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Hadley Wickham @hadley.nz R, data, ๐, ๐ธ, ๐. He/him.
Katharine Burke @katharineburke.bsky.social Author: EARTHWARDS: Transformative Ecological Education. (TREED) MEd. Nature Ecology and Sustainability, Regenerative Practitioner (Regenesis), Permaculture farmer and facilitator of The Work that Reconnects. 
Katharine Sanderson @kms163.bsky.social science journalist | gig rower | cyclist | parent | Cornwall
Katharine Gammon @kategammon.bsky.social Science, health, tech, environment journalist writing for The Guardian, The Atlantic, Nautilus, Forbes and others. Living by the beach.
Katharinegammon.com
Kathari News @kathari.news We deliver timely, comprehensive and reliable news and views on the global energy transition | https://kathari.news/ | #EnergySky
Katharina J. Peters @kjpeters.bsky.social Behavioural ecologist @UOW Marine mammals and other squishy things ๐ฆญ๐ฌ๐ณ๐พ ๐จ Research leader at MAVELab www.mavelab.org . viewsmyown 
Katharine Norbury @katharinenorbury.bsky.social Curious, walker, swimmer, thinker; anam cara.
WOMEN ON NATURE
@Unbounders
THE FISH LADDER
@BloomsburyBooks
Shortlist
@WainwrightPrize
#neurodivergent
@UnitedAgents
Katharina Schrรถer @katharinaschroeer.bsky.social TT-Prof at Uni Freiburg, head of Climate Geography Lab CliG. Climatology and impacts of extreme events. Severe convective weather and hail. Interested in climate across scales, Python & mountains. Mom of two. ๐๐๐๐ฉ๐ผโ๐ป๐ฉ๏ธโ๏ธ๐๏ธ
Katharina Schipkowski @katschipkowski.bsky.social Journalistin @taz.de
Politik, Soziale Bewegungen, Klima
Podcast: Klima Update https://taz.de/Podcast-klima-update/!t5783392/ 
Katharina Rogenhofer @krogenhofer.bsky.social Vorstรคndin & Sprecherin KONTEXT | Autorin "รndert sich nichts, รคndert sich alles!" | ehem. Leiterin Klimavolksbegehren | Mit-Initiatorin Fridays for Future รsterreich | Naturschutz Uni Oxford | Zoologie Uni Wien
Katharina Kropshofer @kkropshofer.bsky.social Journalistin @falter.at
Mitgrรผnderin @netzwerkklimajourn.bsky.social, @andererseits.org
all things science, climate, biodiversity
Dr. Catherine Macdonald @drcatmac.bsky.social Marine scientist and teacher Field School & University of Miami. Director of sharktagging. NatGeo Explorer. Shark & ray ecology, biology, conservation. She/her. 
Cat Brinkley @drdrcatbrinkley.bsky.social Prof with a focus on #OneHealth- health is shared between humans, animals, and the environment #planner #veterinarian Interested in planning science, history of food systems, and future of development
Catherine Morehouse @cmorehouse.bsky.social PowerLines Communications Manager. catherine@powerlines.org. Previously: POLITICO power grid reporter. Minnesotan.
Catherine Fraser @cathfraser.bsky.social climate @dataforprogress.org | she/her
https://dataforclimateprogress.substack.com/
Kathryn Harrison @profkharrison.bsky.social Climate policy researcher, UBC Professor, chemical engineer, political scientist, feminist, cyclist. Persistently hopeful, but losing patience!
Kate Raworth @kateraworth.bsky.social Author of Doughnut Economics, Co-founder of Doughnut Economics Action Lab, Senior Teaching Fellow at Oxford Uni Environmental Change Institute. doughnuteconomics.org
Dr. Katharine Wilkinson ๐ฑ @kkwilkinson.bsky.social ๐คธ๐ปโโ๏ธ Climate author, teacher, creator ๐ Climate Wayfinding (new!), All We Can Save, Drawdown, etc โจ Lead @allwecansave.bsky.social ๐ Co-host, A Matter of Degrees ๐ ATL
True loves: ๐๐๐โโฌ๐บ๐ผ๐ณ๐โฐ๏ธ
Katharine Mach @katharinemach.bsky.social Environmental Science and Policy Professor at University of Miami Rosenstiel School and Abess Center.
Climate-related risks and response options to address them. Views my own.
climateprep.rsmas.miami.edu/index.html
Kathryn Chelminski @kathrynchelminski.bsky.social Author of Gov Energy Transitions (CUP)โก๏ธ๐๐ก @Brown CSL Fellow; Personal account, views are my own
katie brigham @kbrigham.bsky.social climate tech reporter (aka ENERGY DOMINANCE reporter) at @heatmap.news | signal: katieb.40
๐ Seattle, WA
Kate Mackenzie @katemac.bsky.social finance, energy, climate, geopolitics, industrial policy
@thepolycrisis.bsky.social
in Australia -> DMs hard to retrieve, best to email
Kate Lawson๐ @kattl.bsky.social English Prof, U Waterloo, Victorian literature
Trees, urban forests, bikes, climate change, etc. etc.
peregrine kate (she/her) @peregrinekate.bsky.social cat lady, Democratic PD, gardener, birder, mother, grandmother, recovering academic (UMich Am Cult PhD), TNG-CWA member, climate justice activist, local TEC admin, Third Act MI co-fac (roles not ranked). #ShutDownLine5 #WaterIsLife #OldAndBold
Kate Cahoon @katecahoon.bsky.social She/her. Climate campaigner with 350.org & reproductive justice activist. Based in Berlin, originally from Naarm (Melbourne).
Kate Gordon @katenrg.bsky.social CEO at CA FWD; Non-resident Scholar Carnegie Inst. Energy, climate, & economic development nerd (plus lover of Oxford commas); speaker/thinker/writer when I have time; proud public school parent. Former DOE & Office of CA Governor.
Kate Knuth @kateknuth.bsky.social Climate, democracy, civic-type things. Rooted in Minnesota and Minneapolis, stretching beyond.
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
Kate Abnett @kateabnett.bsky.social Journalist. Senior correspondent covering climate change and energy for Reuters in Brussels. Former #EUETS nerd at ArgusMedia. Views mine.
Kate Petersen @k8petersen.bsky.social Writer. Science and climate communicator. Former Stegner fellow at Stanford. Daughter of Gallahop. Opinions are my own.
Kate Johnson @kateplantphys.bsky.social Plants & climate extremes๐ณ| Art, words & nature | Marie Skลodowska-Curie #MSCA Postdoc fellow @creaf.cat | Co-manager of thatsscience.org (follow us!) thatssciencetas.bsky.social | Fulbright '21/22 | she/her ๐ณ๏ธโ๐|๐๐ฆ|๐
From Lutruwita/Tasmania, in Barcelona ๐
Kate Moran @katemoran.bsky.social ๐จ๐ฆGlobal citizen for kindness, climate action, ocean protection. Leguminati. Views are my own.
Kate Schapira: "Well Put & Generalizable" @kateschapira.bsky.social I wrote a book, LESSONS FROM THE CLIMATE ANXIETY COUNSELING BOOTH: HOW TO LIVE WITH CARE AND PURPOSE IN AN ENDANGERED WORLD. Let me know if you think you could use it for something.
Kate Jean Smith @katejean.bsky.social Comms @UNDP, focused on climate adaptation ๐ Confessed news junkie with interests in #media #socialmedia #digital #climatechange - views all my own.
Kate Clayton @kateclaytn.bsky.social 
Taylor Kate Brown @taylorkatebrown.bsky.social Investigative and solutions climate journalism. Signal: taylorkatebrown.98 | taylorkatebrown.com | previously: ProPublica, SFChronicle and BBC. I can also make your emails not suck.
Kate Hoerster @katehoerster.bsky.social Day: PTSD treatment & recovery. Night: climate, transportation, & public health advocacy. 24 hours: a more just world for my kids & yours. She/her. Views my own.
Katie Harris @katietherockdoc.bsky.social Archaeologist. Climate & environmental policy wonk. She/her.
Katie Jones @katiejonesmpls.bsky.social โHope and resilience are the enemy of fear.โ - Sophie and Colin Hortman
https://linktr.ee/katiejonesmn
Katie Stuble @holdenrestoration.bsky.social Research scientist @ Holden Arboretum. Ants, plants, interspecific interactions, and global climate change!
Katie Holten @katieholten.bsky.social Artist | Author of THE LANGUAGE OF TREES | Host of Sunday Salons | Rights of Nature ๐ Long COVID ๐ท Dysautonomia | Irish in NYC / Ardee | Born @331ppm | Climate Justice
Bio: https://www.katieholten.com/about
Language of Trees: https://bit.ly/LanguageTrees
Katie Myers @stopitkatie.bsky.social Appalachian regional climate reporter @ Grist/ Blue Ridge Public Radio. I write plays and other weird stuff sometimes.
Katie Matthews, PhD @katieocean.bsky.social Lapsed geologist, Chief Scientist at @oceana.bsky.social, dog mom. DC born and raised. Philly is my 2nd home.๐
Skeets my own, *not* my employerโs. Mostly oceans + science + climate + policy. A little politics (sorry) and Phillies (not sorry).
Catherine McKenna @cathmckenna.bsky.social ๐ฑ CEO, Climate & Nature Solutions; Chair UN Net Zero.
๐จ๐ฆFormer Minister of Environment & Climate
๐โโ๏ธAuthor, Run Like a Girl
Order your copy today โฌ๏ธ
www.catherinemckenna.ca
๐ฉ contact@climateandnature.com
Dr. Katie Glover (she/her) #BLM @katieglover.bsky.social Assoc Director of Environmental Education @stanfordjrbp 'Ootchamin 'Ooyakma ๐ฒ Nat Geo Explorer ๐ UMaine Climate Change Institute Affiliate ๐ฉโ๐ฌ Born at COโ = 335. Views my own. ๐ณ๏ธโ๐
Katie Sieradzan @katiesieradzan.bsky.social PostDoc researcher at Oregon State University
Katie Smirnova @katiesmirnova.bsky.social Nature Conservation - Climate Action - Community Engagement
Catherine Queen @catherinequeen.bsky.social Senior Lecturer in Planning @ Uni of Liverpool. Public disengagement from planning for energy futures, inclusive cities, climate communication.
Catherine Wolfram @cwolfram.bsky.social Climate and energy economist at MIT Sloan. Former DAS at Yellen Treasury.
Catherine Wong @catherinewong01.bsky.social @UNDP Global Team Leader - Climate & Security Risk | #ClimateSecurity Mechanism | #ClimatePromise #WaterforPeace #msc_myl | @UNDPCPS.bsky.social | Views my own.
Catherine James @catherinejames.bsky.social interested in livestock production, comms + extension โข farmer for climate action โข generally found pottering in my garden โข Dja Dja Wurrung and Yorta Yorta Country, Australia
Catherine Johnston @catherinejohnston.bsky.social Wildlife, Climate Law, Irish Fiction, Trees. Wexford Citeรณg.๐ณ๐๐๐ฎ๐ช๐ช๐บ
Catherine Cheng @1amphoenix.bsky.social Climate Founder | Angel Investor | Event Planner
Cate Macinnis-Ng @loraxcate.bsky.social Tree ecophysiologist, parent, ocean paddler and brownie baker. I'm interested in forests, water, carbon, climate change. Tangata Tiriti and manuhiri, she/her, Auckland Uni Prof, Lead Author IPCC AR7 WGII, Senior Editor J Applied Ecology
Katharina von Busch @kathavonbusch.bsky.social Between law and politics. Human Rights. Environmental and Climate Litigation. Subsaharan Africa ๐โป๏ธโ๏ธ
Berlin based.
actually three quarter life crises in a trenchcoat.
Katharina Kรผpfer @kkuepfer.bsky.social PhD student working on the serial clustering of multiple extreme events at the Institute of Meteorology and Climate Research at @KITKarlsruhe
Katharina @kvds.bsky.social she/her
Campaigning for protection of forests and biodiversity, climate justice and protection of human rights. @greenpeace.de
Views are my own.
Katharina Wecker @katharinawecker.bsky.social freelance journalist | covering the climate crisis, environment & women | interested in what and how we will eat in the future
Kat Davis @katharina-davis.bsky.social Working on climate + environment for international organizations. Interested in urban design, public spaces, social justice, environmental & climate psychology, mindfulness, visual arts, interior design.
Kat Gonz @krgonzales.bsky.social ๐จ๏ธ Talks about: Climate change, colonialism, labor justice, and eco mysticism
terradivina.substack.com
Kat Kerlin @katkerlin.bsky.social Environmental science writer, press officer, pro #scicomm -er for UC Davis. Covering climate change, ecology, conservation, water and wildlife. My other brain is full of paint. Views my own.
Kat @kitkathy.bsky.social (she/her) ecologist and public servant in the great lakes basin. I love hiking, photography, ceramics, fiber arts, sci-fi, dnd, & podcasts. ๐๐๐พ๐ฒmy dog is my #1 lad ๐
Kat Morgan @muralhunter.bsky.social Muralhunter ๐จ Photographer ๐ท Naturalist ๐ฒ Climate Steward ๐ EcoFeminist ๐ณ๏ธโ๐ Justice Builder ๐ฃ AntiRacist โ๐ฝ Caretaker ๐ฆ Activist ๐ซฑ๐ฝโ๐ซฒ๐พ Knitter ๐งถ
Living on unceded Ohlone Rumsen Coastanoan land. she/her
Curiosity doesnโt kill this Kat.
Kat Haber @kathaber.bsky.social Great Marcher for Climate Action, climate coach, TEDxVail organizer, TRUST Climate Action Strategists founder, mama/gramma/great-gramma, WORLD PULSE Digital Ambassador, WE Rotary Club of International Peace Charter President, Vail back bowl skier, LEAPer
Kat So @kso23.bsky.social Climate and Conservation Policy Advocate | Campaign Manager at @americanprogress.bsky.social | Please be nice to me | Views are my own
Katherine T. Tyson @katherinettyson.bsky.social Day job policymaking on climate change/adaptation gap. Research public goods provision (IR, IPE, Law)
Nature | Academia | Disability | Politics | LGBTQ+ | BookTok | Writer | Anime | Gamer | Fandoms | Photography
โ๏ธ๐๐จ๐ฆ๐ฌ๐ง๐ธ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ณ๏ธโ๐๐โโฌ๐ต
Oxford | UBC | Columbia | Waseda
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
Katherine Bagley @katbagley.bsky.social Editor-in-chief at @grist.orgโฌ. Climate journalist. Sleep-deprived mom. Mint chip ice cream enthusiast. Views expressed are my own.
Dr Katherine Whyte @kateywhyte.bsky.social Senior Ecological Statistician @bioss.bsky.social ๐
Scientist in marine mammals, seabirds, renewable energy, statistics & animal movement.๐๐ฆญ๐ง๐พ
STEM Ambassador.๐ฉโ๐ป Own views.
https://katherinefwhyte.co.uk/
Katja Kircher @katjakircher.bsky.social Research Leader at VTI, Sweden. Sustainable transport, active travel. Cycling long and short distances.
eng/swe/ger- C Catherine MItchell @catherinemitchell.bsky.social Professor Emerita of Energy Policy, University of Exeter. My views only.
Katherine Gage @katgage.bsky.social BESS and clean energy professional. CELI 2024 fellow. Climate legal and regulatory compliance focused. Human rights and social justice driven. Chicago Feminist Book Club facilitator. Reading enthusiast. Cat lady.
Katharine Bierce @kbierce.bsky.social Project manager and marketer working to make shift happen. Let's fix climate change and build a more just and sustainable world.
Cassie Whiteside @cassiewhiteside.bsky.social Mom, Nature-lover, Climate-Aware Therapist. Facilitating and organizing Climate Cafes. Working to increase emotional resilience to climate change and all it entails. Hurricane Helene survivor and witness.
Katrina Adamczyk @katrinakittyyy.bsky.social Biologist and data scientist | New Mexico State Land Office
Certified Wildlife Biologistยฎ๏ธ
She/her
Kathy Hochstetler @hochstet.bsky.social Professor of International Development at LSE. Emerging powers, energy, climate
Katharine Wright @wrightkatharine.bsky.social Freelance ethics consultant - global health, research ethics & climate and health. Interests include ethics, human rights, politics and anything to do with saxophones. Accidental dog owner.
Caitlin MacKenzie @cmacmtns.bsky.social Plant ecologist, lover of tiny alpine communities on small mountains, faculty at Bennington College, Plant Love Stories co-founder, she/her
Katie Stelling @katiestelling.bsky.social arctic paleoclimate/oceanography, ice sheets, & forams | phd student at the uw |ms oregon state| wwu geology alum | nsf graduate research fellow |๐ฒ๐๐งถ๐ท๐ฒ | she/her ๐
Kathrin Bussmann @kathrinbussmann.bsky.social Trilingual Canadian | Toronto based | Linguistics PhD | Fan of bike lanes, renewables & electrification | Pragmatic optimist | Helping to scale climate solutions at elocitytech.com and @verbaccino.bsky.social | Opinions my own.
Katherine Leitzell @katalite.bsky.social Science comms, swimming, cycling, cats, and cartoons.
Currently with @cgiar.org, previous work with IPCC, IIASA, NSIDC and others.
Katherine Allen @paleobluedot.bsky.social Associate Professor at the University of Maine, Orono, Maine, USA. I study oceans and climate, past and present.ย
Kathleen Johnson @cavesandclimate.bsky.social Professor, UC Irvine; Paleoclimate, speleothems, geochemistry, community-engagement, climate justice; #NativeinSTEM; she/her
U.S. Rep. Kathy Castor @usrepkathycastor.bsky.social โก๏ธTampa Bay's Congresswomanโก๐ด๐ค๐
๐บ๐ธ People Over Politics! ๐บ๐ธ former Chair of the Select Committee on the Climate Crisis ๐บ๐ธ #FL14
Kate McGinn @kate-mcginn.bsky.social Visiting Professor studying the effects of climate change on wildlife using bioacoustics, movement ecology, and ecophysiology. Professional and recreational hooter | she, her, hers
Colorado College | kmcginn@coloradocollege.edu
Kati Kulovesi @katikulovesi.bsky.social International Law Professor / Director of the Center for Climate Change, Energy and Environmental Law CCEEL / Member of the Finnish Climate Change Panel / Member of the Sรกmi Climate Council / LL.M & PhD LSE Law
Dr. Katharine Dickson @metaomicsnerd.bsky.social Microbiome science by training; climate policy by calling.
Professional anti-methanogen crusader.
I ๅใใ some ๆฅๆฌ่ช.
Opinions my own. She/her. ๐บ๐ธ. โธ๏ธ (Jลdo Shinshลซ).
Owner of @cowburpsbot.bsky.social
Portfolio: https://tinyurl.com/katharinedickson
Gerard Cats @gjcats.bsky.social Former ICT weather (hence climate) models, data. Air pollution (hence traffic and economy) models.
https://www.krachtvanutrecht-initiatief.nl/joomla/component/search/?searchword=Cats
https://www.geetacs.nl
Katerina Georgiou @katerinageorgiou.bsky.social Soil carbon & climate feedbacks | Prof at Oregon State Univ | PhD at UC Berkeley | climbing, skiing, and all things outdoors ๐ฟ๐๐ kgeorgiou.com
Dr Kathryn Emmerson @kathrynemmerson.bsky.social Principal Research Scientist at #CSIRO Australia. Atmospheric chemical modeller working on biogenic gases, pollen and particulate matter. A Brit in Melbourne, posting my own views.
Climate Action Maps (Cat Russell) @climateactionmaps.bsky.social Motivate and organize your climate actions using a Climate Action Map. We all need to be doing what we can, at all levels. www.climateactionmaps.org
Kathie Dello @kathiedello.bsky.social ๐Raleigh
Kate Johnson @kjrhody.bsky.social Software Engineer
๐ Asheville NC
Katy Duke @katyduke.bsky.social Director; Swann Design Architects. Gardener, EV fan, self-builder, climate campaigner. Data cruncher. Expect spreadsheet charts!
Kathrin Fucke @kathrinfucke.bsky.social Social & personality psychology, psychological assessment | the role of Need for Cognition and Authoritarianism in climate change and perception of politicians | love reading escpecially historical (crime) novels, cooking and eating | views my own
Kaitlin Naughten @kaitlinnaughten.bsky.social Ice, ocean, and climate scientist at @antarcticsurvey.bsky.social. Views my own.
Katherine Drotos @spiritofcavalia.bsky.social Evolutionary biologist | Ongoing #fishgenomics & #lichens work | Evolution, philosophy, pedagogy, fungi, genomics | Justice & climate | she/her
Cat Scott @catzigle.bsky.social Associate Professor of Biosphere-Climate Interactions at University of Leeds; Director @leedsleaf.bsky.social; working on the interactions between trees and climate ๐ณ (she/her)
https://environment.leeds.ac.uk/see/staff/1529/dr-cat-scott