@cira-csu.bsky.social @cira-csu.bsky.social 
Arctic Data Center @arcticdatactr.bsky.social The primary data repository for the Arctic section of the NSF Office of Polar Programs located at NCEAS. Check out open-access Arctic data, trainings, and tools at http://arcticdata.io.
Climate Literacy and Energy Awareness Network (CLEAN) @cleanetwork.bsky.social Highest quality resources for climate and energy education: π€πhttp://linktr.ee/ceee.cleanetwork
NOAA Climate.gov @climate.noaa.gov Toward a Climate-Smart Nation. The official NOAA account for Climate.gov hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
UPgroup @upgroup.bsky.social Environmental Physics (UP) group lead by Prof. Nicolas Gruber @ethzurich.bsky.social. Ocean Biogeochemistry, Ecology and Climate.
linkedin.com/company/up-group-eth/
Inspiring Girls* Expeditions @inspiringgirls.bsky.social We offer tuition-FREE, multi-day expeditions for high school girls* that interweave science, art, and backcountry travel.
linktr.ee/inspiringgirlsexpeditions
inspiringgirls.org
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. π
β¬οΈ buffer.com/bluesky
Morgan Crowley, PhD @morganahcrowley.bsky.social Forest Fire Research Scientist with Canadian Forest Service π₯π²π³ and the WildFireSat mission ππ° π‘ | Advancing how we use satellites to monitor fires and their impacts | Woman in Remote Sensing | Mother in Science π»π©βπ»π©βπ¬π§ͺ | she/hers | celiac | ππ΅πΆπβοΈ | π¨π¦πΊπΈ
Dr. Craig DeForest βοΈ @craig.deforest.org Dad, mountaineer, heliophysicist. I lead the PUNCH space mission and direct a team at SwRI. I like science, space, communication, humans, dogs, horses, puns. Lowering barriers and promoting open science are priorities. My personal account; my opinions.
Max Boykoff @maxboykoff.bsky.social I research climate change thru several projects; Prof in Environmental Studies and CIRES Fellow at CU Boulder, IPCC AR6 WGIII Contributing Author. Born at 328 ppm. drawings credit: John Cook [big], Cal Brackin [small]
SEJ β Society of Environmental Journalists @sejorg.bsky.social SEJ is a membership association of professional journalists dedicated to environmental issues. Our mission is to strengthen the quality, reach and viability of journalism that advances public understanding of environmental issues. linktr.ee/sejorg
Zack Labe @zacklabe.com Climate Scientist at @climatecentral.org | PhD | Passionate about improving science communication through data-driven stories | Harrisburg, PA | https://zacklabe.com/
Views, thoughts, and opinions expressed here are only my own.
Scripps Institution of Oceanography @scrippsocean.bsky.social Understanding and protecting the planet since 1903.
πUC San Diego
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
UCAR Center for Science Education @ucarscied.bsky.social Connecting educators, students, and the public to Earth science research conducted at NSF NCAR and UCAR.
#NSFfunded
scied.ucar.edu
Jeff Lukas @lukasclimate.bsky.social Researcher, science translator, consultant in Colorado. Weather/climate impacts on water resources, society, ecosystems. Recovering dendrochronologist. Goal: No surprises, well-informed decisions. 
Katherine Siegel @katherinesiegel.bsky.social Assistant Professor at University of Colorado-Boulder | global change + conservation science in working landscapes | she/her | https://www.colorado.edu/lab/fowllab/ | On Ute, Cheyenne, & Arapahoe land
Science News @sciencenews.bsky.social We report on the latest news in all fields of science. See also @snexplores.bsky.social
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Cibele Amaral @cibeleamaral.bsky.social Environmental Biology and Remote Sensing Research & Data Scientist | ESIIL and Earth Lab Analytics Director, CIRES, CU Boulder | ESA Open Science Section Chair (2024-25) | Forest Engineer by training π³π²π΄
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
Christine Wiedinmyer @cwiedinm.bsky.social Science administrator at CU Boulder. Study air quality and pollution emissions, all things wildfire and open burning. Women in science. Go Buffs! 
Tom Marchitto @tommarchitto.bsky.social Professor of paleoceanography and paleoclimatology at University of Colorado Boulder
Alexandra Jahn @seaiceclimate.bsky.social Climate scientist with focus on the Arctic Ocean and Professor at CU Boulder. Opinions my own. New here
Mitch Tobin @mitchtobin.bsky.social βοΈ Journalist and photographer covering the snowpack, climate change, and Western water | βοΈ Author of snow.news |π§Co-director of waterdesk.org, University of Colorado Boulder | ποΈ Based in Durango
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.
Berkeley Lab @berkeleylab.lbl.gov Official account of Lawrence Berkeley National Laboratory (LBNL), a U.S. Department of Energy national lab. newscenter.lbl.gov
Institute of Behavioral Science at CU Boulder @cuboulderibs.bsky.social Over half a century of leading edge social and behavioral science with broad impact. 
Will Yeates @wyeates.bsky.social Climate and enviroskeeting.
Strat climate comms & media freelancing: Will@WYeates.com
(π London, Europe)
Permanently deleted my twitter account. So should you.
INSTAAR @instaar.bsky.social Institute of Arctic & Alpine Research - Earth & environmental science at CU Boulder. Research & education on the past, present, & future of Earth systems in service of a just & thriving world https://www.colorado.edu/instaar/
David John Gagne II @djgagnedos.bsky.social Machine Learning Scientist at NSF NCAR in Boulder, CO. Interested in the linkages among AI, weather, climate, disasters, and impacts. 
Dr. Crystal A. Kolden @pyrogeog.bsky.social Pyrogeographer. I study wildfire in the era of anthropogenic climate change. Former wildland firefighter. Opinions are my own. *she/her* π₯π₯π₯
Robert W. Gray @firebobbc.bsky.social Wildland fire ecologist working with Indigenous and non-Indigenous communities in western North America to build a healthy, resilient environment for future generations.
Heather, Ph.D @drspectra.bsky.social Scientist - Climate - ML - Satellites π°οΈ
Garrett Heyd Wx β @gheydwx.bsky.social Meteorologist @iowasnewsnow
π¨π₯ Iowa State Alumnus 2020 #CyclONEnation #Blackhawks
Retweets β endorsements, opinions are my own.
Anna Hughes @annalchughes.bsky.social glaciers and ice sheets, past and present βοΈβοΈπ»[she/they] 
Kirsten J. Mayer @kirstenjmayer.bsky.social NCAR CGD Project Scientist | S2D Prediction | Machine Learning | PhD | She/Her
https://sites.google.com/ucar.edu/kirstenjmayer
Caltech Seismological Laboratory @caltechseismo.bsky.social Caltech Seismological Laboratory | A focal point and source for earthquake science, discovery, and research in Southern California for over 100 years!
Ryan J Hollister @phaneritic.bsky.social Earth & EnviroSci Educator, Central Valley equity/sustainability advocate, Hiker, Photographer, 2015 NAGT FW Outstanding Educator. π Tissue Box Maker.
β€οΈπβ°π w/ @Xenolith & Z.
Alison Banwell @alibanwell.bsky.social Glaciologist | Antarctica and Greenland | Research Scientist, CIRES, University of Colorado Boulder πΊπΈ | Professor, CPOM, Northumbria University π¬π§ | Protect Our Winters Science Alliance | National Geographic Explorer
Katie Langford @katielang.bsky.social breaking news (and sometimes transportation) at @denverpost.com.
Meghan Schaberg, PhD (she/her) @arctic-megs.bsky.social Founder of The Iceberg Principle - https://theicebergprinciple.com/
Co-chair & Treasurer of USAPECS
Arctic Climate Scientist βοΈ
Passionate about ECR community building, DEI, and mentorship
Aleya @aleya-k.bsky.social Biosphere modeling climate scientist at CU & NOAA
Robert H. McDonald @rhmcdonald.bsky.social Senior Vice Provost and Director of @utlibraries.bsky.social | #OnlineLearning #libraries #archives #OER #openaccess
Shaun Marcott @shaunmarcott.bsky.social Earth Scientist interested in glacier and climate change.
Cailey Condit @cailcon.bsky.social I like my rocks deformed and metamorphosed. Assist. Prof. at the University of Washington. Fluids π¦, rheology πͺ, and the rock recordπ€! She/her
https://caileycondit.weebly.com/
Colorado Climate Center @climate.colostate.edu Climate monitoring, climate research, and climate services for Colorado.
Based at the Department of Atmospheric Science, Colorado State University. https://climate.colostate.edu
Ethan Carr @ecarr48.bsky.social Passionate about Glaciers, Climate Change, and Conservation | Ph.D. Student and Researcher at CU Boulder Geography/CIRES | NSF GRFP | Explorers Club Student Member | CU Boulder β24 USMA β20 | All opinions are my own and always 100% correct
Sarah HΓΆrst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titanβs biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Erik R. Nielsen @eniels13.bsky.social Colorado State Atmospheric Science Ph.D. '19 | Texas A&M Meteorology '13 | Studies concurrent, collocated tornado and flash flood events | San Antonio Spurs Fan
Dr. Sarah Fortner @erthsarah.bsky.social Climate mitigation, adaptation, and environmental justice through education, research, action and advocacy. Explorer.
Denise Mondragon (she/her/ella) π²π½ @denisemondragon.bsky.social PhD student @OSU | M.S. @CUBoulder 24β | B.S. @UCIrvine 22β | Atmospheric Chemistry β’ Geochemistry β’ Cryosphere
CSDMS @csdms.bsky.social The Community Surface Dynamics Modeling System (CSDMS) - Explore Earth's surface with community software: https://csdms.colorado.edu
UNC Dept of Earth, Marine & Environmental Sciences @unc-emes.bsky.social Department of Earth, Marine & Environmental Sciences (EMES) at UNC Chapel Hill. Established July 2021 from the Geological Sciences and Marine Sciences departments and the UNC Institute of Marine Sciences.
https://emes.unc.edu/
Project Drawdown @projectdrawdown.bsky.social π The worldβs leading guide to science-based climate solutions.
Visit www.drawdown.org to learn more
Stanford Woods Institute for the Environment @woods.stanford.edu Stanford's collaboration hub for interdisciplinary environmental research about people & planet. Focused on climate resilience, natural climate solutions, thriving ecosystems, human & planetary health, and just outcomes. | woods.stanford.edu
CMIP β Coupled Model Intercomparison Project @wcrp-cmip.org CMIP, bridging science and policy to meet the climate challenge.
UVic School of Earth and Ocean Sciences @seos-uvic.bsky.social SEOS has pioneered, in Canada, the establishment of a research focus in Earth System Science. Our core disciplines are geology, geochemistry, geophysics, oceanography & atmospheric science https://www.uvic.ca/science/seos
CliMAS Illinois @climasillinois.bsky.social Weβre the Department of Climate, Meteorology & Atmospheric Sciences at the University of Illinois Urbana-Champaign.
Weather and Climate with the Power of I.
Marshall Shepherd @drshepherd2013.bsky.social Weather-Climate professor and scientist, Host of Weather Geeks, Forbes Senior Contributor, Alpha, 3xFSU Alum...Tweets and RTs are mine but not endorsements
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
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Mike Dettinger @mdettinger.bsky.social Water/environ/climate news & my occasional thoughts/calcs, from CarsonCity (WΓ‘βΕ‘iw land), NV. Retired USGS & now p/t @CW3EScripps scientist.
Bona fides? PhD.UCLA F.AGU F.AAAS M.NAE; www.mdettinger.com
Dr. Merritt Rae Turetsky @queenofpeat.bsky.social Pre-order Bogland at https://wwnorton.com/books/bogland
Author, scientist, mom. Bog adventurer. Permafrost detective. Learn more at merrittraeturetsky.com
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Peter de Menocal @pdemenocal.bsky.social President & Director
Woods Hole Oceanographic Institution 
Tessa Hill @tessahill.bsky.social Climate change, oceans, blue carbon and coastal communities. Professor, researcher, educator, author. π
π: At Every Depth @ateverydepth.bsky.social
AtEveryDepth.com
bio.site/Tessahill
Ankur Desai @profdesai.bsky.social Professor and Chair@UW_AOS Meteorology, Ecology, Climate Sci (Biosphere-Atmos) Parent to 3 kid chaos. Https://flux.aos.wisc.edu
Dr. Melissa Burt @drmelissaburt.bsky.social Atmospheric & Climate Scientist, Social Justice, Atmospheric Science Education Researcher, Co-founder Science Moms
Mama, crafter, baker
Pride in Polar Research (PiPR) @polarpride.bsky.social Pride in Polar Research was founded in 2018 to listen to, support, unite, & uplift marginalized #queer professionals in #PolarScience. π³οΈβππ§βοΈ #PolarPride #LGBTQIA #QueerInSTEM #DiversityInPolarScience info@prideinpolarresearch.com
Karianne Bergen @kariannebergen.bsky.social Assistant Professor @ Brown Data Science Institute | Machine Learning | AI for Science | ML in Geophysics & Climate - opinions are my own
Jon Duncan @watershedduncan.bsky.social Associate Professor, watershed hydrologist interested in interactions among water, ecology, geomorphology, and people. Biogeochemistry, water quality enthusiast. Forested, agricultural, & urban watersheds. State College, PA 
Professor Chuixiang (Tree) Yi at City University of New York @cyi12.bsky.social Earth resilience, tipping behavior, nonlinear thinking, stability analysis, climate change, photosynthesis, soil respiration, tree mortality, Fulbright Scholar
W. Chris Funk @fieldgenomics.bsky.social Conservation genomics / biodiversity / climate vulnerability and resilience / Amphibians / Pacific Northwest / Rocky Mountains / Neotropics / Professor @CSU Dept of Biology / Diversity in science
http://funklab.colostate.edu/
https://www.amphibiagen.org
Ross Ong @paleoross.bsky.social Paleoclimate scientist and marine geochemist | π΅ππΊπΈπΈπ¬
Founder, Aetherium Advisory, Singapore
Research Associate @ AMNH
PhD @ Columbia DEES-LDEO, Former Postdoc at AMNH
Loves Coffee | Corals | Climate | oCeans | Colpophyllia | Carbon
https://rossong.github.io
Eviatar Escolar Bach @eviatarbach.bsky.social Lecturer (Asst. Prof.) in meteorology and math. & stats | Data assimilation, climate, ML, applied dynamical systems, predictability, inverse problems, climate politics
She/her π³οΈββ§οΈ
https://eviatarbach.com
Brian Matilla @bxmatilla.bsky.social Meteorologist (RA) | Python-smithy on some days? | short-term, high-impact weather w/ CAMs | M.S. (2018) at @miamirosenstiel.bsky.social | Husband | Latino | Racing aficionado. All opinions my own & not my employerβs.
Theo Stein @theostein.bsky.social Cranky Yankee besotted by the West
Randy Showstack @randyshowstack.bsky.social Environment, science, and health journalist, editor, communications strategist. Past President, DC Chapter, Society of Professional Journalists. http://RandyShowstack.com
Dr. Carlie Trott @carlietrott.bsky.social Social/Community Psychologist
Climate Justice | Community Action
Research: https://t.ly/ZK-v3
(views my own)
Dr. Cat Lambert @risky-on-rocks.bsky.social Asst. Prof in risk/science/environmental communication at Northeastern University | Studying climate, hazards, renewable energy, and how humans make sense of it all
Dakota Smith @weatherdak.bsky.social Digital Meteorologist at @CNN.com, Science Communicator, & Creator
Twitch partner, (sometimes) live at night: twitch.tv/weatherdak.
Leah Marshall @leahpmarshall.bsky.social Research Associate @nau-ses.bsky.social studying paleoclimate, permafrost and carbon, she/her
Juanita Jackson π¨π¦ @westcoastbclife.bsky.social Lifetime Learner;Educator;Inclusion Specialist;Retired Admin;
Science;Research;Health;Politics
@westcoastbclife.bsky.social πΊπ¦π»
Oregon State University CEOAS @osuceoas.bsky.social Oregon State University's College of Earth, Ocean, and Atmospheric Sciences - our scientists and students are on the leading edge of discovery, from the depths of the ocean to remote mountain peaks. Come explore.
Header photo by Pat Kight.
UN Environment Programme @unep.org Official account of the United Nations Environment Programme
https://www.unep.org/
Dan Ibarra @danibarra.bsky.social Filipino-American (paleo)climate scientist and biogeochemist. Working on weathering, carbon, lithium, water, lakes, caves and soils. Assistant Professor at Brown University. https://sites.brown.edu/ibarra-lab/
World Climate Research Programme (WCRP) @wcrpclimate.bsky.social The World Climate Research Programme (WCRP) β Leading the way in tackling global climate challenges.
π Learn more: https://www.wcrp-climate.org/
Follow us on all platforms: Facebook, LinkedIn, Bluesky, TikTok & X
Chris McBee @mcbeewx.com #Stormchaser 20+ years based in Denver. Severe weather enthusiast, occasional stand-up comic. Former news photog, current finance guy in higher ed. Husband to @pondert.art. Extra/videographer in Twisters. Big OU fan. Love a good #tornado pic.
mcbeewx.com
Rebecca Buchholz @atmosbec.bsky.social Atmospheric Chemist with NSF NCAR ACOM
Scientist | traveller | dancer |
My views are my own
Mark Parrington @mparrington.bsky.social ECMWF senior scientist working on monitoring global #wildfire emissions, #airquality, atmospheric chemistry & #scicomm for the #CopernicusAtmosphere Monitoring Service @copernicusecmwf.bsky.social @ecmwf.int
@ricksaltus.bsky.social @ricksaltus.bsky.social 
Joe Moore @wxjoe.bsky.social Meteorologist in Duluth, MN with a passion for big ideas. Opinions expressed here do not represent my employer.
Courtney Carpenter @courtneycarpenter.bsky.social NorCal Meteorologist | Best Coast Inhabitant | Sports Enthusiast