City Observatory @cityobservatory.bsky.social Original research and commentary on what matters for city success. 
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.
Tara Connolly @taraconnolly.bsky.social All things energy transition, climate justice and safe streets in the EU.
Formerly at Greenpeace, Friends of The Earth and Global Witness. Now working at @beyondfossilfuels.
Irish immigrant in Brussels.
Amy Turner @amyturner.bsky.social Climate, cities, equity & law. Sabin Center for Climate Change Law, Sustainable Cities Fund and some other places.✨ MKE & NYC. 📚: “Urban Climate Law”
Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
Carly Ziter @carlyziter.bsky.social Urban & landscape ecologist thinking about nature-based solutions for biodiversity, people, and climate in the cities we live in. Prof @ Concordia. Probably talking about trees on the radio. Potter. Knitter. Baker. Gardener. Year-round cyclist. 🇨🇦 (she/her)
Jenny Bratburd @jbratburd.bsky.social Outreach program manager for NASA HAQAST | Climate change & health researcher | Microbiology PhD, UW Madison | Opinions are my own.
Vivek Srikrishnan @vsrikrish.bsky.social Climate uncertainty and risk. Decision-making under deep uncertainty. Assistant Professor, Cornell Biological & Environmental Engineering. Cat caretaker, Tottenham and the Knicks until they kill me. https://viveks.me
Peter Ibsen Ph.D @peteribsen.bsky.social Urban & landscape ecologist using field data, remote sensing, and modeling to build realistic ways of valuing nature in cities. Often thinking about urban heat, ecosystem services, and monarchs.
Ryan Harp @ryanharp.bsky.social Climate scientist studying our changing environment and how it impacts human health and society | University of Minnesota Climate Adaptation Partnership
Ufuoma (oo-fwo-ma) @doctorufu.bsky.social Incoming Asst. Prof UArizona Geography | Environmental Justice & Carceral Geographies | Founder of Toxic Prisons Mapping Project toxicprisons.com | itsufuoma.com
Wim Thiery @wimthiery.eu Climate scientist modelling extreme events in a changing climate, Full Professor @vubrussel.bsky.social. Previously research fellow @kuleuvenuniversity.bsky.social and @ethz.ch. Website: https://sites.google.com/site/wimthiery/
Stacy Porter @iceicestacy.bsky.social climate and atmospheric science educator
Enjoys frozen water, not federal goons.
Chris 📎 @dalekchap.bsky.social Tea drinker, vegetarian, atheist, animal fan, very happily married. 📎 Frenchie dad. He/Him. Geek.
James P. Collins @jpcollins.me UNC Planning PhD candidate studying geographies of climate risk and (im)mobility — jpcollins.me
Marcel Moran @marcelmoran.com San Francisco 🌁
City Planning, Sustainable Transportation, Spatial Science. Union Member. Assistant Professor. Banner by Bellows.
left-shark politics @andrewctenor.bsky.social Trying to figure out how to combine my loves for baroque music and hiking
Magda Maaoui, PhD @magdamaaoui.bsky.social housing + environmental health.
Asst. Professor of urban planning @gsd.harvard.edu
Co-lead healthy places design lab
Formerly OECD, Paris planning, Ad’A
www.magdamaaoui.com
currently working on hospitals x housing, any lead/personal story welcome
Jonathan Magnolia Gilligan @jmgilligan.org Integrating social & natural sciences & modeling to study climate change & society | Behavioral approaches to climate policy | Nashville TN | They/them 🏳️🌈 🏳️⚧️ genderqueer | Jew | Friends call me Maggie | My words aren't my employer's | magnoliagilligan.org
Sara Matthieu @saramatthieu.bsky.social Member of the European Parliament and coördinator of the Environment Committee, in love with Ghent❤️ proud mom - culturo - biker🚴🏻♀️
WRI Climate @wriclimate.bsky.social Advancing transformative climate solutions. Analysis, insights, and research from the Climate, Economics, Finance and Equity team at the World Resources Institute.
Kyle Blount, Ph.D. (they/them) @hydro-kyleb.bsky.social Assistant Professor, University of Illinois Springfield
PI, WATER Lab
Ecohydrology, water resource management, urban heat and microclimates, remote sensing, STEM education, and JEDI
https://kyleblount.weebly.com/
https://www.uis.edu/directory/kyle-blount
The Lancet Planetary Health @thelancetplanet.bsky.social An interdisciplinary #OpenAccess journal publishing research, review and comment on #Planetaryhealth #Environment, #SustainableDevelopment, and #SDGs.
🌐 thelancet.com/journals/lanplh/home
Charlie Roscoe, Ph.D. @charlieroscoe.bsky.social Environmental Epidemiologist 🍃Assistant Prof at OHSU-PSU School of Public Health & OHSU Knight Cancer Institute💚 Trained at Harvard Chan SPH, Dana-Farber Cancer Institute & Imperial College London🇬🇧 I’m into environmental health equity 🌳❤️ Nature is healing🍃
Leigh Stearns @leighstearns.bsky.social Climate and glacier scientist at UPenn.
Nature Portfolio @natureportfolio.nature.com Nature Portfolio’s high-quality products and services across the life, physical, chemical and applied sciences is dedicated to serving the scientific community.
AMS Board on Environment and Health @ams-health.bsky.social American Meteorological Society Board on Environment and Health #AMS2026 #17Health WEBSITE: https://www.ametsoc.org/stac/index.cfm/boards/board-on-environment-and-health/
Jesse Berman @jesseberman.bsky.social Environmental epidemiologist interested in air pollution, extreme weather, GIS, human health. Transplant from Brooklyn. Go Bills! Go Yankees! Opinions are my own.
Charles H. Simpson @charleshsimpson.bsky.social Researcher interested in climate change adaptation, energy, and health | UCL IEDE | Previously a neutrino physicist | Views own | He/him
@geethen.bsky.social @geethen.bsky.social 
Polina Khapikova @pkhapikova.bsky.social Caltech PhD candidate researching extreme heat, soil moisture, and atmospheric circulation | Interested in climate impacts, natural hazards, energy, and their intersections
Bees @apisbees.bsky.social I like bees and science. And helping with @metaminds.bsky.social
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
Daniel Schwarcz @danielschwarcz.bsky.social Fredrikson & Byron Professor of Law, University of Minnesota Law School
Interested in insurance law, regulation & policy and the impact of AI on lawyering.
Access my research here: https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=499486
Jonas Kittner @jkittner.bsky.social PhD Candidate, Urban Climatology working with crowdsourcing data | Python and open source enthusiast
Owen Atkin @owenatkin.bsky.social Professor of Plant Science. Director, ANU Agrifood Innovation Institute. St Kilda faithful. https://biology.anu.edu.au/people/academics/owen-atkin
@aaflores.bsky.social @aaflores.bsky.social Assistant Professor in the School of Geographical Sciences and Urban Planning at Arizona State University | Human-Environmental Geographer | Dogs, Sports
https://aafloresgeo.github.io/aaronbflores/
Alex Thompson, PhD @ajtclimate.bsky.social Research Scientist studying extreme precipitation | CIRES - CU Boulder | NOAA Affiliate - Physical Sciences Laboratory | PhD 2021 - University of Michigan
Xinchang “Cathy” Li @cathyxinchangli.bsky.social Linus Pauling Distinguished Postdoctoral Fellow @ Pacific Northwest National Lab. PhD from Univ. of Illinois Urbana-Champaign. Views are my own.
Urban Energy, Climate, Earth system modeling & AI/ML | Amateur Artist | Yogi. she/her
Adam Pollack @crispapoll.bsky.social Assistant professor @ Univ. of Iowa
Flood-risk management and decision support research
https://abpoll.github.io/
Dawn Nekorchuk @nekodawn.bsky.social 🏳️🌈 | Medical geographer, wildfire modeling, general GIS stuff | Tai chi & kung fu | Dog mom
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
@daleihao.bsky.social @daleihao.bsky.social 
Celeste Labedz @celestelabedz.bsky.social environmental seismologist - doctor of glacier vibes - geoscience educator - she/her - opinions only my own - puns only my worst
Gregory Wellenius @gwellenius.bsky.social Epidemiologist committed to helping communities around the world be healthier and more resilient in a changing climate through research and action.
Director, Center for Climate and Health, Boston U.
MPI, CAFE Research Coordinating Center
Opinions my own
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
Christopher Kibler @kiblerchris.bsky.social Earth system scientist
Lil’ Donny B 🍞&🎪🎪 @lildonnyb.bsky.social Anti-Capitalist, kitten parent, election data nerd, and guy trying to help people where I can. I am fine with spirited debate, my ideas can be annoying to many, but I won’t tolerate insults. Columbus Ohio
Kathryn Mathias @kathrynmathias.bsky.social UCalgary alum: BA Urban Studies and BFA Visual Studies (printmaking); mother, wife, sister, artist, former architectural drafter, Canadian 🇨🇦
Michelle Stuhlmacher, PhD @mstuhlmacher.bsky.social 🌏 humans + environment + urban landscapes 🛰️ | associate professor @ DePaul geography & GIS | 📍Chicago, IL
Thomas Wild @tombwild.bsky.social Interested in all things water, energy, and climate. Girl Dad, dog lover, and sports fanatic. Personal account.
m cawley @mcawley.bsky.social north carolina | public engagement with science | human-centered design | climate change | participatory methodologies | games
www.collaborativeheatmonitoring.org
Clare Heaviside @climateclare1.bsky.social Associate Professor at UCL working on urban climate, heat and health. NIHR funded population health fellow. Musician, living in Oxford.
Andrea McMahon @andrea-mcm.bsky.social 🛰️🗺️ Satellites and maps | Dpty. Director of Environmental Mapping at https://sig-gis.com/ | She/her | 🇩🇪 in 🇺🇸 | born at 351 ppm
Ryan Abernathey @rabernat.bsky.social Scientist and Startup Founder
Co-Founder and CEO @Earthmover
@pangeo_data steering council member
ex-Professor @Columbia @LamontEarth
Jeremy Guest @jeremyguest.bsky.social Personal account. Professor, Civil & Environmental Engineering, University of Illinois Urbana-Champaign. Obviously, views are my own, likes are endorsements. He / Him.
Chris Tessum @ctessum.bsky.social Assistant Professor of Environmental Engineering at UIUC
https://ctessum.cee.illinois.edu/
@drofcredit.bsky.social @drofcredit.bsky.social 
Ana M Vicedo-Cabrera @anavicedo9.bsky.social Environmental epidemiologist - Climate & Health. Assoc Professor at University of Bern. Mum in STEM, from Gandia (Spain)
Aurelio Tobias @atobias.bsky.social @CSIC Associate Research Professor | environmental epidemiology | it's weird to be the same age as old people | born at 324.23 ppm | tweets my own
Martin Röösli @martinroosli.bsky.social Professor of Environmental Epidemiology @SwissTPH, @unibas.
Interested in health and noise, radiation, air pollution and climate change.
ISEE Env Epi - Global @isee-global.bsky.social The International Society for Environmental Epidemiology. We support epidemiologists who study human health effects of environmental exposures around the world. iseepi.org
ISGlobal @isglobal.bsky.social Our official account on Bluesky is @isglobalorg.bsky.social. Follow us there to keep up to date with our latest news on cutting-edge research and other activities. Don't miss out!
Sophie Stroisch @sophiestroisch.bsky.social 👩💻PhDing at University of Groningen & University of Oldenburg | 📈Researching on mortality & health in 🇪🇺 cross-border regions
Robbie M. Parks @robbieparks.bsky.social Assistant professor at Columbia University
Pedro Gullón @pgullon.bsky.social Director General de Salud Pública y Equidad en Salud en España.
Muchas otras cosas más como obsesión por Star Trek o Doctor Who, mi perra o, siempre en todo, la defensa de un mundo más justo y mejor
Helen Macintyre @drhelenmac.bsky.social Principal Climate Change Scientist working on climate change & health including spatial modelling, urban environment, air quality, heat and cold, and co-benefits of climate action inc nature based solutions. Former geologist. PhD in Atmospheric Chemistry. 
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
Anderson F. Brito @andersonfbrito.bsky.social 🦠 Virology・💻 Bioinformatics・📈 Public Health
Scientific Coordinator @todospelasaude.bsky.social・Affl. Member @ABCiencias
Past: UnB/USP・PhD @ImperialCollege・Postdoc @yalesph.bsky.social
E. Rosalie @erosalie.infoepi.com Public health + national security • Johns Hopkins alum • Tracking mysterious weaponized pigeons and FIMI
Kai Chen @kaichenyale.bsky.social Associate Professor @YaleSPH @YaleDeptEHS. #Humboldtian Working on #ClimateChange, #AirPollution, and public health.
Pierre Masselot @pmasselot.bsky.social Assistant professor in Statistics and Environmental Epidemiology. EHM Lab, LSHTM.
Dr Ellie Murray, ScD @epiellie.bsky.social Epidemiologist and science communicator | newsletter: epiellie.substack.com | cohost @casualinfer podcast | Causal inference for public health #epitwitter | Canadian in US 🇨🇦 | she/her/Dr
Julie Bygraves @juliebygraves.bsky.social public policy writer:energy+water economic regulation, clim finance, eco restoration, Spain
ex-UK Treasury energy, EU Budget
18+ yr policy maker
Int’l forestry / deforestation
EU/UN chemicals negotiations
tax & digital transformation
KM
wildbourne_ebn@IG
Jan Kirsch, M.D., M.P.H. @drjanicekirsch.bsky.social Medical Oncologist/Hematologist
Occupational and Environmental Medicine
Public health
Climate activist
Universal Health Care Advocate
Michael Wagner @michiwagner4.bsky.social Prof. at Centre for Microbiology and Environmental Systems Science at University of Vienna, Austria and at Aalborg University, Denmark. Director of Cluster of Excellence "Microbiomes drive Planetary Health", Dad, Views are my own. 
Elaine Hill 📈📉 @elainelhill.bsky.social Dean’s Professor @UofR | @nberpubs |
🎓 @Cornell @oberlincollege | Director of Health and Environmental Economics Lab 🌎 | 🐾🏋🏻♀️🧘
Shouro Dasgupta, PhD @shourodasgupta.bsky.social Environmental economist, Fondazione CMCC
Lecturer, Ca' Foscari Venezia
Visiting Senior Fellow, @granthamlse.bsky.social
Labour, food (in)security, health, inequality
Dr. Jessica van Horssen @historiamagoria.bsky.social Associate Professor in History at McMaster University specialising in histories of environmental health and contamination. She/her
Norah MacKendrick @nmackend.bsky.social Sociologist—environment, health and gender.
Center for Environmental Health @ceh.org For a safer, healthier future.
Society for Epidemiologic Research @societyforepi.bsky.social Established in 1968 to foster epidemiologic research, the Society for Epidemiologic Research is the oldest and largest general epidemiology society in North America.
Alessandro Rigolon @alerigolon.bsky.social Associate prof of urban planning. Research on green space equity, green gentrification, climate adaptation, and health equity. Love SLC, my family, and the great outdoors. Opinions (good or bad) are my own 🇮🇹🇺🇸 🌩️👀 rJgnW3igNgz7
Marina Romanello @marinaromanello.bsky.social Executive Director @lancetcountdown.bsky.social
Views are my own.
Dr Maria Neira @drmarianeira.bsky.social Director,
Environment, climate change and health.
WHO
The Lancet Countdown on Health and Climate Change @lancetcountdown.bsky.social Bringing together experts from across the globe to track how climate change is affecting our health, and how the world is responding.
Funded by Wellcome.
The Global Climate And Health Alliance @gchalliance.bsky.social Global coalition of #health organisations tackling #climatechange to protect and promote public health. We mobilise the global health community and accelerates climate action to improve health for all. #ClimateAction is #Health action.
Sadie J. Ryan (she/her) @sjryan3.bsky.social 🌍🔮🌡️☣️🦟🏳️🌈 Prof. Medical Geography, Co-Director, FL Climate Institute, Assoc Dir, APPEX, building tools to anticipate climate-health impacts to prepare us for the future! Mum and wife, enjoyer of cheese. Rarely serious. She/her. Queer. All opinions are my own.
Dr. Gaurab Basu @gaurabbasu.bsky.social Physician, Division of Global Health Equity, Brigham and Women's Hospital
Assistant Professor, Harvard Medical School and Harvard T.H. Chan School of Public Health
Advocating for climate solutions for a just, healthy future for everyone.
Blanca Paniello Castillo @paniblanca.bsky.social 🌱 Climate & Health
👤 PhD Fellow at ISGlobal
💜 Co-founder of WGH-Spain
📚 Working on climate change adaptation and socio-economic factors
🌐 #ClimateAction #Equity
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
Tom Longden @tomecon.bsky.social 🇦🇺🇨🇿Researcher - 1st generation Uni - working on environmental, energy & health economics @ Western Sydney University Urban Transformations Research Centre
Wouter Poortinga @wouterpoortinga.bsky.social Professor of #EnvironmentalPsychology @WSofArchi, @PsychCardiffUni, and @cast-centre.bsky.social
Ffrîsiad a fabwysiadwyd gan Gymru
Interest in Public engagement with climate change, Sustainable lifestyles & behaviour, and Environment & health
Salvador Ayala @ayalasalvador.bsky.social Health Geographer • Spatial Epidemiology • Climate & Health • Researcher at @cepsudd
Mapas Milhaud @mapasmilhaud.com Mapas para entender un poco mejor el mundo // Maps to understand the world a little better
📧 Newsletter (🇪🇸): newsletter.mapasmilhaud.com
📧 Newsletter (🇬🇧): www.cartographerstale.com
🗺 Mapas / maps: mapasmilhaud.com
🥔🗺️ ᴘᴏᴋᴀᴛᴇᴏ ᴍᴀᴘs @pokateo.bsky.social 👋🏻 I'm Kate ᵉᵃᵗᵉʳ ᵒᶠ ᵖᵒᵗᵃᵗᵒᵉˢ ᵃⁿᵈ ᵐᵃᵏᵉʳ ᵒᶠ ᵐᵃᵖˢ
🌐 I make #geospatial & #GIS (more) fun by sharing #mappymeme s & #maptastic themes. #GISchat. ᵛᶦᵉʷˢᵐᶦⁿᵉ
http://linktr.ee/pokateo_maps
Epic Maps @locations.bsky.social Educational and informative word maps.
Scroll Down & Get More Knowledge.
Le Cartographe 🗺️🍷 @lecartographe.bsky.social A. Nicolas. Cartographe/géomaticien. #SIG #HautesAlpes #CNRSÉditions #ToponymieRomantique #QuizzTown #PosterCarto 🌍🍷🗺
www.le-cartographe.net
Kenneth Field @kennethfield.bsky.social Cartography is my passion & profession. Author of CARTOGRAPHY. & THEMATIC MAPPING. Maps+drums+snowboards+footy+sarcasm. 🇬🇧 in 🇺🇸 Views mine. links.esri.com/mappyhour