Doug Edmonds @hoosierriver.bsky.social Rivers, sediments, models, satellites, and rocks.
Professor at Indiana University in Earth and Atmospheric Sciences
https://sedimentology.earth.indiana.edu/
Nathan Brown @oslrocks.bsky.social Luminescence! Geomorphology, active tectonics, geochronology, thermochronology. https://nathandbrown.wixsite.com/home
Jake Hosen @jakehosen.bsky.social Asst. Professor | Ecosystem Science & IoT | Purdue Forestry & Natural Resources | he/him | Opinions posted here are my own
Aaron Bufe @aaronbufe.bsky.social Earth scientist | Professor at the University of Munich | Interested in geomorphology, rivers, tectonics, and earth surface geochemistry. (he/him)
Jane Willenbring @geojane.bsky.social I study the science of scenery! Earth & Planetary Sciences professor @ Stanford; Former: #REU alum; #McNair Scholar; In Picture a Scientist Film; views my own.
Kevin Anchukaitis @thirstygecko.bsky.social Climate scientist, paleoclimatologist, dendrochronologist, University of Arizona | https://kanchukaitis.github.io/ | Opinions are mine and not that of my employer
Gavin Foster @thefosterlab.bsky.social Palaeoclimatologist and isotope geochemist at the University of Southampton. Love/hate relationship with mass spectrometers. Researcher of climate science, coral reefs, biomineralisation, laser ablation, isotopes and geology. Views my own
Datu Adiatma @datu.bsky.social Geologist - Isotope Geochemist - Stratigrapher - Runner
weathering, diagenesis, paleoredox, numerical models, stratigraphic correlation, and everything in between
Postdoc at Maglab and EOAS FSU
www.adtma.pw
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
Rachel Gabor @riverchem.bsky.social Chemist turned hydrologist/biogeochemist - all things carbon and water. 
Seth Finnegan @sethf.bsky.social Marine paleobiologist & geologist @ UC Berkeley Integrative Biology & UC Museum of Paleontology
Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social I make ice cream and do science and suck at fly fishing. YYC
glaciers - geohazards - climate - geomorphology - geomatics - gelato
He/him
Fellow, @rcgssgrc.bsky.social
Mark Tingay @marktingay.bsky.social The Mud Volcano Guy - I love and study mud volcanoes! Geomechanics & pore pressure specialist. Opinions my own.
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
Adam Forte @topoismyforte.bsky.social Associate Professor at LSU leading the SPATlab and studying mountains, rivers, and the things they do to each other | AE of Tektonika | Software tinkerer | he/him/his | https://sites.google.com/view/adam-m-forte
Lizzy Trower @lizzyt.bsky.social Process sedimentology + geobiology; assoc. prof. @ CU Boulder; queen of ooids; (ultra)trail running + dog petting; opinions are my own. she/her
Zoltán Sylvester @zzsylvester.bsky.social Research professor at UT Austin | geology | sedimentology | rivers | python | mountains | running | opinions are my own | he/him
zsylvester.github.io
Dr. Rebecca Barnes (she/her) @waterbarnes.bsky.social Chronicling science, pet, & art adventures. #biogeofeminist catalyzing change -- to make the scientific enterprise welcoming & just. Sometimes creative, always sassy 🏞️⚛️💦🌿🏳️🌈☮️💙⚒️✍️🎨🐾
Drew Steen @drewsteen.bsky.social I do science about the ocean, organic carbon, weird microbes and their enzymes. Associate Prof, Marine and Environmental Biology, USC. He/him.
Kathleen Johnson @cavesandclimate.bsky.social Professor, UC Irvine; Paleoclimate, speleothems, geochemistry, community-engagement, climate justice; #NativeinSTEM; she/her
Owen A. Callahan, Ph.D. @eegeos.bsky.social Structural and geothermal geologist. Water/rock interaction, faults & fractures, deformation, mineralization, hot springs. UAS, GIS. Owner, En Échelon Geosolutions (www.eegeos.com). He/Him.
Dr. Josh Bregy @prehistormic.bsky.social Climate scientist & paleoclimatologist. Paleohurricanes, paleoclimatology, hydroclimate, modern TCs, & coastal hazards. Multiproxy. Tea. Sake. Ultimate. Ecosocialist. Hispanohablante también. ADHD. He/Him.
Geology Johnson @geologyjohnson.bsky.social Geologist of Precambrian mud and tiny fossils. Working Class. Northern. ND. He/Him. Comms Open https://brookejohnsonillustration.carrd.co/
Dr. Frances Rivera-Hernández (she/ella) 🇵🇷🚀 @francypants.bsky.social planetary geologist & prof at Georgia Tech | 💜sediments & ice | #Boricua #LatinxInSTEM #GeoLatinas | Jíbara de Aguas Buenas, PR 🇵🇷 | #MomInAcademia
Jennifer Biddle @jenbiddle.bsky.social Taking over the world one microbe at a time.
Taking myself not too seriously.
Patrick Rafter @oceanandclimate.bsky.social Ocean, carbon cycling, and climate: yesterday, today, and tomorrow
Karen Lloyd @karenlloyd.bsky.social Subsurface microbiologist/biogeochemist, runner, laugher, wife, parent, TED speaker, Wrigley Prof. at U. Southern California, she/her, got a book coming out in May 2025 called INTRAterrestrials: Discovering the Strangest Life on Earth
Karl Lang @skeptikarl.bsky.social Studying the science behind the scenery
Samuel Muñoz @paleomunoz.bsky.social Geoscientist at Northeastern studying hydroclimate and it’s connections to social and environmental systems. Sediment, rivers, coasts, people, and (pre)history.
Emily Estes @moxnrox.bsky.social Sediment geochemist and adventure buddy of one goofy dog. Maple syrup devotee. Delighted ALX resident.
Joel Scheingross @jscheingross.bsky.social Interested in all things geomorphology and weathering, inclusive community building and punk rock. 
Prof. David Boutt @davidboutt.bsky.social Professor, @UMass-Amherst, Hydrogeologist, Groundwater in Catchment-Scale Hydrologic Processes, he/him #lithium #sustainability #water
https://www.boutthydro.com/
Erin Hotchkiss @fluvialbenthos.bsky.social I am a scientist who works (& plays) in waterways to understand their health & function.
Associate Professor in Biological Sciences & Global Change Center Faculty Affiliate @ Virginia Tech. UWYO/Emory alum. she/her. Posts=my opinions. www.hotchkisslab.com
Simon Mudd @simonmariusmudd.bsky.social geomorphologist
Sam Kastner @docslaw.bsky.social way too online oceanographer (he/him)
April Abbott @aprilabbott.bsky.social Geochemical Oceanographer / Paleoclimatologist; Assistant Prof of Marine Science; dog lover and outdoor enthusiast; she/her
Elise Wilkes @ebwilkes.bsky.social Analytical Chemist | Mass Spectrometry, Metabolomics, Isotope Biogeochemistry
Cara Manning @carabonate.bsky.social Assistant Professor and principal investigator of the Gas Biogeochemistry Lab at the University of Connecticut Department of Marine Sciences - 🇨🇦😻👩🏻🔬🫧🌊 - www.caramanning.com
Benjamin Mills @bjwmills.bsky.social Professor of Earth System Evolution // University of Leeds
Chair of Earth System Science Group of the Geological Society of London.
Research group: https://earthevolutionmodelling.com
Life and Planet Conference: https://lifeandplanet.com
Daniel A. Frick @daf.li Analytical (Geo)Chemist @KielUni
#IfG | ultimate | all opinions are my own.
Bernhard Aichner @baichner.bsky.social Geoecologist, environmental chemist, paleoclimatologist, bassist. // Landesamt für Umwelt Brandenburg. Hier privat. https://tinyurl.com/45chtc2p https://tinyurl.com/4j2ydmzx. // Berlin & Niederbayern. // Posts in English und auf Deutsch. 
Brenhin Keller @brenhinkeller.bsky.social Assistant Prof. of Earth Sciences, Dartmouth College
Geochronology | Petrology | Earth History |
Computational Science | HPC | #julialang | he/they
Adam Ward @wardhydro.bsky.social Water resources science, engineering. & policy. Dad & partner. Professor & Dept Head, Oregon State Dept. of Biological & Ecological Engineering
Gordon Inglis @climategordon.bsky.social Climate scientist currently on secondment at DESNZ working in Energy Security | Royal Society Dorothy Hodgkin Fellow & Principal Research Fellow at University of Southampton |
Jeff Catalano @jeffcatalano.bsky.social Aqueous geochemist and mineralogist, soon-to-be-former journal editor-in-chief, director of an interdisciplinary undergraduate program on the environment, dog lover.
JP Gannon @jpgannon.bsky.social Collegiate Associate Professor at Virginia Tech. Catchment hydrology, data sci, teaching, undergrad research. bikes. he/him http://vt-hydroinformatics.github.io
James Rae @mudwaterclimate.bsky.social Climate scientist and geochemist
@UnivofStAndrews
| CO2 & ocean circulation past & present | Social & Environmental justice
Tian Y. Dong, Ph.D. @tydelta.bsky.social Assistant Professor in Geosciences (Geomorphology)
University of Texas Rio Grande Valley (UTRGV)
📍Edinburg, TX
https://tian-y-dong.org/
Tim Jesper Suhrhoff @climatejesper.bsky.social Geochemist @Yale | enhanced rock weathering | biochar | CDR 
Luca Malatesta @geoluca.bsky.social Geologist at GFZ and Tohoku University. Interested in all things tectonic and climatic geomorphology.
https://www.gfz-potsdam.de/en/staff/luca.malatesta/sec47
ORCID https://orcid.org/0000-0003-0983-715X
Brian Romans @clasticdetritus.bsky.social Virginia Tech Geosciences professor (vtsedsystems.org) ⏐ sedimentology, (paleo)climate, tectonics, sedimentary basins, subsurface geology, geoeducation ⏐ listening and learning 
Sarah Flynn @ecosarahflynn.bsky.social Postdoc in coastal wetland biogeochemistry | KNZ ➡️ GCE | Interested in terrestrial-aquatic interfaces | Actually three kids in a trench coat | she/her | BLM
https://ecosarahflynn.weebly.com/
Prof Dan Parsons @bedforms.bsky.social Dad to 3 & husband to @ParsnipsParsons 😍 Pro-Vice Chancellor @LboroUniversity. Prof Geosciences: floods, sediments, plastics, sustainable energy & net zero 🌍
Dr Will Homoky @willhomoky.bsky.social Associate Professor | Earth Surface Science Institute | University of Leeds | Geochemistry, Oceans & Sediments | Trace Metals & Carbon | he/him
The Geochemistry Group @geochemgroup.bsky.social A group of geochemists, promoting geochemistry and early career geochemists. Special interest group of the Mineralogical Society of Great Britain and Ireland, and The Geological Society of London.
Alex Lipp @alexlipp.github.io Lecturer in Earth Sciences @es-ucl.bsky.social | Interested in rivers, mud, mountains, pollution, carbon cycling, quantitative methods, open science | alexlipp.github.io | www.sewagemap.co.uk | he/him | 🌍 🌱 🏔 🧗♂️ 🏕 🏃♂️
Julia Knapp @jlaknapp.bsky.social Assistant Professor at Durham University, UK. Hydrologist
Jeremy Venditti @venditti.bsky.social River Scientist
Dan Scott @geomorphdan.bsky.social Fluvial geomorphologist. Wood, sediment, and everything else a river is.
Sam Giles @gilespalaeo.bsky.social Scientist and palaeobiologist | she/her/hers | Royal Society Senior Research Fellow in Birmingham, UK and Lapworth Museum Academic Keeper | 🏳️🌈 | too many pets | currently mostly migraines |
Sarah Greene @carbonatefan.bsky.social Carbon cycle enthusiast🌊🧪⚒️🖥️ | Professor of Earth Sciences, University of Birmingham | Director CENTA NERC DTP | Immigrant: NYC ➡️ UK | she/her
Jill A Marshall she/her 🇺🇸 @happygeojill.bsky.social 🇺🇦All the surface processes! Trees! Frost! Paleo frosty lands!
Climate change is real.
Systemic inequality is real. We need DEI actions and LBGQT+ protections 💙
Resist if you are in a position to do so.
Matthew E. Clapham @mclapham.bsky.social Paleontology professor at UC Santa Cruz, studying mass extinctions and effects of climate change on marine life in the fossil record. He/him, Canadian, ♠️. https://people.ucsc.edu/~mclapham
Josh Ahmed @geomorphicjosh.bsky.social PDRA in Pollution & Coastal Risk at Queen Mary University of London (UK). Geomorphologist, Space Observer, Meandering Rivers, Oxbow Lakes, Soils, Landfills, & Mars.
Julia @juliamorphology.bsky.social 
Sarah Feakins @sfeakins.bsky.social Professor at USC Earth Sciences; Editor-in-Chief AGU's Paleoceanography and Paleoclimatology. Runs #leafwax #isotope lab; paleo perspectives on water, plant life and climate change; OG on IODP Exp 401.
Dr. Tripti Bhattacharya @triptychphrases.bsky.social Monsoon enthusiast, cat mom, occasional musician. Associate Professor at Syracuse University, Principal Investigator of Paleoclimate Dynamics Lab. https://trbhatta.expressions.syr.edu/. Reposts are not endorsements. Views are my own.
Chris Junium @chrisjunium.bsky.social Stable isotope and organic geochemist at Syracuse University with broad interest in geobiological problems. Dad, husband, and experimental home food scientist. I have a nitrogen fixation. I mostly post science and food.
Dr. Asmeret Asefaw Berhe @aaberhe.com Scientist, educator, advocate for inclusive excellence in STEM. Former Director of DOE Office of Science.
Soil biogeochemistry | Climate Change |Political Ecology.
aaberhe.com
Celeste Labedz @celestelabedz.bsky.social environmental seismologist - doctor of glacier vibes - geoscience educator - she/her - opinions only my own - puns only my worst
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Gregory Henkes @isotopogrog.bsky.social Associate Professor of Geosciences at Stony Brook University. Lover of isotopes, especially of the stable and rare varieties 🔬. Fledgling AE @ GSAB. Father of 2 💪👯♀️, spouse, and collector of 🐔🥚
Phoebe Cohen @phoebefossil.bsky.social Answering big questions with tiny fossils. Paleontologist, earth scientist, liberal arts professor, opinion holder. She/her. @makeaplanetpod.bsky.social
Erik Haroldson @erikharold.bsky.social Economic Geologist, Isotope Geochemist, Fluid Inclusionist, Asst Prof, CSU Sacramento, he/him
Benjamin Gill @sedgeochem.bsky.social Biogeochemist. Dad. Earth Historian. Gardener. Professor in the Department of Geosciences at Virginia Tech. He/him.
Nagissa Mahmoudi @nagissa.bsky.social Associate Professor at McGill University 🇨🇦
Interested in what microbes eat in the ocean and why. #microbes #carbon #biogeochemistry.
www.geomicromcgill.com
Dr. Wendy Bohon @drwendyrocks.bsky.social Earthquake geologist 🧪⚒️ | Scicomm specialist 🎙️| Formerly USGS, IRIS, NASA | she/her | Views are mine | website: https://wendybohon.com/
“A delightful blend of scientific rigor and domestic chaos.”
Ryan J Hollister @phaneritic.bsky.social Earth & EnviroSci Educator, Central Valley equity/sustainability advocate, Hiker, Photographer, 2015 NAGT FW Outstanding Educator. 🌋 Tissue Box Maker.
❤️🏕⛰🏜 w/ @Xenolith & Z.
Dr. Lynne Elkins @ljelkins.bsky.social Volcanologist, petrologist, isotope geochemist, & geology instructor and researcher at West Chester U! I study the Earth using fieldwork, geochemistry, and computational modeling.
**Personal account, does not reflect employer positions.
Lejo Flores, Ph.D. @hydrolejo.bsky.social Professor of Hydrology at Boise State. Focused on the intersection of climate, critical zone, and computing.
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 Mahon @bedform.org Sedimentologist, cyclist, runner, potter. Born at 348 ppm CO2. PhD UWyo, MS Idaho State, BS UMontana. PG (LA). he/him. Pro Choice. Pro DEIA. Pro Democracy. Anti-fascist. Views mine 🏳️🌈
Prof Chris Jackson @seismatters.bsky.social Geoscientist | Occassionally on 📺 & 📻 talking about geoscience | I 🏃🏾♂️🚴🏾♂️ 🧗🏾♀️🎸🍺| he/him | 🏳️🌈🏳️⚧️| “Self-declared King of Geotwitter” (Palin, 2022) | Professional (East)Midlander 😎
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.
Maggie Osburn @geobiomaggie.bsky.social Science is awesome and social media connects us. Biogeofeminist at Northwestern. all rambling my own. find me @GeoBioMaggie instagram, formerly @ProfMaggie birdapp
Earth, Environmental & Planetary Sciences @earth-science.bsky.social We run the "Earth Scientists" feed — pester this account if you want to join
https://bsky.app/profile/did:plc:lpl45lei6abqpvmet5htdbtb/feed/aaakc72k5sgcs
(brought to you by @louis.moresi.info)
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
Randall Munroe @xkcd.com