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
Sonya 🇨🇦 @icedsnowberry.bsky.social Mom to 2 ● Wife ● HCW
Guardian of Kali the Samoyed 🐾
Powered by Coffee ☕️
Often found on hiking trails 🥾 🌲
(she/her)
📍Calgary, AB
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.- N Navin Ramankutty @nramankutty.bsky.social Professor at UBC; Co-chair of Global Land Programme; Sustainable land and food, Climate change; Dad of 2, Spouse of 1; Raquet sports; Max 5K runner; Learning to swim.
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.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Katherine Allen @paleobluedot.bsky.social Associate Professor at the University of Maine, Orono, Maine, USA. I study oceans and climate, past and present.
Patrick Donnelly @bitterwaterblue.bsky.social Coming to you from a remote outpost on the edge of Death Valley. Great Basin director, Center for Biological Diversity & CBD Action Fund. Groundwater and endemic species. "Reviled for Refusal to Stick to Decorum."
http://linktr.ee/bitterwaterblue
Duane Froese @tephrafan.bsky.social naturalist | professor | ualberta | northern research | permafrost | Quat Geo | working with northern communities | PACS Lab | Rett Syndrome | he/him
Kit Marie Rackley @geogramblings.com Award-winning educator 🌱 #SciComm | Geographer 🌍 | 🌳✊🏿🏳️🌈🏳️⚧️🍉 | #ClimateAmbassadors Regional Hub Mngr at UEA Tyndall Centre | intersectional feminist 🦸♀️| Host of Coffee & Geography #CoffeeGeogPod | 💭💬 my own. Born at 337ppm. They/She 🖖
Chronology Of the Norse TransAtlantic Colonies and Territories @contactproject.bsky.social a 5‑year ERC‑funded project @rug.nl
📜 Re‑examining the earliest Europe ↔ North America connections
🔬 Radiocarbon spike dating | Isotope & DNA analysis | Bayesian modelling | Historical & saga research
🌍 Mapping Norse expansion across the North Atlantic
Brian Schubert @schubertba.bsky.social Geochemistry, Geobiology, Paleoclimatology, Professor, views are my own: http://schubertlab.weebly.com
Jonathan Overpeck @greatlakespecktwo.bsky.social Environmental/Climate scientist for 35+ years; NAS Member. Samuel A. Graham Dean, @UMSEAS @UMICH. Tweets my own. Thinking grad school? Join us at @UMSEAS.
Michael Clifford @michaeljclifford.bsky.social Conservation scientist focused on biodiversity, energy transition, and critical mineral mining. I work in Nevada, Mojave Desert, Great Basin, and other drylands.
Aarne Granlund @aarnegranlund.eurosky.social Sufficiency, climate work, and river restoration in Finnish North Karelia. I fly fish, hike, and ski. e-MTB pilled. Rural. Left in politics.
Yarrow Axford @yarrowaxford.bsky.social Climate scientist, passionate about the Arctic and Earth’s history. Explorer/mom. Was William Deering Prof at Northwestern, on to adventures in Boston and writing.
Climate.us @climate.us We are an independent, nonprofit successor to Climate(.)gov, safeguarding public access to trusted climate data, tools, and information.
Donate: https://www.climate.us/donate
Phil Rosenthal @feedphil.bsky.social ‘Somebody Feed Phil' S8 on Netflix 🎥
‘Just Try It! Someplace New' & 'Phil's Favorites' pre-order now 📚
Max & Helen’s coming Summer 2025 🍳
Dr. Sarah Fortner @erthsarah.bsky.social Climate mitigation, adaptation, and environmental justice through education, research, action and advocacy. Explorer.
Mukund Palat Rao @mukund24rao.bsky.social Ecoclimatology 🌿~ tree-rings 🌳💍 @lamont.columbia.edu @columbiauniversity.bsky.social
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 🏳️🌈
@dan13lle-13.bsky.social @dan13lle-13.bsky.social Current resident of the East Coast.
Joe Mason @moreorloess.bsky.social UW Madison Geography, opinions are mine. Geomorphology, soils, dunes, loess, in the Midwest, Great Plains, northern China. He/him. Living on Ho-Chunk lands.
Julia Rieder @jsrieder.bsky.social Spatial Data Science, geography, LiDAR, forests. 🌳🌍 Researcher at the @earth-observation.org at University of Würzburg
Victoria Peechatt @vpeechatt.bsky.social PhD graduate assistant at the University of Nevada, Reno studying chemically mediated plant - caterpillar - natural enemy interactions 🌱🐛🪰🦠
(she/hers)
writer | dancer | philomath
@yannvit.bsky.social @yannvit.bsky.social 
Leigh Stearns @leighstearns.bsky.social Climate and glacier scientist at UPenn.
LegraLeGra @atthenius.bsky.social #Climate scientist @
#GISS => #nyc &
#Columbia Uni
Mom
from WestTX
#bikeNYC #bike #NYCbike
Mostly find me
Here: https://fediscience.org/@atthenius
Personal acct.
Nancy Huntly @nhuntly.bsky.social Ecologist, researcher, prof emerita, volunteer, speck in the universe; former city council member; past candidate for Utah Senate; engaged in our community
Alida Cantor @alidacantor.bsky.social Geographer, political ecologist, critical legal water energy resources, environmental justice. Associate Professor of Geography at Portland State University. Parent, feminist, union member, bike commuter. She/her.
Dr Charlotte Angove @char-angove.bsky.social Plant mechanic, currently working as a postdoc at the University of Helsinki. Investigating tree resilience to drought.
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
Elena Pravosudova @elena---p.bsky.social Teaching Professor, ornithologist, dog mom, Буся
Ashley Reynolds, Cat Lady PhD @handle.invalid She/her ♠️
Currently teaching vertebrate diversity and mammalogy at the University of Toronto. Research Associate at the Canadian Museum of Nature.
Interested in the evolutionary ecology of carnivorous mammals. Ask me your questions about cats!
Elizabeth A. Koebele @eakoebele.bsky.social 🎰 Polisci/Hydro Prof at U. of Nevada, Reno
✍️ Editor @policy-politics.bsky.social
💧 Thinking about the Colorado River, water governance, the policy process, & bicycles.
Steve Hromada @shromada.bsky.social Conservation Postdoc @ Fresno Chaffee Zoo. 
Emily Dolhansky @emilydolhansky.bsky.social Forests, fire, and what comes after. Working toward a just future for public lands. 𖣂𖠰𖣂
NFFE 2152 VP. Views are mine.
Neil Lareau @neillareau.bsky.social Prof. of Atmos Sci. @unevadareno. Mountain WX, Wildfire Plumes, Backcountry Skiing, Frontcountry Dadding. Formerly: @SJSUmeteorology @UUtah
@Livermore_Lab @MWObs https://scholar.google.com/citations?user=UGaGnAgAAAAJ&hl=en
John (Jack) Williams @iceageecologist.bsky.social Climate change ecologist, paleoecologist, biogeographer, open data scientist.
Prof. at UW-Madison, co-leader of Neotoma Paleoecology Database www.neotomadb.org
Fearless sifter and winnower. All posts my own.
Damien Rius @damienrius.bsky.social researcher @cnrsecologie.bsky.social studying fire and other disturbances in Cold Forests and beyond. Love to climb on various stuff, incl. trees & mountains.
Pieter Zuidema @pieterzuidema.bsky.social Tropical forest ecologist | Professor | Wageningen University 🇳🇱 | Climate change impacts on trees & forests | Tropical 🌳 rings | Dendrochronology | Timber tracing | Model-data integration
Manon Jacob @manonjacob.bsky.social AFP journalist covering climate mis/disinformation 🌎 • Previous words: Politico, Reuters, Eater • the world's the world and I'm a person in a tiny body 🌿• She/her • Got a tip for me? firstname(dot)lastname(at)afp.com 📨
Daniel J. Vecellio @sciencedjv.bsky.social Assistant Professor of Geography at the University of Nebraska at Omaha. I research climate and human health interactions with a focus on extreme heat. Penn State Forever.
Dr. Ray Lombardi @raylombardi.bsky.social Assistant Professor, Department of Earth Sciences, University of Memphis
I use paleo-perspectives to understand hydrologic hazards.
Website: rlombardi.com
UNR Biology Buzz @unr-biologybuzz.bsky.social News for friends and followers of Biology at the University of Nevada, Reno.
American Association of Geographers @geographers.bsky.social AAG brings together members of the global geographic community. We are an academic & professional organization representing educators, researchers, & practitioners in geography. https://www.aag.org/membership/
LE @spacedemands.bsky.social Geographer 🗺️
Evan Peck @peck.phd 🦬🏔️ @cuboulder.info science prof
Vis / HCI - Designing data for the public.
📊❤️ PI: https://infovisions.github.io/
Previously: Bucknell CS prof, Tufts CS PhD
🔗 https://peck.phd/
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.
Kirsten Greer @kgreer18.bsky.social Historical geographer at Nipissing University, North Bay, ON. My research involves reparative work and interdisciplinary collaborations that bring together critical approaches in the humanities and geophysical sciences to understand environmental issues.
Peter Brown @rmtrr.bsky.social Dendrochronologist, Forest Ecologist, Fire Ecologist, River Runner (Colorado River mostly), rmtrr.org
Fabian A. Boetzl @fboetzl.bsky.social Dr. rer.nat., ecologist, working on biodiversity 🌷🐝🦋 and pest control in agricultural landscapes 🌽🐛🐞
postdoc @uni-wuerzburg.de,
born at 354 ppm, part-time tiger beetle taxonomist, curator @inaturalist.bsky.social, japanophile 🍙🗾🇯🇵, https://linktr.ee/fboetzl
Jennie Dusheck @solenodon.bsky.social Climate policy, climate action, health, flying less, forestry.
- Here I am, placing my grain of sand
- All electric
- Stop burning stuff
Started a Firewise Community
Freelance science writer/editor
UC Berkeley & UC Davis: Eco Evo
UCSC: SciCom
Another Green @anothergreen.bsky.social #ClimateChange #Renewables #Ecosocialism #Think32 #ElinorOstrom #Commons #CorneliusCardew #GaeilgeGachLá #Marx
Climatologist49 @climatologist49.bsky.social PhD Climate Scientist. Alaska. The Earth is warming because of us. Mooseologist. All opinions are my own. Future FIFA Peace Prize winner. TDS. Signal: Climatologist.49
Mark Carney @mark-carney.bsky.social Prime Minister of Canada and Leader of the Liberal Party | Premier ministre du Canada et chef du Parti libéral
markcarney.ca 
Britta Jensen @tephrabird.bsky.social Associate Professor, Earth and Atmospheric Sciences at the University of Alberta. I like things that fly through the air (not shit hitting fan though), science, nature, pottery, and well, many things actually. Opinions are my own and probably questionable.
Geoff Staneff @gstaneff.bsky.social Former thermoelectrics and fuel cell scientist, software and data product manager; current forestry startup guy trying to reduce the impact of future wildfires. PNW based, have visited high intensity burns this year from Northern BC to the Sierras.
He/Him
Drunkweather @drunkweather.bsky.social Whining about the earth, its weather, and our resultant victimization.
Often "political" 🤡, with a focus on the petro hicks of #ABleg and #CDNpoli for perpetuating the aforementioned traumas.
Cal Geographic @calgeographic.bsky.social Sharing the geography of California’s living landscapes
CalGeographic.com
https://www.youtube.com/@CalGeographic/videos
Kai Ryssdal @kairyssdal.bsky.social Dad, husband. IPAs. Soccer referee, trail runner, mountain biker. Veteran.
Andrew Hacket-Pain @andrewhacket-pain.bsky.social Forest & tree ecology, woodlands, tree seeds and regeneration, the phenomenon of masting. New interest in wild (& rewilded) woodland. First love = tree rings, soulmate = tree seeds
Uni of Liverpool, UK
https://www.liverpool.ac.uk/people/andrew-hacket-pain
Joellen Russell @deepblueseanext.bsky.social Oceanographer and climate modeler: I use robot floats, supercomputers and satellites to predict what happens next on our awesome ocean world! Woohoo!!
Jeanne Timmons @mostlymammoths.bsky.social Freelance writer (she/her) interested in paleontology and archaeology. Avatar by Natalia Jagielska.
https://mostlymammoths.wordpress.com/freelance-work/
McGill Bieler School of Environment @mcgillenvironment.bsky.social Where Education Meets Environmental Action 
Etienne B. Racine @etiennebr.bsky.social Risk modelling, climate change, spatial statistics and earth observation
Dominic Boyer @dominicboyer.bsky.social energy/environment/media/climate; once made a glacier memorial; writer; occasional podcaster; improv philosopher; resisting the petrostate; 2025 Guggenheim Fellow
Anya Hess @anya-hess.bsky.social Paleoceanographer and geochemist interested in ocean redox | Postdoc at WHOI | foraminifera | she/they 🏳️🌈
City Planner Plays @cityplannerplays.bsky.social This is the official Bluesky account of the Youtube Channel of the same name!
YouTube.com/@cityplannerplays
Julie Edwards @julieedtree.bsky.social Postdoc at UCSB, tree rings, paleoclimate
Zeke Lunder - The Lookout @wildland-zko.bsky.social Wildland Fire and Forestry Communicator.
Working in the woods since 1990.
Qualified California Burn Boss.
Intel = all public data.
Photos by me.
Fire is the best teacher.
the-lookout.org
Jessica Tierney @leafwax.bsky.social Climate scientist living in the Sonoran Desert. Analyzer of leaf waxes to learn about past climate change. Professor at the University of Arizona. I also like birds, nature, pets🦉🌿🐕 | Opinions are mine, not those of my employer
Lan Ma @lanmisty.bsky.social Energy x Climate @ California Air Resources Board. Formerly dendroecology research @ SFSU. Weather nerd @ heart. Views my own.
Gregory Smith @gregsmitheccc.bsky.social Research Scientist at Environment and Climate Change Canada.
Dr. Savannah Collins-Key @savck.bsky.social 
Andy Bunn @fakeandybunn.bsky.social Dendrochronologist and data enthusiast. dplR, dplPy, xDater, openDendro
Rosemary Wardley 🏳️🌈 @rosemarywardley.bsky.social Cartographer at NatGeo | past Board member @ NACIS
geographer | adventurer | Rhode Islander | she/her
Steven Bernard @sdbernard.bsky.social @data.ft.com Senior Visual Journalist. Mad about cartography, dataviz and F1! Check out my QGIS youtube channel at http://bit.ly/1MAR2Po
Follow me on Instagram
@stevendbernard
Angela Antle @acantle.bsky.social Energy Futures at the Independent.ca, GYRE podcast, 2025 Rachel Carson fellow, debut novel (The Saltbox Olive - Breakwater 2025), Writers at Woody Point co-host, former CBC, MUN PhD candidate - #petrocultures #climatejustice #EnvHum
Adam McCurdy @admccurdy.bsky.social Director of Forests and Climate Programs at Aspen Center for Environmental Studies.
Kirby @mkirbye.bsky.social Muddy questions require mud.
Erik Gulbranson @erikgulbranson.bsky.social Scientist, educator, studying Earth’s climate ⛈️ and ecologic history through the lens of soils⛰️and tree-rings🌳🪵.
Courage, Sacrifice, Devotion.
Gustavus Adolphus College. AE GSA Bulletin. Posts, re-posts, views and opinions are my own.
Marco M. Lehmann @lehmannmm.bsky.social Biogeochemist seeking to understand stable isotopes in plants.
PAGES (Past Global Changes) @pages-ipo.bsky.social PAGES is an international project coordinating and promoting past global change research.
www.pastglobalchanges.org
Mark E. Deptuck @subseafan.bsky.social Geological Advisor - Nova Scotia, Canada 🇨🇦 Love all things subsea and deeper. Energy transition neophyte. Sound waves are my eyes 🍁 🇺🇦
Paul Szejner @pszejner.bsky.social Forest ecologist, based in (Luke.fi) Finland. I study stable isotopes in water, plants, and tree rings to understand the relationships between plant physiology and environmental changes. www.paulszejner.com
David Calvert @calvertphoto.bsky.social Visual storyteller with corporate and editorial clients. 📷 for Reno Aces, Nevada Independent, others. Journalism adjunct. @NPPA advocate.
Chris Marsh @cmarsh.bsky.social Research scientist with Environment and Climate change Canada | previously with @GWFutures @usask_water @CentreForHydro | Hydrological modelling and fieldwork | http://cryolist.org | http://SnowCast.ca
David Tindall @dbtindall.bsky.social UBC sociology professor. Environment, social networks, social movements. Tweets on environment, climate change, social and political issues, & some satire.
Christopher Krieg 🌿 @ckrieg.bsky.social Assistant Professor |
Plant Ecophysiology & Evolution |
Dept of Biology, Wake Forest University |
#botany #plantecophys #evolution
#ferns #cycads #polyploidy
#WakeBotany
christopherkrieg.com
Evan Frost @wildwoods.bsky.social Terrestrial-Fire-Forest Ecologist, Conservation Scientist and Principal - Wildwood Consulting LLC. Working on land stewardship projects throughout the Pacific West.
Timberdoodle @timberdoodlydoo.bsky.social Same weird forester/forest ecologist/occasional essayist you knew from Twitter. Just a big damn squirrel specializing in regenerative forestry practices and encouraging old growth character
Known by some as "Gandalf" and "That God Damned Tree Wizard"
Danielle Creek @daniellecreek.bsky.social Plant ecophysiologist | investigating drought and temperature sensitivity of boreal forests @UniNMBU from the ground and in the air 🌲✈️
CW3E Scripps @cw3escripps.bsky.social The Center for Western Weather and Water Extremes of Scripps Institution of Oceanography at UC San Diego cw3e.ucsd.edu
Reviewer Two @reviewertwo.bsky.social 
Jim Byrne @byrnejm.bsky.social Climate scientist: renewable energy transition. Climate change impacts and solutions. Co-production, support on 70+ television, theater, web based science and education docs. Against wealth accumulation, greedy people, corporations! Off twitter!
Geo NV @geonv.bsky.social Energy | Geology | Water | Fire | Planning | Bikes | 𓅓