Catalina Jaime @catalinajaime.bsky.social Head of Secretariat Risk-informed Early Action Partnership REAP - IPCC lead author AR7 & Trustee @MapAction 🇨🇴
Rob Marchant @rob-marchant.bsky.social I am a professor of tropical ecology at the University of York. I have a passion for Mountain ecosystems and cultures across the Global South, particularly in Kenya and Tanzania where I work with many Universities, NGOs and Government organisations.
Carolina Adler @drcarolinadler.bsky.social Director Mountain Research Initiative @mtnresearchmri.bsky.social, Co-lead GEO Mountains @geomountains.bsky.social, Lead Author #IPCC #SROCC #AR6 I #scipol #climate #transdisciplinarity #mountains #OurChangingMountains I 🇨🇱🇦🇺🇨🇭, own views
Pauline Trepczyk @paulinetrepczyk.bsky.social Also known as Paula. Advocacy and Communications Officer at SOFF, hosted by WMO. Co-Founder of youth NGO CliMates Austria.
Sinéad Barry @sineadbarry.bsky.social Climate, peace, and security | Reintegration and post-conflict transitions | Sporadic journalist
Opinions my own (at best).
@benjaminpohlberlin.bsky.social @benjaminpohlberlin.bsky.social Foreign policy, climate crisis, Berlin & rants on random stuff. May contain sarcasm.
Cedric de Coning @cdeconing.bsky.social Research Prof @NUPInytt @ACCORD_online @EffectivePOps @T4PAfrica #Complexity #AdaptivePeace #PeaceOperations #Peacebuilding #ClimatePeaceSecurity #AfricaNordic 🇳🇴🇿🇦
Caroline Baxter @ccbaxter.bsky.social Impact and leverage are not verbs. I am not your key stakeholder.
Sonaar Luthra 💧❄️🌧️🧊🌊 @sonaar.bsky.social 🌏 I forecast water & climate risks. AMA☔️
🌱Senior TED Fellow, Truman Fellow, RAND Pardee fellow, Harvard adjunct🦫
☀️SoCal-based, MN-born, 1st gen Punjabi🥁
💧Water Canary Founder🐤
Climate is the message but #water is the medium: go.ted.com/sonaarluthra
Catherine Wong @catherinewong01.bsky.social @UNDP Global Team Leader - Climate & Security Risk | #ClimateSecurity Mechanism | #ClimatePromise #WaterforPeace #msc_myl | @UNDPCPS.bsky.social | Views my own.
Kayly Ober @kayly.bsky.social Climate mobility @carnegieendowment.org • Author Groundswell (World Bank) & Migration and Displacement in a Changing Climate (Cambridge)• Also: 🚲🐈🏳️🌈 • Views=own •📍DC (for now)
Cullen Hendrix @cullenhendrix.bsky.social Senior Fellow at Peterson Institute. Sustainability, security, and political economy. Heart masquerading as head since 1977.
You may not believe in climate change, but your insurance company does.
Jocelyn Perry @jocelyngperry.bsky.social Climate adaptation, mobility, displacement, participatory policymaking & community building
Currently: @refugeesinternational.org & @blavatnikschool.bsky.social | Previously: Too many places | Always: Philly nationalist | Opinions mine
www.jocelynperry.com
Jennie King @jkingy.eurosky.social Professionally Online. Director of Climate Research & Policy @ ISD www.isdglobal.org. Co-founder @ Climate Action Against Disinformation www.caad.info.
Come for the heady combo of conspiracies, hate and extremism; stay for the whimsical use of semicolons.
Mark Nevitt @marknevitt.bsky.social Associate Professor @Emory Law. Former aviator, Navy JAG. Climate change, environmental law, and security. https://law.emory.edu/faculty/faculty-profiles/nevitt-profile.html
Writing: https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=1916527
Tobias Pietz @topietz.bsky.social All about #PeaceOperations #CrisisManagement missions & #ClimateSecurity #CSDP #UN. Doing some analysis at @zif.bsky.social. Here only private views. #Hamburg #FCSP St. Pauli
Florian Krampe @floriankrampe.bsky.social Director Climate Change & Risk Programme @SIPRI.org | #ClimateSecurity, conflict, peacebuilding, & security | PhD Uppsala Peace | 🇸🇪🇩🇪 | Geriatric Millennial. FlorianKrampe.org
Mike Copage @copage.bsky.social Head - Climate & Security Policy Centre with the Australian Strategic Policy Institute.
Formerly Govt 🇨🇦 climate mitigation & adaptation plans/policy
Chad Briggs @chadmbriggs.bsky.social Disaster risk & crisis management professor at AIM in Manila, hybrid warfare & disinfo researcher, purveyor of climate security and undesirable futures. RPG writer. Past lives in Alaska, Kosovo, Ukraine, Hungary, Ireland and elsewhere 🇨🇦
Geoff Dabelko @geoffdabelko.bsky.social Environment, climate, peacebuilding & security plus age-friendly & climate resilience in our Grey Green Alliance. Prof at Ohio University, partnering with Wilson Center, SIPRI, OSU Age-Friendly Innovation Center
Tom Ellison @123tomellison.bsky.social -Humor in McSweeney’s, New Yorker, etc.
-Climate change, security, & disinformation by day
-Preorder my Alpha male satire: MANTHOLOGY, by Chud Buffly
https://tinyurl.com/msa64vc3
Personal views
Tanner Regan @tannerwdregan.bsky.social Economist at George Washington University
tannerregan.github.io
Florian Ederer @florianederer.bsky.social Austrian 🇦🇹
Economist 📈
Not an Austrian Economist
Allen & Kelli Questrom Professor
BU Questrom, NBER, ECGI & NBER
https://florianederer.github.io/
Jamie Males @jamiemales.bsky.social Executive Editor of @plosclimate.org 🌍
http://plosclimate.org/
Botanophile / Plant Science PhD 🌱
9-5: Publishing and Open Science 📈
Other times: Plants, walking, churches, bells 🔔
Cambridge, UK
🏳️🌈
Richard Allan @rpallanuk.bsky.social Professor of climate science at the University of Reading: http://www.met.reading.ac.uk/~sgs02rpa/
Anna Stansbury @annastansbury.bsky.social Economist: Labo(u)r, Macro, Inequality || Ass't Prof @MITSloan @MIT_IWER || Nonres fellow @piie
@maimbofinance.bsky.social @maimbofinance.bsky.social 
Andy Norton @andynortondev.bsky.social Various including climate science, climate finance/politics, inequality. Applied anthropologist. Professor of Practice SOAS.
Just angry @mkwong.bsky.social Angry as hell. Who isn’t right now?. Views my own - expect a little noise. (smoking girl by Yoshitomo Nara).
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Internal Tech Emails @techemails.bsky.social Internal tech industry emails that surface in public records. 🔍 https://techemails.com
Cameron Hepburn @cameronhepburn.bsky.social Battcock Professor of Environmental Economics, Smith School, Oxford University, co-founder of Vivid Economics, Climate Bridge, and Aurora Energy Research; investor in early-stage climate ventures.
Dzhamilya (Jamila) Nigmatulina @jamilan.bsky.social Economist | Assistant Professor at HEC Lausanne | PhD at LSE
Crisis Group @crisisgroup.org We're an independent, non-profit, non-governmental organisation, committed to preventing and resolving deadly conflict.
Phillips OBrien @phillipspobrien.bsky.social Professor of Strategic Studies, Author, Lover of Sicily. Purveyor of a “righteous-but-rational vibe”
Prof. Tom Tanner (SOAS) @tommytanner.bsky.social Climate and development researcher, educator and do-er
At SOAS dept of DevStudies, head of Centre for Dev, Env and Policy (CeDEP), associate with ODI
David Evans @daveevansphd.bsky.social Economist at the Center for Global Development. Formerly: Inter-American Development Bank, World Bank, RAND Corporation, & my local movie theater. I mostly share about international development research plus books and movies. Views mine, not my employer's.
Nick Huntington-Klein @nickchk.com Econ prof at Seattle University. Book The Effect http://theeffectbook.net out now! Substack https://nickchk.substack.com/ Twitter @nickchk
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
Stephane Hallegatte @hallegatte.bsky.social Chief Economic Advisor - Climate Change Group - the World Bank - toward Resilient Net Zero Development - personal opinions
Pierre Friedlingstein @pfriedling.bsky.social Born at 321 ppm. Climate & Carbon Cycle Scientist. Prof @UniofExeter Directeur de Recherche @CNRS @GlobalCarbonProject
Alice Evans @draliceevans.bsky.social Visiting Associate Professor at Stanford University
Writing "The Great Gender Divergence"
Substack: www.ggd.world
Ugo Gentilini @ugentilini.bsky.social Social protection evidence & practice; weekly newsletter: www.ugogentilini.net; new book: “Timely Cash: Lessons From 2,500 Years of Giving People Money” https://academic.oup.com/book/58850.
George Monbiot @georgemonbiot.bsky.social Ungainly on land
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Leo Hickman @leohickman.carbonbrief.org Editor and director, Carbon Brief
https://bsky.app/profile/carbonbrief.org
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
Carbon Brief @carbonbrief.org Award-winning journalism focused on #climatechange, science, energy and policy. Subscribe to our free newsletters: http://bit.ly/CBnewsletters or visit our website: https://www.carbonbrief.org/
Follow our journalists: https://go.bsky.app/6X95R1T
Peter Stott @stottpeter.bsky.social Climate Scientist at Met Office and University of Exeter. Author of Hot Air: The Inside Story of the Battle Against Climate Change Denial
Joeri Rogelj @joerirogelj.bsky.social prof. climate science & policy | Imperial College London | 1.5C/net zero/carbon budget/pathways/justice | IPCC & UNEP lead author | ESABCC member | father
Ken Rice @kenrice.bsky.social Interested in #scicomm, in particular about astronomy and climate change. Professor of Computational Astrophysics and Head of Institute for Astronomy, Univ. of Edinburgh. Views own, of course.
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.
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Tamsin Edwards @flimsin.bsky.social Professor in Climate Change, King's College London. Climate science, communication, recovering from ME/CFS. 🏳️🌈 🇦🇶 🧊
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/
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
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
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
Naomi Oreskes @naomioreskes.bsky.social Historian, Earth Scientist, Writer, Public Intellectual.
Books: Merchants of Doubt; Collapse of Western Civilization; Science on a Mission; Discerning Experts; Why Trust Science?; The Big Myth. Loves: Chocolate, Red Wine, Skiing, family. Hates: Beets.
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
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
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
Peter Gleick @petergleick.bsky.social Climate, water, birds, bluegrass mandolin. Member US National Academy of Sciences, MacArthur Fellow, Carl Sagan Prize, author of The Three Ages of Water (2023) and When the Well Runs Dry (2026). Email me at pgleick (at) gmail.
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
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
Robert Rohde @rarohde.bsky.social Chief Scientist for @berkeleyearth.org.
Physics PhD & data nerd. Usually focused on climate change, fossil fuels, & air quality issues.
CompoundNET @compoundnet.bsky.social We're a network for anyone interested in compound events, where we can share our work and discuss all things compound events.
Our sites:
www.compoundevents.org
https://www.risk-kan.org/working-group-compound-events-and-impacts/
@Compound_Event on Twitter
Casey Ivanovich @ccivanovich.bsky.social Postdoc @ NYU studying climate extremes 🌎 she/her
https://ccivanovich.github.io
Lily-belle Sweet @lilybellesweet.bsky.social PhD student at UFZ - interested in explainable machine learning, agriculture and food security, compound climate events 🌾
Ben Hague @bhcoastal.bsky.social Australian coastal and climate scientist, with a focus on informing adaptation | Tubist | Occasional Jogger | Views are my own
Acacia Pepler @acaciapepler.bsky.social Climate scientist interested in how weather systems and their impacts are changing in a changing climate
Sarah Perkins-Kirkpatrick @sarahinscience.bsky.social Professor, Climate Science | heatwaves | ANU Fenner School | Deputy Director Engagement & Impact, @21centuryweather | convening lead author @IPCC AR7 | co-host totally cooked podcast | @AMOS president | Climate Comms | Mother | Runner | #ADHD
Jonathan Wider @jonathanwider.bsky.social PhD student @ufz.de and @scadsai.bsky.social. Interested in applying ML to study weather, climate, and compound extreme events.
Dr Doug Richardson @dresearchdson.bsky.social Climate, energy & compound events
@ ARC Centre of Excellence for Climate Extremes
@ UNSW Sydney
https://github.com/dougrichardson
Emanuele Bevacqua @bevacquae.bsky.social Climate scientist • Physicist • Group leader @ufz_de • Compound weather/climate extreme events • 🎨 • ❄️ • he/him
Colin Raymond @regclimo.bsky.social Climate scientist at UCLA
Ana Bastos @anabastos.bsky.social Prof. for Land Atmosphere Interactions @Leipzig University. Nerd, born 350ppm, still believing another world is possible. Powered by #AuDHD, glitches can happen 🧠🌈 Opinions my own.
Dr Chloe Brimicombe @chlobrim.bsky.social 🌞 Climate Scientist
☔ Post-doc at University of Oxford
🥵 Research in Climate Change, child and women health and policy.
Own views 👀
#heatwaves #scicomm
Kai Kornhuber @kornhuber.bsky.social Theme Lead Weather Extremes & Climate Dynamics at IIASA, adj. assoc. Research Scientist LDEO, Co-Chair Risk KAN
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
Laura Suarez-Gutierrez @drlaurasuarez.bsky.social Asst. Professor at Wageningen University. Investigating worst-case heat and drought and its impacts.
Former MSCA Fellow at ETH and IPSL, PhD at MPI for Meteorology. (She/her)
Jakob Zscheischler @zscheischlerjak.bsky.social Earth system scientist @UFZ & Prof @TUdresden, expert on compound weather and climate events
Dr Cass Rogers @cassro314.bsky.social Aussie climate scientist specialising in compound heatwaves/extreme heat/humid heat. Previously at WSU Vancouver and Monash University. Opinions are my own 🌏 (she/her)
Miguel D. Mahecha @miguelmahecha.bsky.social Earth system data sciences Prof. @UniLeipzig @RSC4Earth related to @UFZ_de @iDiv @SCADS.AI, worried about climate extremes, biodiversity, the human-environment nexus and the 🌎's future in general. Editor with https://www.earth-observation.net/
Dirk Eilander @dirkeilander.bsky.social Senior hydrologist @Deltares & assistant professor @VU Amsterdam with focus on understanding (compound) flood risk and adaptation. Python and open source enthusiast; developer of pyFlwDir and HydroMT.
Katharina Küpfer @kkuepfer.bsky.social PhD student working on the serial clustering of multiple extreme events at the Institute of Meteorology and Climate Research at @KITKarlsruhe
Flavio Lehner @climateflavors.bsky.social Climate Scientist
Assistant Professor @ Cornell University
Chief Climate Scientist @ Polar Bears International
https://flaviolehner.eas.cornell.edu/ 
Jana Sillmann @janasillmann.bsky.social Climate scientists focusing on climate extremes and their impacts, climate risk and sustainability. Professor at University of Hamburg
https://www.fnk.uni-hamburg.de/2-research/research-group-climate-extremes/team/sillmann-jana.html
Erich Fischer @erichfischer.bsky.social Climate scientist investigating weather and climate extremes, professor at ETH Zurich (@ethzurich.bsky.social), fascinated by weather and climate, IPCC AR6 lead author
Andreia F. S. Ribeiro @afsribeiro.bsky.social Climate researcher @UFZ with focus on climate extremes and compound events. http://www.afsribeiro.com/
Javed Ali, PhD @javedali.bsky.social Water Resources Engineer & Climate Data Scientist working on multi-hazards risk assessment, compound events, water systems modeling, impacts of natural hazards, climate resilience and climate change adaptation
🔗 Website: https://www.javedali.net
Mona Hemmati @monahemmati.bsky.social Global TC Peril Lead @GallagherRe| Adjunct Associate Research Scientist @LamontEarth @ColumbiaClimate | Studying climate with a focus on #ExtremeEvents | Views are my own.
Philip Ward 🟥 @philipward.bsky.social It's me, hi 👋
Professor of Global Risk Dynamics at IVM - VU Amsterdam
Senior Expert Disaster Risk Reduction and Climate Change Adaptation at Deltares
Coordinator of MYRIAD-EU project
Yann Quilcaille @yannquilcaille.bsky.social Climate scientist. Postdoc at ETH Zürich, former postdoc at IIASA
Speciality: #climate, #emulators, #extremes, interface human/Earth systems
#TIME100 Climate
LinkedIn: YannQuilcaille
Posts are my own.- S Dr Harald Grabher @soecoharry.bsky.social Social ecologist, sustainability scientist, development practitioner, researcher on social metabolism and practice changes towards the sustainability transformation.
Maria Katherina Dal Barco @mariakatherina.bsky.social ✍️ PhD candidate in Science and Management of Climate Change - Ca' Foscari University of Venice
🌍 Jr. Research Associate at Fondazione CMCC for AcquaGuard and Myriad-EU projects