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
Gawen Jenkin @gawenjenkin.bsky.social Prof of Applied Geology, Middle England university. Sustainable mineral resources for the green transition. Geology, life, Kernow 〓〓.
Views personal and do not represent my employers.
Chance Ronemus @chance-ronemus.bsky.social Asst Prof of Sed Geology, UCalgary.
Tectonics, sed basins, and geo/thermo/petrochronology in the Andes and Rockies.
**Recruiting grad students for 2027**
I <3 rocks: climbing them, and hitting them with hammers/lasers. He/Him.
Site: chanceronemus.com
Simon Kuestenmacher @simongerman600.bsky.social German #geographer and #demographer in #Melbourne. I love and share #maps and #data that explain how the #world works.
Julia Kreiner @jmkreiner.bsky.social Assistant prof at UChicago EEB. The genomics of plant adaptation in rapidly changing environments.
kreinerlab.com
Karlos G. D. Kochhann @k-kochhann.bsky.social Paleoceanographer and paleoclimatologist; postdoctoral researcher @ GEOMAR; runner, cyclist and swimmer.
Doug Ellison @dougellison.bsky.social Dad, Husband, Mars Rover Crew Chief. Opinions and views expressed are my own. Not a NASA account. Contains strong language. He/Him. www.dougellison.com
Cheryl Rofer @cherylrofer.bsky.social Retired nuclear scientist. Worked in Estonia, Kazakhstan, and Los Alamos on environmental cleanup, nuclear nonproliferation, and the nuclear fuel cycle.
She/her.
Blogs at Nuclear Diner and Lawyers, Guns & Money
Photo: Semipalatinsk Nuclear Test Site
Christine McCarthy @rockandicechick.bsky.social Running the Rock and Ice Mechanics Lab at LDEO
Zach Weinersmith @zachweinersmith.bsky.social New Book out this summer: Sawyer Lee and the Quest to Just Stay Home.
Other things of mine: Bea Wolf, A City on Mars, and SMBC
Website: www.smbc-comics.com
Patreon: https://www.patreon.com/ZachWeinersmith?ty=h
Dr. Marissa Civic @stemfactually.com Owner of STEM Factually | Inorganic Chemist | Former Professor | NY, US
Substack: https://drmarissacivic.substack.com/
Podcast: https://bit.ly/3ZOrZbc
Science Store: https://bit.ly/4hDb2HH
Website: www.stemfactually.com
Quincy Vagell @stormchaserq.bsky.social Meteorologist, storm chaser and photographer.
My Twitter was hacked, so you can find more updates from me on here.
Kat Dapré @katdapre.bsky.social Icy seismologist at ANU with a special place in my heart for Enceladus | she/her
Colin Carlson @colincarlson.bsky.social Climate change, global health security, science diplomacy, and good bad futures • Yale • carlsonlab.bio • viralemergence.org • he/they
maryn sanders @maryn-geomorph.bsky.social PhD candidate at UO - thinkin' 'bout debris flows
Ruth Siddall @pavementgeology.bsky.social What is your city built from? This account is all about building and decorative stones and accessible geology in the built environment. londonpavementgeology.co.uk
https://www.walks.com/guides/ruth-1/
DSCOVR:EPIC @dscovr-epic.bot.country Pics from the Earth Polychromatic Camera on the DSCOVR spacecraft (unofficial). Formerly @dscovr_epic on twitter.
FAQ: https://russ.garrett.co.uk/bots/dscovr_epic/
Operator: @russ.garrett.co.uk
Don Davis @ddavisspaceart.bsky.social Space Artist, sky observer and photographer. Processor of space images. Interested in Astronomy, Planetary Geology, history and in what the future may bring. 
Prof. Elizabeth Clare @profbatgirl.bsky.social Molecular Ecologist, Field Biologist at York University Ontario, wildlife photographer, bat biologist, mum, eDNA from the air
www.yorku.ca/professor/eclare/
Host of the BioAudio teaching podcast
bioaudio.buzzsprout.com/2234324
Matilda's Lab @matildaslab.bsky.social Science nerd Dad who engages his kids with science through music, drawing and writing by making it fun.
Sharing my content too help others share their own journeys of discovery.
https://linktr.ee/chrismacalister
@bmenounos.bsky.social @bmenounos.bsky.social 
@iceageberto.bsky.social @iceageberto.bsky.social 
Annie Ockelford @aockelford.bsky.social Lecturer in Water Engineering, University of Liverpool. Trustee of the British Hydrological Society. Interested in all things rivers, stakeholder engagement & champagne. Not necessarily in that order.
Roeland van de Vijsel @roelandvdvijsel.bsky.social Assistant Professor at Wageningen University. Hydrodynamics & biogeomorphology. Tipping points & self-organization. River deltas & coastal wetlands. https://www.wur.nl/en/persons/roeland-van-de-vijsel.htm. Sharks, cycling & salsa music. Views are my own.
Jamie Shulmeister @jamie-shulmeister.bsky.social Geomorphologist and Quaternary Scientist interested in long term climate change. Professor in the School of Earth and Environment at the University of Canterbury, New Zealand. Fellow of the Royal Geographical Society of Queensland. (He/Him).
Pedro Val @topoerosion.bsky.social Geomorphology 🏔️ Landscape evolution 🗻 Tectonics ⛰️ Assistant Professor @ Queens College - CUNY 🌋 Opinions/posts my own 🏔️ he/him
Mark Smith @geomorphmark.bsky.social Prof of Water Science and Health at Uni of Leeds. Geography - Hydrology - Malaria - Climate - Geomorphology. Dabble in icey stuff too. Oh and running... lots of running. 
Jon Tunnicliffe @jontunnicliffe.bsky.social River Scientist at the University of Auckland
Morphodynamics enthusiast, working on our complicated relationships with rivers, in Aotearoa New Zealand
Brent Ward @geobrentatlarge.bsky.social SFU Earth Sciences, Quaternary Geologist, Cordilleran Ice Sheet, purveyor of Natural Hazards, Climate Change of the past and the future, Long suffering Canucks fan, loves woolly mammoths (he, him, his)
Jordan Eamer @jeamer.bsky.social I dig the coast and shelf, offshore wind and paleogeog. Also my biogeo partner and budding scientist kiddos
Jeffrey Kargel@icymarsman.bsky.social @icymarsman.bsky.social Earth & Planetary scientist, enthralled with nature
Chris D Clark @chrisdclark.bsky.social Geomorphology and palaeo glaciology, ice sheets, mountains and stuff
Prof Steve Darby @channelwidth.bsky.social Interested in all things rivers, especially riverbank erosion, flooding, sand mining, and the Mekong.
CwmBeacons @jeglaciers.bsky.social Arctic and Antarctic palaeoglaciology, glacial environments and geomorphology. LFC, Cardiff Rugby and Wales
Bob Hilton @profbobhilton.bsky.social Scientist studying carbon in rivers 🌍| CO2 sequestration 🪨 | Biogeochemistry | Arctic CH4 | Isotopes & Radiocarbon | leading ERC RIV-ESCAPE | Prof at University of Oxford https://riv-escape.weebly.com/ 
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/
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.
Aram Fathian @aramfathian.bsky.social Postdoc researcher @UCalgary | PhD @RWTH | Natural Hazards | Active Tectonics | Paleoseismology | InSAR | opinions are my own
Erin Harvey @erinlharvey.bsky.social She/her PDRA in mountain hazard chain at Durham Uni, UK🏔️
Hillslope geomorphology esp. debris flow & landslide processes
Ellyn Enderlin @glacierdoc.bsky.social Associate Professor/Glaciologist/Geophysicist at Boise State University, mom of 3, runner, dog lover, & chocolate connoisseur. Views my own. 
Adam Hepburn @adamjhepburn.bsky.social VC’s fellow, geomorphologist modelling the water beneath glaciers on Earth and Mars- Aberystwyth University
Hakai Institute @hakai.org Scientific research institution on the coastal margin of British Columbia, Canada | Part of the Tula Foundation
Mishel MelendezB @mishelfluvial.bsky.social PhD Candidate at UIUC | Fluvial Geomorphology | River Scientist | Remote Sensing | Sediment Pulses | Love God, Rivers and Cats
Dan J Smith @hemlock932.bsky.social Retired @UVicGeog Dendroglaciologist 
Kalin McDannell @eatingbooks.bsky.social Geologist @ Gradient.
Visiting Scientist—Dartmouth College
Thermochronology | Landscape Evolution | Tectonics | Earth History | Computational stuff | Dad • Ronald E. McNair Scholar & First Gen
https://github.com/OpenThermochronology
Stuart Grieve @sgrieve.bsky.social Geomorphologist, trade union member, tired.
Caroline Aubry-Wake @cryocaro.bsky.social Mountain hydrology | Assistant Prof at U. Lethbridge | Glaciers, snow, and water in a changing world | she/her/elle |
Kristen Cook @kristencook.bsky.social Geomorphologist with IRD, ISTerre, Université Grenoble Alpes. EGU Geomorphology Division president. Interested in extreme floods, landslides, and how mountain rivers work, mostly in the Himalaya. 
Cathy Delaney @mudswoman.bsky.social Glacial geomorphology and sedimentology, mud (especially in glacial lakes), lidar
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.
Andrew Gunn @agunn.bsky.social snr lecturer at MonashEAE: geomorphology, climate, mars. he/him. https://www.geomorphlab.org/
Joel Scheingross @jscheingross.bsky.social Interested in all things geomorphology and weathering, inclusive community building and punk rock. 
Blair Johnson @blairjohnson.bsky.social Asst Prof of Environmental Fluid Mechanics at UT Austin || love turbulence || love greyhounds 
Simon Mudd @simonmariusmudd.bsky.social geomorphologist
Melaine Le Roy @subfossilguy.bsky.social Assiduous dendroglaciologist, moraine lover, wandering geomorphologist, living in the Holocene, climate (and eco-) anxious, @edytem.bsky.social
https://www.researchgate.net/profile/Melaine-Le-Roy-2?ev=hdr_xprf
Colin Stark @cstark.bsky.social 🧪⚒️⚛️🧮 Geomorphysicist/professor/civ eng faculty. Left pieces of my ❤️ in NYC, SF, Rennes, Cambridge. 🇬🇧 🇹🇼 🇯🇵 🌈 日本語/中文/Français ok
Stuart Dunning @rockavalanches.bsky.social Landslide hazard, risk, monitoring. Sometimes icey things, sometimes GLOF, rarely finish anything on any of it.
Greg Vasilopoulos @gregvasilop.bsky.social Geomorphologist • Lecturer (Asst.Prof) in Geospatial & Earth Observation @uniofhull.bsky.social
Rivers, Deltas, Floods, Sediments 🥾🛰️🧑🏽💻🌏
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.
Andy Emery @andydoggerbank.bsky.social Palaeolandscapes lead at Wessex Archaeology doing geology for offshore prehistoric archaeology/cultural heritage.
Recent Dundonian.
He/him. Views own.
Rachel Headley (she/her) @geomorphrachel.bsky.social Professor of glaciers, geomorphology, & environmental science; living & biking in the Northwest; being depressed about climate change. Come for the pictures of rivers, stay for the cats and bikes
Darcy Shapiro @darcyshapiro.bsky.social BioAnthro PhD. Miocene apes, hips, locomotion, trabecular bone. 💀
Editorial Director: PBS Eons, Bizarre Beasts, and anything else the Greenhouse team cooks up. 🦕🦔🪴
she/her #GoBlue
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
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
Angry Staff Officer @pptsapper.bsky.social History person, Army officer, transplanted Buckeye, not really that angry anymore. Writes stuff. Some Star Wars. Refugee from Twitter. Views do not reflect or represent the DoD's. He/him/his. angrystaffofficer.com
Lauren Mc Keown @spidrwoman.bsky.social Irish planetary scientist in Orlando researching surface processes on Mars and icy airless worlds. Assistant Professor and PI of the FROSTIE Lab at the University of Central Florida, Affiliate and previously at NASA JPL. https://www.laurenemckeown.com
Dr Áine O’Brien @aineclareob.bsky.social Planetary scientist at the University of Glasgow. Mostly studying meteorites and Mars. Frequent hiccougher. She/her 💫☄️
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Joel S. @joelhs.bsky.social Professor of Religion and Jewish Studies, Sarah Lawrence College. PhD in Religious Studies, University of Chicago. Globalist Elite, Ruthless Cosmopolitan, and Thing-in-Itself-hating Jew. Husband of @petticoatshrink.bsky.social. He/Him/הוא/ער
Natalia (娜塔莉) @wrycritic.bsky.social A Pole in Hong Kong. Posts about Museums, Pterosaurs and History of Palaeontology 🦴 Dinosaur Doodler 🦖
Li Li (李黎) @lireactivewater.bsky.social Isett Prof @PennStateCEE. River. Water. Quality. Bio.geo.chemistry. Critical Zone. Climate. Change. Extremes. Deep Learning. Mom. Bookworm. She/her/她.
https://lireactivewater.wixsite.com/group
https://scholar.google.com/citations?user=DJvp_4EAAAAJ&hl=en
Wxdylan @wxdylan.bsky.social Georgia Meteorologist. Dad. I annoy people with 2 PVU surface maps and F1 commentary. Own Too Many board games. Views and terrible takes my own. He/him. Clemson (B.S. Physics) and OU (M.S. Meteorology) grad.
Matt B @matttg.bsky.social Cubs fan. 🌋 & magma, mineral resources, tectonics, wilderness, pawpaws, outdoor gear, 🏝⛰🏕, Rectal cancer survivor. Views and opinions expressed are mine. #geology #earthscience #geoscience ⚒️
Bruce Stallsmith @laimosemion.bsky.social Freshwater fish ecologist, darter enthusiast, sci-fi fan, freakbeat promoter. Motorhead and the Ramones were cool too. #addOcean
Andrew D Thaler @drandrewthaler.bsky.social Deep-sea ecologist investigating how humans shape and reshape the sea floor. Conservation technologist developing open-source tools to understand our changing oceans. Ocean educator creating novel programs to help students interact with marine ecosystems.
Max Brooks @maxbrooks.bsky.social Writer, Speaker, Sugarcane Planter.
MaxBrooks.com
Rebecca Dean @rmdean.bsky.social Anthropologist (archaeology, biological anth, ecology). Director of Assessment and Data Analytics. Former Michigan diaspora now home but missing Minnesota. UMich grad working at MSU. Never speaks for MSU.
Dr. Sam Anderson @sam-science.bsky.social postdoc at simon fraser university & columbia university // thinking and writing about heatwaves, glaciers, rivers, and us // canadian 🇨🇦 // he/him #climatechange #hydrology #LGBTinSTEM 🏳️🌈 #transrights 🏳️⚧️
Hope Jahren @realhopejahren.bsky.social The scientist formerly known as Lab Girl.
I write books: https://www.penguinrandomhouse.com/authors/2111914/hope-jahren/
Cian 🏳️🌈🏳️⚧️ (he/him) @cbdawson.bsky.social • San Francisco Bay Area • Queer • Too many nature pix • FAIR and open gov science in the public interest • Geoscience • Water • Birds • Public Lands • Burrowing Owl & Pupfish stan acct • /KEE' in/
This is a personal account, obviously 🙄
Dr. Katie I. @hellyeahcorks.bsky.social Hydrothermal geologist/geochemist, postdoctoral researcher. Sciences hard, loves the work. Also makes costumes. Views expressed are mine.
Rebecca Watson @skepchick.org is this the one that wins
Cristi Proistosescu @cristiproist.bsky.social Assistant Professor - School of Earth Sciences @ Illinois
cristi.pro
Laurence H. Tribe @tribelaw.bsky.social After teaching and writing about constitutional law for 50 yrs, it seemed time for me to reach beyond Harvard’s walls — to spread understanding and appreciation of the rule of law, of justice as fairness, and of a republic if we can keep it
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Elise Cutts @elisecutts.bsky.social Science journalist in Austria writing for Quanta, New Scientist, Scientific American, Science, and others. Signal: emc.7243623.
Get my newsletter about the forces that shape how research is done, shared, believed, and acted upon: www.reviewertoo.com
That Nerd @thatn3rd.bsky.social High school math teacher. Physicist by education (UCI 2009 Ph.D.). Opinions my own. He/him.
Dr Grace S Peng @gspeng.bsky.social Same interdisciplinary scientist as on the other sites with the same handle. Chemistry, math, physics, meteorology, GIS, data whisperer.
Natural resources director, League of Women Voters of Los Angeles Co. She/Her
https://badmomgoodmom.blogspot.com/
Elizabeth Beston @elizabethbeston.bsky.social Marine plankton, biology undergrad, autistic, non binary. Norfolk UK. Runs The Plankton Project
linktr.ee/elizabethbeston
Jer Thorp @jerthorp.bsky.social Artist, writer, educator, birder & nudibranch enthusiast. Author of Living in Data (MCDxFSG).
Brian Schubert @schubertba.bsky.social Geochemistry, Geobiology, Paleoclimatology, Professor, views are my own: http://schubertlab.weebly.com
Dr. Drew Brayshaw 🌊🪨 @drewbrayshaw.bsky.social Hydrologist, photographer, geoscience consultant, mycophile, sarcastic, dude.
jayson m porter @roguechieftan.bsky.social environmental historian and writer, & asst. prof @UMaryland: Environmental justice histories, food systems, agrochemicals, & racial ecologies in Mexico & the Americas. @nacla @PlantPerspectives
Dr. Shannon Cofield @geoshanz.bsky.social Geological Oceanographer, PhD | Researching sediments from the deep sea to Mars | Views my own | https://linktr.ee/shannoncofield
AAUP @aaup.org The American Association of University Professors champions academic freedom, advances shared governance, and organizes faculty to ensure higher education's contribution to the common good.
aaup.org
Mark Copelovitch @mcopelov.bsky.social Professor of Political Science & Public Affairs & Director of European Studies, University of Wisconsin - Madison. International political economy, international relations, & international finance. 🇺🇸 & 🇪🇺 politics & economic policy. Tradeoffs in everything.
Paul Voosen @voosen.me Dad of two. Earth, climate, and planetary science reporter @Science.org magazine. Mistrusts narratives; still writes them.
https://www.science.org/content/author/paul-voosen
https://sciencemastodon.com/@voooos
voosen@protonmail.com
Signal: @voosen.01
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜