Mark Ruffalo @markruffalo.bsky.social A husband, father, actor, director, & a climate justice advocate with an eye out for a better, brighter, cleaner, & more hopeful future for all of us.
Bike Talk @biketalk.bsky.social A weekly radio podcast dedicated to the idea that for public and planetary health we should prioritize bikes as transportation. https://biketalk.org/
Bike Ottawa @bikeottawa.bsky.social Supporting access for people who want to ride bikes and have safe streets
Cycle Waterloo Region @cyclewr.ca We advocate for cycling in Waterloo Region to be a safe, respected, and convenient mode of transportation for people of all ages & abilities.
Sign up for Rides with Candidates: cyclewr.ca/2026-municipal-election-rides-with-candidates-volunteers
Toronto Tenant Union @tenantsunionto.bsky.social Building tenant power across Toronto. Organizing neighbours to fight rent hikes, win housing justice, and protect our homes. Stronger together. Join us.
Become a member: https://www.tenantunion.ca/membership
Links: https://www.tenantunion.ca/links
Toronto Climate Action Network @wearetcan.bsky.social We’re a network of over 70 Climate Action organizations building a movement together in & around Toronto.
The Biking Lawyer LLP @thebikinglawyer.bsky.social Lawyers for injured cyclists. Advocates for change: www.thebikinglawyer.ca
Cycling Law & Police Violence Specialists. Free legal advice 800-725-0754/info@thebikinglawyer.ca
Conservation Law Foundation @theclf.bsky.social At Conservation Law Foundation, we believe that together, we can ensure a healthy, sustainable, thriving New England for all! 
Alex Randall @alex-randall.bsky.social Climate change will reshape migration. My job is thinking about what that means. Dysgu Cymraeg 🏴 Fy rhagenwau i yw O / Fo
Transition Security Project @transitionsec.bsky.social Investigating the US and UK military industrial complexes as economic, climate and geopolitical threats. By @cmmonwealth.bsky.social and @cplusc.bsky.social.
Caroline Lucas @carolinelucas.bsky.social 🌎 Former MP for Brighton Pavilion, former Leader @greenparty.org.uk Professor of Practice, University of Sussex. Author of 'Another England: How to Reclaim our National Story'. Writing & campaigning on climate & nature 🌎 linktr.ee/carolinelucasbrighton
Sherry w/ a whY @justiceforall.bsky.social Veganism is a moral obligation & a climate imperative, please act ⚖️ Ⓥ 💚
#Abolitionist #Degrowth #Overshoot #ChildFree #Rewild #UBI #EndBillionaires #Pigoneer 𓃟 🇨🇦
( @S_Catsgotmyback 🐈⬛TwitterX/inactive)
Kate Bradbury @katebradbury.bsky.social Garden/Nature writer/presenter 🏳️🌈 @Froglifers and @BumblebeeTrust patron. @savebutterflies and @the_RHS
ambassador. Agent @DFMTalent. Born at 342.54ppm
Bob Mayo @bobmayo.com Building Electrification Advocate. Climate-tech curious. Engineering and research at the intersection of hardware and software. Enjoyer of well-designed interfaces between subsystems.
Inside Climate News @insideclimatenews.org Pulitzer Prize-winning, nonprofit, non-partisan newsroom dedicated to covering climate, energy and the environment. Our newsletters: http://bit.ly/3mcVORO
Catherine Boudreau @ceboudreau.bsky.social Reporter @latitudemedia.bsky.social covering the energy transition.
Reach me on Signal: cboudreau.37
Latitude Media @latitudemedia.bsky.social Covering the new frontiers of the energy transition | B2B news, podcasts, research, and events | @catalyst-pod.bsky.social, @open-circuit.bsky.social | latitudemedia.com
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
Twin Cities DSA 🌹 @twincitiesdsa.org Multi-Racial Working-Class Power Building | The Twin Cities chapter of Democratic Socialists of America | More at http://tcdsa.org
Portland DSA @portlanddsa.bsky.social Democratic Socialists of America of Portland, OR. We organize for power for the working class to build a socialist future. linktr.ee/portlanddsa
NYC-DSA 🌹 @socialists.nyc New York City Democratic Socialists of America (DSA). We believe a better world is possible and we’re building it right here in New York City. Join us: http://socialists.nyc/join
Lizzie O'Leary @lizzieohreally.bsky.social Shareholder value = 3 eggs
https://slate.com/podcasts/what-next-tbd
Lizzie.oleary@slate.com
Signal: Lizzieohreally.31
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
Sea Shepherd @seashepherdglobal.bsky.social Sea Shepherd Global is an international marine conservation organization that uses direct action to defend, conserve and protect our ocean. https://seashe.ph/links
@elizabethginexi.bsky.social @elizabethginexi.bsky.social Former NIH Program Official for 22 years. Now fighting to defend science.
RAYGUN @raygunsite.com Clothing. Home Goods. Time Travel Supplies.
Iowa (x6), Nebraska (x2), Chicago, KC, Madison.
Boba Cyclist 정 @bobacyclist.bsky.social Cairn terrier enthusiast. #BikeNYC. 🇰🇷. 
Peter Flax @pflax1.bsky.social Into riding, writing and complex carbohydrates.
Every opinion stated here is mine—and mine alone. 
Jeremy Lent @jeremylent.bsky.social 
The Breakdown AB @thebreakdownab.bsky.social Local AB Web Series on AB Politics. Alleged Media Magnate. Locally crowd funded. content available everywhere you listen to podcasts & YouTube!
Tips to info@thebreakdownab.ca!
Support at https://patreon.com/thebreakdownab
George Conway ⚖️🇺🇸 @gtconway.bsky.social Recovering lawyer | Owned by a Pembroke Corgi | Host of Psycho Politics pod and contributor, @TheBulwark.com | Crappy pol | Trying to figure out Substack
substack.com/@gtconway
Scott Winton @rswamper.bsky.social Swamp lover, birder, dad, Assistant professor in environmental studies at UC Santa Cruz
Nate Swick @n8swick.bsky.social Birds, beers, basketball, soccer. Into birding before it was cool. Digital Comms, ABA. American Birding Podcast host. Author of bird books. Posts mine. he/him/royal “we”
American Birding Association @aba.org American Birding Association (ABA) provides a community, forum, and resources for every birder, bird watcher, and bird enthusiast. Tag this account for lifer posts and we will help celebrate!
Urban Truth Collective @urbantruth.bsky.social A new communications-focussed collaboration launched to champion the truth and fight disinformation about how to make better cities for people. Formed by @brenttoderian.bsky.social @tomflood.bsky.social @grantennis.bsky.social.
www.UrbanTruthCollective.com
Scott Robertson @sarobertson.bsky.social International Digital Editor @meidastouch.com
Jim Whittington🔥 @jimwhittington.bsky.social Retired BLM/NPS/USFS - Courtesy faculty with Oregon State's College of Earth, Ocean, and Atmospheric Sciences. Interested in wildland fire, incident management, climate change, history, public health, & crisis comms. Texas expat. Birthday: 318.51
Matt Novak @paleofuture.bsky.social Reporter at @Gizmodo.com.
I’ve been writing about the history of futurism at @Paleofuture.com since 2007.
Email: mnovak@gizmodo.com
Signal: mattnovak.11
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
GardenWild Guy @gardenwild.bsky.social Im Kaleb, founder of GardenWild Services - an ecological consulting & landscaping business specializing in Native Habitat Installations & Land Stewardship in the RVA Metro of Virginia, and the "GardenWild 💚 Community Nursery" ~ www.ko-fi.com/GardenWildGuy
Richard Horton @richardhorton1.bsky.social Tacking towards the truth, but sometimes hitting sand on a falling tide.
USA National Phenology Network @usa-npn.bsky.social Our goal is to empower people to understand nature’s rhythms so that we can all adapt to a changing world.
Markham Hislop @markhamhislop.bsky.social Professional: energy transition journalist, expert. Publisher at Energi Media.
Personal: husband, father, grandfather. Dog daddy. Hockey and baseball fan. E-bike rider. Western Canadian (who loves the rest of the country, too).
CPAWS · SNAP Canada @cpaws-snap.bsky.social Canadian Parks and Wilderness Society · Société pour la nature et les parcs du Canada 🍂🐾🐳🌲🐬
#KeepCanadaWild
#ProtégeonsLaNature
Bird Friendly Sarnia @birdfriendlysarnia.bsky.social Bird Friendly Sarnia is a volunteer-driven initiative dedicated to protecting and restoring bird populations and habitats in Sarnia, Ontario.
Green Communities Canada @greencommunities.bsky.social Since 1995, we have been working with community-based non-profit organizations across Canada to build a national network that shares resources, co-creates innovative programming, and elevates our collective impact: https://greencommunitiescanada.org
NRDC @nrdc.org Natural Resources Defense Council | The Earth's Best Defense
Plastic Pollution Coalition @plasticpollutes.bsky.social We are a non-profit communications & advocacy organization that collaborates with an expansive global alliance of organizations, businesses, & individuals to create a more just, equitable, regenerative world free of plastic pollution & its toxic impacts.
Peterborough Field Naturalists @ptbonature.bsky.social To Know, Appreciate, and Conserve Nature in All its Forms
The Peterborough Field Naturalists (PFN) is a registered charity and active club in Peterborough, Ontario, Canada. The PFN has a history dating back to 1940.
Hamilton Naturalists' Club @hamiltonnature.org Protecting nature since 1919! HNC is a non-profit dedicated to the study, appreciation, and conservation of nature in #HamOnt
https://linktr.ee/HamiltonNaturalistsClub
https://hamiltonnature.org
Ecojustice @ecojusticecanada.bsky.social We use the law to protect life on Earth.
Ecojustice is Canada’s largest environmental law charity. From coast to coast to coast, we have a proven history of winning key cases and securing environmental protections.
Nature Canada @naturecanada.bsky.social We're one of Canada's oldest charities, celebrating 85 years.
Join us to Discover, Defend, and Restore Nature!
https://linktr.ee/naturecanada
Toronto Field Naturalists @torontonature.bsky.social TFN connects people with nature in the Toronto area. We help people understand, enjoy, protect & restore Toronto’s green spaces & the species that inhabit them.
https://torontofieldnaturalists.org/
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
Whitby Naturalists @whitbynats.bsky.social Interests in natural history, geology, local history and archaeology. Active in conservation, recording, education. Lectures, field trips & visits, workshops, surveys.
Environmental Defense Fund @envdefensefund.bsky.social Using bold solutions to build a cleaner, healthier world. We're finding the ways that work.
EnviroCentre @envirocentre.bsky.social Practical climate solutions, shaped by people and place.
The Goose 🇨🇦 @the-goose-media.bsky.social Gotta honk at the darkness ‘til it bleeds daylight 🇨🇦
Run by @aaronhm.bsky.social
Join the flock! 🪿 https://thegoosemedia.ca
Ecology Ottawa @ecologyottawa.bsky.social Working to make Ottawa the green capital of Canada 🌿 Nous nous efforçons de faire d’Ottawa la capitale verte du Canada.
www.ecologyottawa.ca | info@ecologyottawa.ca
Safe Wings Ottawa @safewingsottawa.bsky.social Reducing bird mortality from window collisions in Ottawa-Gatineau. WE DO NOT REGULARLY RESPOND TO EMERGENCIES AND RESCUES ON BLUESKY CONTACT US AT: 613-216-8999
https://linktr.ee/safewingsottawa
CAFES Ottawa @cafesottawa.bsky.social Community Action for Environmental Sustainability (CAFES) is a network of community associations, other organizations and citizens working to promote environmental sustainability in our city. https://linktr.ee/cafesottawa
BurlingtonGreen @burlingtongreen.bsky.social We are a registered Environmental Charity based in #BurlOn
Together with the community, we work to protect nature, mitigate climate change & create a healthier, cleaner, greener Burlington 🌎
linktr.ee/burlingtongreen
Great Lakes Now @greatlakesnow.bsky.social Catch our monthly show — produced by Detroit PBS — on our network of stations in the Midwest. Get the latest news and program updates in our weekly newsletter: greatlakesnow.org/great-lakes-now-newsletter/
Ontario Land Trust Alliance @onlandtrust.bsky.social Building and empowering a vibrant and enduring land trust community across #Ontario.
MiningWatch Canada @miningwatch.bsky.social Changing public policy and mining practices to ensure the health of people, communities, and ecosystems.
Jody Allair @jodyallair.bsky.social Birder & naturalist who enjoys sharing his enthusiasm for nature. Director of Communications at Birds Canada, Producer of The Warblers Podcast, Guide with Eagle-eye Tours (he/him)
Saskatchewan Environmental Society @skenvsociety.bsky.social Non-profit, registered charity working towards a world in which all needs are met in sustainable ways since 1970. #SupportSES
The Maple @readthemaple.com Canadian news & opinion that confronts the status quo. 100% reader-funded & independent.
Edited by @alex.readthemaple.com & @davide.readthemaple.com
Website: https://www.readthemaple.com/
Email list: http://www.readthemaple.com/signup-bluesky/
Ontario Nature @ontarionature.bsky.social We are there when nature needs us the most.
Ontario Nature has been protecting wild species and wild spaces through conservation, education and public engagement since 1931.
🌐: https://ontarionature.org/
THE FAR SIDE DAILY @bot.cowtools.org The Far Side, near at hand
Account by @cowtools.org
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
EnergySage @energysage.com The simplest, most trusted way to shop & save on clean home energy solutions nationwide: solar panels, batteries, heat pumps, EV chargers, & more ⚡🏡
Find us on Threads, Instagram, LinkedIn, Facebook, and YouTube.
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
Alastair Campbell @alastaircampbell2.bsky.social Writer, strategist, co-presenter the U.K. No1 podcast The Rest Is Politics … love Britain hate Brexit, loved Twitter loathe Musk n Trump 
Katty Kay @kattybkay.bsky.social BBC US Special Correspondent | MSNBC Contributor | Host, The Rest is Politics US | NYT Bestselling Author
Anthony Scaramucci @scaramucci.bsky.social https://youtube.com/@restpoliticsus?si=jWe9uSTQSAWtk5dE
Rory Stewart @rory-stewart.bsky.social Author The Middleland linktr.ee/middleland, PlacesinBetween, Jackson/Yale. PoliticsOnTheEdge. @Restispolitics podcast w Alastair Campbell.
Parody
The Rest Is Politics @therestpolitics.bsky.social A view on politics at home & abroad, while bringing back the lost art of disagreeing agreeably with Rory Stewart & Alastair Campbell. Powered by Fuse Energy⚡
https://linktr.ee/RestIsPolitics
Out of Eden Walk @outofedenwalk.social Out of Eden Walk is a 42,000 kilometer walk across the world in the footsteps of our ancestors. Led by Nat Geo Explorer and two-time Pulitzer Prize-winning journalist Paul Salopek. Follow along with Paul's dispatches from the trail at www.outofedenwalk.org
Paul Salopek @paulsalopek.social 
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
Jennifer Francis PhD @jfrancisclimate.bsky.social Senior Scientist @Woodwell Climate Research Center in Falmouth MA USA. Researching connections between the climate crisis and extreme weather, avid science communicator.
JenniferAFrancis.com
Personal: Sailor, mom, scuba diver...BE NICE
Emily Atkin @emorwee.bsky.social I run HEATED, a weekly newsletter and podcast devoted to climate accountability reporting and opinion. Philly-based. She/her.
Signal: @emorwee.06
James O’Brien @mrjamesob.bsky.social Broadcaster @lbc.co.uk
Author: https://www.waterstones.com/book/how-they-broke-britain/james-obrien/9780753560365
Paul Martin (Spitfire Research) @spitfireresearch.bsky.social Chemical engineer, scale-up specialist, antidote to marketing #hopium . Advocate for a decarbonized future. www.spitfireresearch.com for more details
Dr. Jeff Masters @drjeffmasters.bsky.social Extreme weather and climate change expert writing for Yale Climate Connections. Co-founder, Weather Underground; former hurricane hunter.
Noam Vogt-Vincent @nvogtvincent.co.uk Associate Professor - Department of Earth Sciences, University of Oxford.
I'm interested in marine dispersal and the oceanic forcing of coral reef systems, past, present, and future.
nvogtvincent.co.uk
Matt Luongo @luongomatt.bsky.social Climate Scientist & Oceanographer ☀️🌬️🌊
CICOES Postdoc at UW | Scripps Ocean PhD
Seattle, WA
Clare E. Singer @claresinger.bsky.social Researching clouds & climate @ CU Boulder 🌧🌎 • ex-NOAA GFDL • NOAA C&GC Fellow '24 at LDEO • Caltech ESE PhD '23 • UChicago Physics BA '18 • she/her • All views expressed are my own and do not necessarily reflect those of my employer.
Peter Leyden @peteleyden.bsky.social Creator of The Great Progression: 2025 to 2050. Tech expert & thought leader on AI, new technologies & the future as a frequent keynote speaker, influential author & writer. Founder of Reinvent Futures for foresight advising. For more see peterleyden.com
Institute of Art and Ideas @iai.tv Changing how the world thinks. Home to the big ideas and leading thinkers of our time. Subscribe here: https://iai.tv/subscribe
Host of HowTheLightGetsIn Festival 💡
Eric Klein @sircoolio.bsky.social Visiting multiple stubs to explore my future. main squeeze @anneck. chief instigator @kleinvp, @lemnoslabs. make, break, rave, repeat.
Lauren Goode @laurengoode.bsky.social WIRED Senior Correspondent covering Silicon Valley and its impact beyond. Send tips to Signal handle ChaoticGoode.12. (No PR pitches please) 
nilay patel @reckless.bsky.social Editor-in-chief of The Verge, host of Decoder, cohost of The Vergecast. I am in love with spectacle.
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
The Japan Times @japantimes.co.jp News, features and commentary from the oldest (est. 1897) and most widely read English-language media outlet in Japan.
JT staff on Bluesky: https://jtim.es/bskysp
Our newsletters: https://jtime.es/newsletters
Elsewhere: jtim.es/m/social
Loyd Case @loydcase.bsky.social Former technology editor and analyst. Now trying to live my best life.
South Centre @southcentre.bsky.social Intergovernmental think tank of the Global South
https://www.southcentre.int/