon budgets, nature-based solutions, and many other things
Fran Seegull @franseegull.bsky.social President, U.S. Impact Investing Alliance & Executive Director, Tipping Point Fund on Impact Investing; fmr Ford Foundation & Chief Investment Officer at ImpactAssets #impinv #impactinvesting #econdev #socent #socfin
Erik Hoffner @erikhoffner.bsky.social Editor, photojournalist & award-winning podcast producer for nonprofit news outlet @Mongabay. Member of Society of Envi Journalists & Vermont Center for Photography
Mongabay @mongabay.com Award-winning nonprofit media outlet publishing global environmental science & news in 8 languages via bureaus in India, Brazil, Africa, Latin America, Indonesia & US: https://mongabay.com
Nature-based Solutions Initiative @naturebasedsols.bsky.social Enhancing the science, policy and practice of #naturebasedsolutions so they support thriving human and ecological communities.
Based in the University of Oxford @ox.ac.uk
https://www.naturebasedsolutionsinitiative.org/
Nicola Ranger PhD @nicolaranger.bsky.social Exec Director, Earth Capital Nexus | Professor in Practice at LSE | Natural Capital, Risk, Finance | Shaping finance for nature, resilience & a just future
Jon Corsiglia (he/him/el) | Eco-Economy Insider @ecoeconomyinsider.com The economics of a healthier planet, minus the sermons. Honest eco-swaps + good news that also makes financial sense. 30-yr environmental communicator. 💚💙 SF Bay Area 🌊
Free weekly newsletter 👇
https://eco-economy-insider.kit.com/join
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Bezos Earth Fund @bezosearthfund.org A commitment guided by Jeff Bezos and Lauren Sánchez Bezos to protect the best planet, Earth, and drive innovations inspired by nature.
Daniel Firger @dfirgs.bsky.social Climate-focused investor, advisor and innovator. Dad. Citizen. linkedin.com/in/danfirger
Jess Fanzo @jessfanzo.bsky.social The James Anderson Professor of Food Policy and Climate at Johns Hopkins University's School of Advanced International Studies (SAIS) in Bologna, Italy. Lover of goats, food + drink. Curator of thefoodarchive.com
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
Prof. Sonia I Seneviratne @soniaseneviratne.bsky.social Professor at ETH Zurich, IPCC WGI Vice-chair.
#Climate #Extremes #Land.
Citizen/mum/scientist. Personal account.
https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Chapter11.pdf
Twitter/X: @SISeneviratne
https://www.iac.ethz.ch/people/sonia
Valérie Masson-Delmotte @valmasdel.bsky.social PhD, climate scientist @lsce-ipsl.bsky.social @CEAParisSaclay @IPSL_outreach @hc_climat. Was co-chair @ipcc.bsky.social (AR6 WGI). Member of French Academy of Technology and Academy of Sciences.
Jacquelyn Gill @jacquelyngill.bsky.social Climate, extinction, and biodiversity scientist at the University of Maine researching Earth’s past for a better future. Writing and podcasting for the planet. Chaotic good professor. She/her.
Ed Hawkins @edhawkins.org Climate scientist at the National Centre for Atmospheric Science, University of Reading | IPCC AR6 Lead Author | MBE | Views own | https://edhawkins.org
Warming Stripes: http://www.ShowYourStripes.info
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
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/
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Prof Chris Foulds @chrisfoulds.bsky.social Prof of Sustainability & Society, Global Sustainability Institute, ARU, Cambridge, UK | energy, everyday, knowledges, governance, policy, interdisciplinary | sharedgreendeal.eu sshcentre.eu https://energy-shifts.eu shapeenergy.eu 
Alister Doyle @alisterdoyle.bsky.social Freelance environmental reporter, author of “The Great Melt”, formerly Reuters environment correspondent, MIT Knight Science Journalism Fellow
Colin Beale @cmbeale.bsky.social Ecologist, ornithologist & nature lover.
Professor of ecology & conservation at the University of York.
Author of 101 Curious Tales of East African Birds.
Chair of A Rocha UK.
Dr. Jen Baron @jbaron.bsky.social Assistant Professor of Fire Ecology at UBC Okanagan | Associate Editor at Fire Ecology
Fiona Broom @fifiboom.bsky.social Food, land, and seas reporter | AAAS Kavli 🥈 winner | Amateur mycologist | Now on Gunaikurnai country, previously in 🇬🇧🇳🇵🇮🇳🇱🇧
Greg Fiske @gfiske.bsky.social Putting science on the map at Woodwell Climate Research Center | Cartographer | Analyst | Senior Research Associate | Fly fisher | located in Woods Hole, MA, USA 
Alexandra Malm @alexmalm.bsky.social Climate comms lead at @ Médecins Sans Frontières. Opinions/views my own.
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us