David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social I am a marine conservation biologist studying sharks and a science writer. Posts are about science and the environment, science communication, and more! He/him
Sharks4Kids @sharks4kids.bsky.social Creating the next generation of shark advocates through education, outreach and adventure. Nonprofit organization.
https://www.sharks4kids.com/
Huw Griffiths @huwiceandstuff.bsky.social Polar marine biologist (Antarctic & Arctic) with @bas.ac.uk . Walks a lot and takes lots of photos! 🇦🇶🏳️🌈🦀🐚🐟
Same handle on Instagram
He/Him/His
Paul Powlesland @paulpowlesland.bsky.social Rights of nature & climate campaigner. Barrister & river guardian. Love trees & rivers; & working to defend, protect & restore them. Founder of @lawyersfornature.bsky.social & @riverroding.bsky.social
Friends of the Earth Europe @foeeurope.bsky.social FoEE folk in Brussels, campaigning for resilient & just societies in harmony with the planet.
Follow for stories, actions & insights on social & environmental justice - from the 💚 of the EU to communities across Europe friendsoftheearth.eu
High Seas Alliance @highseasalliance.bsky.social The High Seas Alliance is a partnership of organizations aimed at building a strong common voice and constituency for the conservation of the High Seas. highseasalliance.org
Greenpeace UK @greenpeaceuk.bsky.social We protect the planet and promote peace 🌍☮️
Take action with us 👉 greenpeace.org.uk
Met Office - weather and climate @metoffice.gov.uk Official UK Met Office account. Get the weather in your hand with our app: http://linktr.ee/MOContent
Convention on Migratory Species (CMS) @cms.int Convention on the Conservation of #MigratorySpecies of Wild Animals (CMS). A biodiversity treaty of the United Nations 🇺🇳
Discover more at www.cms.int
The Conversation UK @uk.theconversation.com Independent news website. Only publishes articles written by academics and researchers. No paywall, no ads. All Creative Commons licensed.
Sign-up now for our free newsletter: https://theconversation.com/uk/newsletters/
This account is mostly automated.
Clean Arctic Alliance @cleanarctic.bsky.social We're taking action to protect the Arctic, its wildlife & its peoples from the impacts of shipping. http://www.cleanarctic.org
Friends of the Earth U.S. (Action) @foeus.bsky.social Friends of the Earth (Action), Inc. defends the environment and champions a healthy and just world.
Plasticfree NW Leeds- Climate Kirsty 🐟🐝🇪🇺 @plasticfreenwleeds.bsky.social Climate action, campaigning for clean rivers and seas due to #SewageScandal , I hate Brexit and Tories- Views are my own
Earth Negotiations Bulletin @enb.iisd.org Independent reporting on #environment and #sustdev negotiations.
Subscribe for reports http://bit.ly/ENBupdate
ENB is an editorially independent unit of the IISD @iisd.org
Plymouth Marine Laboratory @pml.ac.uk A world leader in the field of marine research, Plymouth Marine Laboratory (PML) delivers impactful science in support of a sustainable ocean future.
Greenpeace International 🌍 @greenpeace.org Greenpeace exists because this fragile earth deserves a voice. It needs solutions. It needs change. It needs action. https://empli.fi/greenpeace
The Copernicus Marine Service @copernicusmarine.bsky.social The #CopernicusMarine Service, implemented by Mercator Ocean International on behalf of the European Commission, provides data & forecasting services for marine applications and coordinates the #CopernicusCoastalHub and #CopernicusArcticHub.
Common Seas @commonseas.bsky.social Non-profit working to stop the flow of plastic pollution, to protect our ocean, our health and our future. commonseas.com 
Ocean Campaigns @oceancampaigns.bsky.social Ocean Campaigns brings together communications & policy professionals to support the ocean conservation community. 🌊🪸❄️🐟🐙🦈🐳🐬 🛳️ https://oceancampaigns.com/
International Institute for Sustainable Development @iisd.org An award-winning independent think tank for sustainable solutions. Focused on climate, nature & economies.
Get the latest #sustdev news: http://bit.ly/2w12V4K
Wildlife Conservation Society @wcs.org Saving wildlife and wild places around the globe since 1895. Visit www.wcs.org.
Seas At Risk @seasatrisk.bsky.social Seas At Risk has been working for 30+ years to protect the marine environment. 
Ocean Conservancy @oceanconservancy.org Ocean Conservancy is working with you to protect our ocean from today’s greatest global challenges. Together, we create evidence-based solutions for a healthy ocean and thriving planet, forever and for everyone. Join us: OceanConservancy.org
Healthy Ocean Coalition @oceancoalition.bsky.social We are changemakers, a community of ocean lovers, guided by the principle that we are stronger and more influential together.
OneOcean Flotilla @oceanflotilla.bsky.social Unbranded, collective drive to achieve maximum impact for the #ocean, by supporting groups to align around key objectives. #OneOceanOnePlanet
Ursula von der Leyen @vonderleyen.ec.europa.eu President of the @ec.europa.eu
Mother of seven. Brussels-born. European by heart. 🇪🇺
Bloomberg Philanthropies @bloombergdotorg.bsky.social Bloomberg Philanthropies works primarily to advance five areas globally: the Arts, Education, the Environment, Government Innovation and Public Health.
Minorities in Shark Sciences @misselasmo.bsky.social Founded by four Black female shark researchers seeking to promote diversity and inclusion in shark research. 🦈
International Glaciological Society @igsoc.bsky.social ❄️ Official account of the International Glaciological Society. Discover the wonders of snow and ice with us! #Glaciology ❄️
igsoc.org
Florian Keil @floriankeil.bsky.social 🇺🇳 International migratory🦩🐘🐋 conservation @UN. International Relations @BrownUniversity 🌿, Media Studies @UniBonn 🇩🇪. Views are my own.
CO2.Earth @co2earth.bsky.social The latest measurements of the most important GHG in the Earth’s air--3400 metres above sea level near the top of the Earth's largest mountain & the middle of its largest ocean.
Posts by Michael McGee, b. 318 ppm, creator of CO2.Earth.
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Rick Bronkhorst @rickbronkhorst.com 📱 Coming Soon
🎥 @bioskoop.org
🌍 Helderberg, South Africa
✝️ Matthew 20: 1-16
📡 #LinkInBio: https://linksta.cc/@rickbronkhorst
♥️ #LoveWins #BeTheChange #BeReal #BeLove #FuckCancer
WWF Media Team @media.panda.org WWF International's media team. Bringing you the latest news and updates from WWF's global network. For media enquiries, comment and interview requests, or to join the WWF International press list, contact us at: news@wwfint.org
UN Biodiversity @unbiodiversity.bsky.social 
Global Environment Facility (GEF) @thegef.bsky.social The GEF is a family of funds working to address the planet’s most pressing environmental problems.
GENeva Environment Network @genevaenvironmentnetwork.org #GENeva: a global hub for #environmental governance. GEN is a network of over 100 organizations based in the region, led by @UNEP.org & supported by #Switzerland
World Meteorological Organization @wmo-global.bsky.social 
Yvon Chouinard @ychouinard.bsky.social Conseiller en mentorat
Jeremy Jones @jeremy-jones-snow.bsky.social Father. Husband. Earth Surfer. Founder of Protect Our Winters. Jones Snowboards Owner.
Rob @bellerinfc.bsky.social Héctor Bellerín, Vegan, The Arsenal home and away over land and sea, He/Him, In that order. 🏳️🌈🔴⚪️ Champions of England 🏆
Emily Liman @emilyliman.bsky.social Professor of Neuroscience at USC (Los Angeles), #OTOP proton channels
Adam McKay @ghostpanther.bsky.social Filmmaker: Hyperobject Industries/Yellow Dot Studios
Climate & societal collapse with some sports and movie talk. And yes, the mixture is disorienting.
Prof Martin Attrill @martinattrill.bsky.social Prof Marine Ecology Plymouth Uni; Chief Scientific Advisor Ocean Conservation Trust; Trustee Manta Trust; Loves Seagrass; Originator National Marine Park concept; Founder MSc Marine Conservation @PlymUni. Green-tinged humanist.
Helen Amanda Fricker @helen-amanda.bsky.social Professor of Glaciology, Scripps Polar Center, UC San Diego
https://bsky.app/profile/scrippsocean.bsky.social
Studies Antarctica with satellites
PI of EDGE mission edge.ucsd.edu
🇦🇶🛰️🧊
Graduate of @UCL & @UTAS
❄️❄️❄️
The Marine Biological Association @thembauk.bsky.social A leading UK marine biology research institute, promoting scientific excellence and representing the marine biology community since 1884.
🐚 https://www.mba.ac.uk/
🔗 linktr.ee/MarineBiologicalAssociation
Roxanna Samii @rsamii.bsky.social Communication and social media strategist. Development worker. Traveller, foodie and blogger. Loves Africa, painting, doing Legos, walking. F1 fan
Johnny Oberg @johnoberg.bsky.social Animal advocate, speaker, & protector. Creating a kinder world for animals in the digital realm. 🌱💪🏼 johnoberg.org/links
Dona Bertarelli @donabertarelli.bsky.social 🌍 Philanthropist / Finding balance between people and nature for A Life More Thoughtful
🌱 Founder Dona Bertarelli Philanthropy | Sow my Dream | Sails of Change | Bertarelli Foundation
https://linktr.ee/donabertarelli
Dona Bertarelli Philanthropy @dbphilanthropy.bsky.social Impactful philanthropy to advance environmental conservation.
Advocacy, science, education, and awareness.🌍
By Dona Bertarelli
https://linktr.ee/donabertarelliphilanthropy
Melissa de Kock @melissadekock.bsky.social Deputy Director, UNEP-WCMC @unepwcmc.bsky.social
Jeremy Cherson @jcherson.bsky.social Associate Director of Government Affairs at Riverkeeper. Based in the Hudson Valley of the great State of New York. All things protecting the Hudson River and its tributaries. Visit us at https://bsky.app/profile/riverkeeper.org or on the web riverkeeper.o
Marine Conservation Society @mcsuk.bsky.social The UK's leading marine charity working towards a cleaner, better protected and healthier ocean for everyone. Follow us for the latest news and policy updates 🌊
Beneath British Waters @beneath-b-waters.bsky.social Mark Barrow is a seasoned filmmaker with an illustrious career spanning over three decades, dedicated to capturing the essence and significance of rivers through the lens of his camera. 
Jeffrey Marlow @jjmarlow.bsky.social Assistant Professor of Biology at Boston University ::: Science Journalist / Communicator ::: National Geographic Explorer
Craig Bennett @craigbennett3.bsky.social CEO of The Wildlife Trusts, UK.
Advisory Commissioner, 2030 Clean Power Commission. Senior Associate, CISL. Associate Fellow, Homerton College, Cambridge. Judge, The Wainwright Prize.
Formerly CEO Friends of the Earth
Paul Cox @paulcoxsharks.bsky.social Proud to be CEO of Shark Trust, UK-based non-profit with a self explanatory name. Science communicator by training. Love all things shark, science, nature and a sprinkle of culture.
Blue Planet Society @blueplanetsociety.bsky.social Global pressure group campaigning to protect the world’s ocean.
Registered CIC 14162403 🐟
https://linktr.ee/blue_planet_society 
Gabrielle Carmine, Ph.D. @gabbycarmine.bsky.social Postdoctoral Fellow at Georgetown, Earth Commons
PhD in Marine Science & Conservation @duke-mgel.bsky.social
Marine sustainability scientist working in Geospatial Ecology, High Seas Fisheries, Ocean Conservation & Governance
Dr Huw Lewis-Jones @huwlewisjones.bsky.social Author and Expedition Leader. Books: The Writer’s Map, Explorers Sketchbooks, Swallowed by a Whale, Bad Apple, Blue Badger, Clive Penguin, Are Wolves Afraid of the Dark? etc. Teach by day, write by night, icebergs in my holidays. 🐧📚❄️
Richard Walker @icelandrichard.bsky.social Exec Chair: Iceland Foods, Bywater Properties
Ambassador: Alzheimer’s Research UK, The Wildlife Trusts, Fauna & Flora International
Likes: 🧗🏔️🏄♂️🥾🏃🏼🌿
Carl Lewis @carl-lewis.bsky.social Head Coach
#HTownSpeedCity
@uhcougartf
cameo.com/CarlLewis
www.carllewis.com
Alastair Humphreys @alastairhumphreys.bsky.social Living adventurously, writing books.
www.alastairhumphreys.com
WATERSHED Investigations @watershed-i.bsky.social Award-winning independent not-for-profit investigative journalism in the public interest.
https://watershedinvestigations.com/
Watershed is:
@rachelsalvidge.bsky.social
@leanahosea.bsky.social
Posts by Chloe
Adam Vaughan @adamvaughan.bsky.social Environment Editor at The Times. Clean it Up water campaign. When not working, usually running. Previously New Scientist and Guardian.
adam.vaughan@thetimes.co.uk
Insta: https://www.instagram.com/adamvaughanjournalist
Signal: adamvaughan.53
Carmen Morales Caselles #PlasticsTreaty @carmenmc.bsky.social Marine ecotoxicology & coastal management towards protecting the marine environment 🌍🌊
Kari Herbert Author Artist Mindfulness @kariherbert.bsky.social Contemporary artist and creative mindfulness guide. Author of Explorers' Sketchbooks, We Are Artists, The Explorer's Daughter and more. Creating positive, radically restorative experiences for change-makers 💫
Dr Gemma Harper OBE @jncc-ceo.bsky.social CEO, JNCC - UK’s statutory advisor on nature | Award-winning Leader | ENDS Power List 2025 | Mentor of the Year 2025 | Non-Executive Director | Trustee | Keynote Speaker | On a mission for nature 💚
www.jncc.gov.uk
Charlie Gold @charliegold.bsky.social Biodiversity policy at the Natural History Museum London 🌅. Learning and sharing about how the world goes round (and makes us go round too). Born at 366 ppm. He/him.
🌍🌳🦋🦅🐋🦡
(Views my own)
Alistair Whitby @alistairwhitby.bsky.social River & wetland habitat restoration, chalk streams, & community engagement with the Ouse & Adur Rivers Trust. Into regenerative growing, rewilding, good books & generally being outdoors!
Liz Bonnin @lizbonnin.bsky.social Wildlife Biologist | Science & Natural History Broadcaster | National Geographic Explorer | President of The Wildlife Trusts.
Listen, learn & thrive in nature
Jonathan Kelsey @jonathankelsey.bsky.social Ocean advocate - 30x30. Based in the US. Views my own.
The Rivers Trust @theriverstrust.bsky.social We are river and catchment conservation experts; a UK & Ireland charity fighting for a cleaner, healthier and wilder rivers. We are together, for rivers. 👊
Henley Mermaids @henleymermaids.bsky.social A group of middle aged ladies swimming & campaigning for clean waterways
UN Environment Programme @unep.org Official account of the United Nations Environment Programme
https://www.unep.org/
Dave Cole @davecole.bsky.social Leading UN Environment Programme comms in Asia and the Pacific. Writer, photographer, traveler.
Natalie Berry @natalie-berry.com Edinburgh-based journalist, translator, climber. IWMF Ukraine Fellow. Words: NYTimes, The Guardian, WIRED UK, FT HTSI, Nat Geo, The Fence etc. https://www.natalie-berry.com/
Rachel Salvidge @rachelsalvidge.bsky.social Environmental journalist. Founder of investigative journalism non-profit https://watershedinvestigations.com/
Bylines: @guardian @thetimes @bbc @SkyNews @itv
Ex: @TheENDSReport @PenguinUKBooks @independent
Rachel.salvidge@watershedinvestigations.com
Andrew Grainger @andrewclimate.bsky.social Environmental activist, passionate for climate, ecology & social justice, London lover, narrowboater, wilding project in Devon countryside. Aim to live sustainably: vege, bike, trains, no flying, EV when essential, all electric & solar PV home & Narrowboat
John Simpson @johnsimpsonnews.bsky.social BBC lifer since 1966, international affairs editor since 1982. Presenter of ‘Unspun World’ on BBC Two, BBC World & World Service. Two daughters, one son, six grandchildren, a loving wife, lots of books, and an Irish terrier. Defender of the Oxford comma.
Jim Pickard @pickardje.bsky.social Deputy political editor, Financial Times. Also amateur iphone photographer and some-time musician.
Steve Rosenberg @bbcstever.bsky.social BBC Russia Editor, Moscow
Cold War Steve @coldwarsteve.bsky.social Artist
Coldwarsteve.com
Larry the Cat @number10cat.bsky.social Chief Mouser to the Cabinet Office. 17 year old tabby. Living with my seventh Prime Minister. Unofficial.
https://www.buymeacoffee.com/Number10cat
Paul Murphy @bbcpaulmurphy.bsky.social BBC Correspondent, based in Yorkshire & Lincolnshire in the UK. Environment, energy and climate interests.
Stories to firstname.lastname@bbc.co.uk
File uploads: https://yourls.paulmurphy.synology.me/paul
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
Dominic Dyer @dom70.bsky.social Wildlife protection & animal welfare campaigner writer, broadcaster & influencer. Chair Nature 2030
Tony Juniper @tonyjuniper.bsky.social Nature recovery. Writer. Chair Natural England. Fellow CISL. Chair Cool Earth. Council Member Fauna & Flora. Former Friends of the Earth, Wildlife Trusts, WWF, BirdLife International. www.tonyjuniper.com
Liam McAleese @redscrees1.bsky.social Director at the Esmee Fairbairn Foundation. Working on Nature Recovery, Climate Change, People and Place. Personal account - own views.
Jennifer (Trenholm) Ferguson-Mitchell @chanler.ch Former United Nation, World Economic Forum & WWF. Using communications to change the world 🌍 & having fun along the way. Focused on #SDGs to create a better world for people and the planet. Based in US & Switzerland, working globally.
www.Chanler.ch
Brendan May @brendanmay.bsky.social Entrepreneur, investor, board member & advisor on communications, sustainability & geopolitics to firms across the world. Pragmatist.
Found mainly in London & SE Asia.
Alyx Elliott @alyxcampaigns.bsky.social Senior campaigns consultant
Ethics alum
Mum to 4 👶🏼 + 1 🐶
Waterbaby 💦🤿🏊🏼♀️
Vegan 🥑🌱🌎
My views only
Tom Pritchard @tomepritchard.bsky.social PhD at Cambridge researching British walking-writing (medievalism, myth, belonging, protest) | Marketing & Creative Lead
📍 Ventnor, Isle of Wight / Cambridge
Doug Parr @dougparr.bsky.social @greenpeaceuk.bsky.social chief scientist, policy director
View are all my own, except those I've borrowed
Lauren St John @laurenstjohn.bsky.social Children's author & conservationist. @BornFreeFDN ambassador & @manechance patron. She/her. THE LION CUB’S SECRET out on 9 October 2025
National Oceanography Centre @noc.ac.uk By gaining a deeper knowledge of the ocean, we help every living thing on our planet flourish. 🌊
🖥️ https://noc.ac.uk/
🔗 https://linktr.ee/NOConline
🎙️ https://linktr.ee/nocintotheblue
Blue Marine Foundation @bluemarinef.bsky.social Working globally to protect and restore life in the ocean. 🌊
Take action for the ocean with us 👉 https://www.bluemarinefoundation.com/
Miguel Booth @miguelbooth.bsky.social Filmmaker and adventurer with a passion for mountains, polar regions and wildlife. Born at 330 ppm CO2🔥