Catherine Rampell @crampell.bsky.social Economics editor at The Bulwark. MS NOW (formerly MSNBC) anchor.
Previously WaPo op-ed columnist and NYT reporter.
Econ, politics, immigration, tax, etc. + occasional theater nerdery.
Energy Markets & Planning at Berkeley Lab @berkeleylabemp.bsky.social The Energy Markets & Planning (EMP) department at Berkeley Lab inspires and informs impactful solutions to existing and emerging global energy challenges through objective and timely research and technical assistance. emp.lbl.gov
Anne Jefferson @annejefferson.bsky.social Watershed hydrology and geomorphology prof and Lake Champlain Sea Grant Director here for science, the environment, and life as an academic & mom. Formerly @highlyanne.
Posts are personal and do not represent organizations. Reposts are not endorsements.
Sara Meerow @sarameerow.bsky.social Associate Professor, University of Colorado Boulder
My work focuses on urban resilience. I research and inform how communities plan for and govern climate hazards like extreme heat, green infrastructure, and climate change adaptation.
Joshua Basseches @joshuabasseches.bsky.social Renewable energy and climate politics and policy. Assistant Professor at Case Western Reserve University. Author of Owning The Green Grid (MIT Press). More at joshuabasseches.com
Ayana Elizabeth Johnson @ayanaeliza.bsky.social Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Jenny Chase @solarchase.bsky.social Solar and clean power analyst at BloombergNEF, goose keeper. Author of a book, "Solar Power Finance Without the Jargon". Opinions all my own.
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Josh Busby @busbyj2.bsky.social Professor at the University of Texas-Austin. Former Senior Climate Advisor DOD. Climate security, climate governance, clean energy, global health, US foreign policy. Author of States and Nature: The Effects of Climate Change on Security (Cambridge, 2022).
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
Jesse D. Jenkins @jessedjenkins.com Macro-energy systems engineering, optimization & policy. Associate professor at Princeton University. Leads the ZERO Lab. Co-hosts SHIFT KEY podcast. Time100 Next & TIME100 Climate honoree. More at linkedin.com/in/jessedjenkins & zero.lab.princeton.edu
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Dr. Casey Fiesler @cfiesler.bsky.social information science professor (tech ethics + internet stuff)
kind of a content creator (elsewhere also @professorcasey)
though not influencing anyone to do anything except maybe learn things
she/her
more: casey.prof
Jo Martin @jrymart.bsky.social phd candidate at cu boulder earth science. working on surface processes, interpretable machine learning, and spatial data
jrymart.github.io
Boulder Reporting Lab @boulderrl.bsky.social Boulder, Colorado's nonprofit digital newsroom. Sign up for our morning newsletter, BRL Today! 📨 https://boulderreportinglab.org/get-our-newsletters/
Ana Luisa Maffini @anamaffini.bsky.social Researcher • Urban and Regional Planning • Urban Studies • GIS • GeoAI • Spatial Data Science • Python • Complex Systems • Open Science
The Neotoma Paleoecology Database @neotomadb.bsky.social Supporting global-change research and education via open, community-curated data and services for paleoecological and paleoenvironmental data. https://www.neotomadb.org
Dongfeng Li @geolidf.bsky.social Assist Prof @PKU1898 studying #HighMountainArea #glacier #permafrost #river #sediment #carbon #Hydropower AE of @JGREarthSurface @Water Resources Research
Sally Zaino @smzaino.bsky.social Ruminations, poetry, land and water, earthshine.
Scripps Institution of Oceanography @scrippsocean.bsky.social Understanding and protecting the planet since 1903.
📍UC San Diego
Ellen M. Considine @emconsidine.bsky.social Assistant Professor at CU Boulder. GeoHealth / Planetary Health, Data Science / Applied Statistics, Policy / Decision Making
Website: https://ellenconsidine.github.io/
Old Twitter/X account: @em_considine
Selina Davila Olivera @geo-sdo.bsky.social PhD Candidate at the University of Oregon
Earth Surface Processes | Landslide Failure Recurrence | Soil Organic Carbon
250 to 250 @250to250.bsky.social A series of one-minute stories of the many people, places, and events that have built our country and remind us of the power of each person to make history. #WeAreAmerica250
Edward Luce @edwardluce.bsky.social FT's US columnist/commentator. Author of several books including NYT best selling biography of Zbigniew Brzezinski (Simon & Schuster 2025). People lacking a sense of humour might get muted.
Kimberly Yazzie, PhD @kimberlyazzie.bsky.social Ecology and climate solutions | Assistant Professor @forestry.UBC.ca #UBCForestry Faculty of Forestry & Environmental Stewardship | Postdoc @ Stanford University | PhD @ University of Washington | Diné :: | @NASEMFordFellow | she/her | Personal account
Dr Kaja Fenn (she/her) @drloessismore.bsky.social Lecturer in Environmental Change @liverpooluni.bsky.social
Interested in anything loessy, dusty, Quaternary, luminescence dating, and geochemistry. Happiest outside or in the dark lab || 🇵🇱 🇬🇧
www.kajafenn.com
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
Higher Education Labor United (HELU) @higheredlabor.bsky.social A national coalition from all ranks of higher education workers across the country organizing to guarantee higher education for all. 
Phaedra C. Pezzullo @phaedra.bsky.social Professor @ CU Boulder Environmental & climate justice, sustainability & storytelling, environmental comm. Editor UC Press+ Taylor&Francis. Author: Beyond Straw Men: Plastic Pollution & Networked Cultures of Care. Opinions=mine https://phaedracpezzullo.com
Emily Nussbaum @emilynussbaum.bsky.social Theater critic for The New Yorker, Approval Matrix Creatrix
Coalition for Action in Higher Ed @actioninhighered.bsky.social Free Higher Ed Now!: A Day of Higher For the Common Good. Join us on April 16 and 17, 2026. https://www.dayofactionforhighered.org/
NY Times Pitchbot @nytpitchbot.bsky.social I have never felt more politically homeless. Parody. Merch: https://tinyurl.com/msjjmwpt
NSF NCAR & UCAR @ncar-ucar.bsky.social We're committed to advancing our understanding of Earth system science, from the ocean to the exosphere, for the betterment of our planet. 🌎 Operated by UCAR and #NSFfunded.
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Justin Wolfers @justinwolfers.bsky.social Econ professor at Michigan ● Senior fellow, Brookings ● Intro econ textbook author ● Chief economist & Deputy platypus https://newsletter.platypuseconomics.com ● Find me: https://linktr.ee/justinwolfers
Mark Z. Jacobson @mzjacobson.bsky.social Climate, pollution, clean/renewable energy
Stanford U Prof, Civil & Env Eng; Director, Atmos/Energy Program
Cofounder-Solutions Project; Appeared on Letterman
Testified Held v Montana
https://web.stanford.edu/group/efmh/jacobson/
Stanford.io/Jacobson
Laura Lautz @llautz.bsky.social Hydrogeologist and Senior Associate Dean in George Mason University’s College of Science. Views are my own.
Jed Brown @jedbrown.org Prof developing fast algorithms, reliable software, and healthy communities for computational science. Opinions my own. https://hachyderm.io/@jedbrown
https://PhyPID.org | aspiring killjoy | refuse epistemicide | he/they
Dr. Nicole Gasparini (she) @nicolegasparini.bsky.social Wandering and sometimes lost.
Earth scientist, professor, mom, living with disability, animal lover, amateur gardener, advocate for fixing lack of D.E.I. in science and academia. Only my thoughts
Jena Griswold @jenagriswold.bsky.social CO Secretary of State
Candidate for Attorney General
Join us: JenaforColorado.com
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer of stuff.
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
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
Congresswoman Jasmine Crockett @crockett.house.gov Former public defender, now U.S. Congresswoman, proudly serving the good people of Texas’ 30th Congressional District. ✊🏾 
Manda @theweathermanda.bsky.social Ph.D. Atmospheric Scientist. Stay-at-home cat servant. Enjoyer of alpine lakes, thrift stores, cold brew, & Moscow mules.
EEES Clemson University @eees-clemsonu.bsky.social We are the department of Environmental Engineering and Earth Sciences.
We have 3 programs, Environmental Engineering, Biosystems Engineering, and Earth Sciences. Stay connected for job opportunities, scholarships, news, awards, and much more!
Indivisible Colorado @indivisible-co.bsky.social Building grassroots power across Colorado, and keeping our state safe from Trump's Project 2025 agenda.
https://indivisiblecolorado.net
laitalageoscience @laitalageoscience.bsky.social Precambrian geology, sedimentology, planetary sciences. Following politics, geopolitics. Personal account: @jaakkojlaitala.bsky.social 🇪🇺🇫🇮
Senator John Hickenlooper @hickenlooper.senate.gov Proudly serving the people of Colorado in the U.S. Senate
Xuesong Ding @xding.bsky.social Geoscientist interested in basin stratigraphy, rivers, mountains, tectonics, and modeling. Research Assistant Professor at UT Austin
Bob Davidson @wa7iut.bsky.social Out West somewhere with my dogs.
Eagle Scout
Time Magazine Person of the Year, 2006
Rebekah Jones @georebekah.bsky.social Climate and disaster scientist, famed government whistleblower, and former candidate for Congress. Expertise includes climate science, natural disasters, politics, and media.
www.MESOSCALENEWS.com
https://linktr.ee/georebekah
Stormrider @kwh.bsky.social Science applied where humans & hazards collide🧪🌎 Chased earthquakes for ~38 years, and volcanoes ~5 yrs. before that; formerly at ⚒️USGS &⚡️SCE; @lamont.columbia.edu Ph.D. & @dartmouthears.bsky.social
Vivi Kathrine Pedersen @vivikathrine.bsky.social - K Kerry Callaghan @kcallaghan.bsky.social
Frederik Kratzert @kratzert.bsky.social Research Scientist @ Google Research. Working on the intersection of machine learning and hydrology. Located in Vienna, Austria.
Canadian Geophysical Union @cgu-ugc.bsky.social Official account of the Canadian Geophysical Union, dedicated to promoting and supporting the geosciences in Canada.
Jeffrey Kwang @jeffreykwang.bsky.social cats, geomorphology, computer stuff
https://jeffskwang.github.io/
Heather Goss @heathermg.bsky.social Interested in the art & science of connecting people for art & science. Senior comms at @agu.org, @eos.org. Founder of Exposed DC. Casual powerlifter; dabbling in astrophotography.
Water Innovation & Research Consortium @ Bath @wirc-bath.bsky.social WIRC unites people from all disciplines across the campus under the umbrella of water innovation & research at the University of Bath.
@uniofbath.bsky.social
Chris Crosby @crosbycj.bsky.social Co-Founder & PI @opentopography.org
Geodetic Imaging Data (#lidar, laser scanning, UAS, photogrammetry, InSAR) Program Manager at @earthscope.org
Bikes & skis in Crested Butte, CO.
NASA Earth @thenasaearth.bsky.social 
Pascale Roy-Léveillée @pergelichen.bsky.social Associate Professor and Research Chair of Permafrost Geomorphology at Université Laval's Geography Department.
CRYO-UL research laboratory lead.
Member of the Centre d'études nordiques.
Member of the Vale Living with Lakes Research Centre.
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
UROP, University of Colorado Boulder @cuboulderurop.bsky.social UROP supports student-faculty partnerships in all fields of study with enabling funding, empowering resources, and engaging events while collaborating throughout the university to advance best practices in undergraduate experiential learning.
Ross Woods @rosswoodskiwi.bsky.social Hydrologist at University of Bristol.
Blues dancer/DJ.
New Zealander
Pronouns: he/him
KinarNicholas.bsky.social @kinarnicholas.bsky.social Hydrology Paper of the Day / Professor / Fellow of the Royal Geographical Society / Editor at ConciliARTe / Experimental Filmmaker / Fine Art Photographer
Kasper D. Fischer @kdf-bochum.bsky.social Seismologist at Ruhr University Bochum, Germany
Treasurer of the German Geophysical Society (DGG e.V.)
Allison Pfeiffer @ampfeiff.bsky.social Scientist reluctantly returning to social media. Associate Professor @ WWU. Rivers and sediment and students. 
Paul Bierman @paul-bierman.bsky.social Geoscientist, environmental historian, professor, author who cares deeply about our planet. Obsessed with snow, ice sheets, climate, and science as a way of knowing. Passionate about teaching, equality, and explaining Earth. https://www.paulbierman.net
Shima Shams, PhD @shima-shams.bsky.social Scientist |NSF NCAR | Researcher | Remote sensing | air quality | Data assimilation |science communication | stakeholder engagement |
Reader I Aspiring homesteader | Traveller | photography enthusiastic
opinions are my own!
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
AltUSGS @handle.invalid The resistance in the form of a couple of science nerds in different missions. Not an official USGS account but close enough to hypothesize about their actions. #AltGov
Doctor Apatite @doctorapatite.bsky.social Formerly skittle-haired, charmingly insubordinate, punk rock ukulele, mid-century glassware collecting, BVB/USMNT/USWNT/USYNT supporting, Belgian-loving, planetary scientist. ♿️ Normally busy making hand-crafted mischief for the swap meet of science.- T Tao Yuan @taoyyy.bsky.social Graduate student, currently working on ice sheet, solid earth deformation, sea level change, interested in many things about geodynamics, earth, and modeling.
WoMo @michelelamelin.bsky.social Semi-feral; happiest when out in the wilds with my wolf-wannabe 🐺🏔️
OpenTopography @opentopography.org Open access to high-resolution, Earth science-oriented topography data, and related tools & resources. US National Science Foundation supported. #lidar https://www.opentopography.org
Elizabeth Warren @warren.senate.gov U.S. Senator, Massachusetts. She/her/hers. Official Senate account.
https://substack.com/@senatorwarren
Jen Rubin @jenrubin.bsky.social Editor-in-chief of The Contrarian, Premier League and tennis fan, dog and art lover, democracy defender, and pro-Oxford comma. Book and travel recommendations welcomed.
Ellen L. Weintraub @ellenlweintraub.bsky.social Longtime FEC Commissioner, 4-time Chair, lawyer, mom, wife, believer in democracy and rule of law
Fonda Lee @fondalee.bsky.social NYT bestselling, World Fantasy Award-winning author of the Green Bone Saga & other books. The Last Contract of Isako out now! Next: Mark of the Warrior (Oct 2026) https://linktr.ee/fondalee
California Geological Survey @cageosurvey.bsky.social Info about the Golden State’s earthquakes, geology, & minerals from scientists at the California Geological Survey (CGS), a division of #CalConservation.
Hywel Griffiths @hywelgriffiths.bsky.social Bardd, daearyddwr, geomorffolegydd, awdur
Poet, geographer, geomorphologist, author
Abhishek Kashyap @geomorphic-abhi.bsky.social Postdoctoral Researcher at CEREGE–CNRS.
Interested in Tectonic Geomorphology, Surface processes, Landscape Evolution and Extreme Events.
Kai Ryssdal @kairyssdal.bsky.social Dad, husband. IPAs. Soccer referee, trail runner, mountain biker. Veteran.
Felicity Tucker @felicitytucker.bsky.social Book editor and art hobbyist in Boulder, Colorado
Billy Armstrong @app-glaciers.bsky.social App State associate professor interested in glacier processes, glacier change, and downstream impacts
CU Boulder Geological Sciences @cubouldearth.bsky.social 
International Network for Conservation Paleobiology @cnsrvpaleonetwk.bsky.social Promoting the use of paleo and historical data for conservation and management. This network is a grass-roots effort to develop strategies for communicating geohistorical data to stakeholder groups. Find out more: https://conservationpaleorcn.org/
Morgane Houssais @mhoussais.bsky.social Geophysics PhD. I like to better understand how our landscapes form and deform, slowly and brutally at times! As climate changes, I do my epsilon as a research scientist @ClarkU to better tackle risks during heavy rains and floodings.
Rich Boothroyd @rjboothroyd.bsky.social Lecturer in Physical Geography at the University of Liverpool.
Fluvial geomorphology, remote sensing and river-related hazards.
Ann @woodyend.bsky.social Spiritual director, Naturalist, Native plant Gardener, Owner of goats and chickens
Brooke Hunter @brooke-hunter.bsky.social Critical zone sciences at Appalachian State!
Stephen Rice @sterice.bsky.social MMU River Science: Seds, bugs and rocks that roll - who'd have thought river gravel was so much fun? Geordie dad in Scouseland. He/him.
John Green @johngreensbluesky.bsky.social Author (The Fault in Our Stars, The Anthropocene Reviewed, etc.)
YouTuber (vlogbrothers, Crash Course, etc.)
Football Fan (co-owner of AFC Wimbledon, longtime Liverpool fan)
Opposed to Tuberculosis
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.
America Walks @americawalks.bsky.social Everyone should be able to move around their community with dignity and freedom. We are a national non-profit supporting change and changemakers at every level. Americawalks.org
TREC at PSU @trecpdx.bsky.social Portland State University's Transportation Research and Education Center (TREC). Home to the Initiative for Bicycle and Pedestrian Innovation (IBPI), transportation data programs PORTAL & BikePed Portal, Better Block PSU, and PSU's membership in PacTrans.
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.