Arizona Astrobiology Center @azastrobiology.bsky.social Astrobiology is an exciting interdisciplinary field about the origins, evolution and distribution of life in the universe. We are based at the University of Arizona in Tucson, AZ. 
Bharat Jayram Venkat @bharatvenkat.bsky.social I study climate change, health, and inequality
Associate Professor, UCLA
Institute for Society & Genetics / History /Anthropology
Director, UCLA Heat Lab
bharatvenkat.net
Wrote AT THE LIMITS OF CURE (Duke University Press)
Writing SWELTER (Crown, Picador)
PNAS Nexus @pnasnexus.org Discover groundbreaking news and research from PNAS Nexus, the sibling journal to @pnas.org - both official research journals of the U.S. National Academy of Sciences. Visit www.pnasnexus.org for more information.
J. Carlee Purdum @jcarleepurdum.bsky.social Asst. Professor of Sociology at University of Houston
Disasters / Punishment / Incarceration / Emergency Management
*views are my own
Ufuoma (oo-fwo-ma) @doctorufu.bsky.social Incoming Asst. Prof UArizona Geography | Environmental Justice & Carceral Geographies | Founder of Toxic Prisons Mapping Project toxicprisons.com | itsufuoma.com
Earth System Governance Project @esgproject.bsky.social Stimulating a vibrant, pluralistic, and relevant research community on global environmental change and governance.
https://www.earthsystemgovernance.org/
Judd Legum @juddlegum.bsky.social I write Popular Information, an independent newsletter dedicated to accountability journalism. | judd@popular.info | Signal: juddlegum.47
Popular.info
More Perfect Union @moreperfectunion.bsky.social Nonprofit newsroom. Media that builds power for working people.
Join us: https://linktr.ee/moreperfectunion 
V. Kelly Turner @vkturner.bsky.social Associate Professor of Urban Planning and Geography and Associate Director of Heat Research at Luskin Center for Innovation at the University of California Los Angeles. Single mom, runner, LGBTQ+
Atlantic Council's Climate Resilience Center @climateresilience.bsky.social Official account of the @atlanticcouncil.bsky.social Climate Resilience Center. Together, we are shaping a climate resilient world.
Brian Stone @brianstonejr.bsky.social Professor of urban planning, director of the Urban Climate Lab at Georgia Tech, and believer in radical climate adaptation: urbanclimate.gatech.edu
Nature @nature.com Research, news, and commentary from Nature, the international science journal. For daily science news, get Nature Briefing: https://go.nature.com/get-Nature-Briefing
National Academy of Sciences @nasonline.org As advisors to the nation, we recognize and advance outstanding science for the benefit of society. Journals: @pnas.org and @pnasnexus.org | President: Neil Shubin (@neilshubin.bsky.social)
Leah Greenberg ❌👑 @leahgreenberg.bsky.social Co-founder and Co-Executive Director of Indivisible
This account surrounds hate and forces it to surrender
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
Dan Nexon @dhnexon.net Professor in the Department of Government and the School of Foreign Service at Georgetown University.
Power Politics | Empires | International Order
dhnexon.net | https://www.lawyersgunsmoneyblog.com | duckofminerva.com
Raul Pacheco-Vega @raulpachecovega.bsky.social Full Professor @ FLACSO Mexico. I study comparative public policy, water governance, waste management, public administration, environmental politics, homelessness, eldercare and care work, mixed/experimental methods.
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://givebutter.com/climate-for-us-protected-by-you
WHO @who.int The World Health Organization (WHO) is the United Nations’ health agency, championing Health For All.
Always check the latest posts for updated advice/information.
We reserve the right to remove misinformation, spam, and hate speech under our posts.
World Meteorological Organization @wmo-global.bsky.social 
Gretchen Goldman, PhD @gretchentg.bsky.social President @ucs.org. Previously: USDOT, White House OSTP, @500womensci.bsky.social. Environmental engineer. Mom. Cyclist. Public Transit Enthusiast. Views my own. She/her.
C40 Cities @c40cities.bsky.social A global network of city mayors delivering urgent climate solutions. Protecting the people and places we love. 🌳🌍🌆💚
http://www.c40.org/
WRI Climate @wriclimate.bsky.social Advancing transformative climate solutions. Analysis, insights, and research from the Climate, Economics, Finance and Equity team at the World Resources Institute.
National Weather Service @nws.noaa.gov Official Bluesky account for NOAA's National Weather Service.
Stephen Colbert @stephencolbert.bsky.social Evie’s husband 
Climate Central @climatecentral.org Researching and reporting the science and impacts of climate change 🌎
Sam Bloch @samkbloch.bsky.social journalist, author of SHADE: THE PROMISE OF A FORGOTTEN NATURAL RESOURCE (2025), samuel.bloch@gmail.com
AVAILABLE NOW: https://bookshop.org/p/books/shade-the-promise-of-a-forgotten-natural-resource-samuel-bloch/22014863
Peter Howe @peterhowe.bsky.social Geographer researching human responses to climate & environmental change. Public opinion, GIS, spatial analysis. Professor. POW Science Alliance. Utahn.
Mary Hayden @keiki1.bsky.social Climate and health researcher, behavioral scientist, mom and grandma
Kyle Blount, Ph.D. (they/them) @hydro-kyleb.bsky.social Assistant Professor, University of Illinois Springfield
PI, WATER Lab
Ecohydrology, water resource management, urban heat and microclimates, remote sensing, STEM education, and JEDI
https://kyleblount.weebly.com/
https://www.uis.edu/directory/kyle-blount
@alekzanderr.bsky.social @alekzanderr.bsky.social 
ICLEI - Local Governments for Sustainability (ICLEI) @iclei.org ICLEI – Local Governments for Sustainability is a global network working with more than 2,500 local and regional governments committed to sustainable urban development.
Ayana Elizabeth Johnson @ayanaeliza.bsky.social Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Arizona Daily Star @tucson.com The Arizona Daily Star is Tucson's main source for local news. We cover the issues that Southern Arizonans care about most. News tip? Share it here http://tucne.ws/1r7q
📧 Newsletters | https://tucson.com/newsletters/
Siva @sivav.bsky.social Writer. Professor. Golden retriever papa. Bylines in Guardian, Slate, TNR, many other places. Publisher and EIC of @VQR. Wrote a pile of books you might like.
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
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!!
Ian James @ianjames.bsky.social Reporter focusing on water and climate change, Los Angeles Times. ian.james@latimes.com
Signal: ianjames.77
Becca Dzombak @rdzombak.bsky.social science journalist covering climate, environment, geology, science | work in New York Times, National Geographic, others | PhD in very old rocks
UofA Heat Resilience Initiative @heatresilience.bsky.social Advancing global heat resilience through research, education, and outreach. https://heat.arizona.edu
Sherrilyn Ifill @sifill.bsky.social Civil rights lawyer; democracy warrior, dedicated to racial justice & equality. Fmr President & Director-Counsel, NAACP Legal Defense & Educational Fund, Inc.
Maggie A Shaw @maggieashaw.bsky.social Passions: healthy rivers, climate justice, reproductive rights, & good movies
Professions: extreme heat, environmental education, marine policy
Parent: Felix 👶🏻
Place: Piscataway lands
Dan Milz @dcmilz.bsky.social Associate Professor of Urban & Regional Planning and Conflict Resolution at the University of Hawai’i at Mānoa. Interested in water planning and policy, judgment, data visualization and technology, and facilitation and dispute resolution.
Jonathan Ladd @jonathanmladd.com I'm a political scientist in the @mccourtschool.bsky.social. I study trust in institutions & media effects on the public. Apologies for typos.
Web page: https://www.jonathanmladd.com/
Ivan J. Ramirez @ivanclimateaffairs.bsky.social I am a geographer in Colorado. My scholarship focuses on the intersections of climate change, urban health, and community engagement. Visit: Civic Engagement and Climate Justice https://clas.ucdenver.edu/hbsc/thinklab
@aaflores.bsky.social @aaflores.bsky.social Assistant Professor in the School of Geographical Sciences and Urban Planning at Arizona State University | Human-Environmental Geographer | Dogs, Sports
https://aafloresgeo.github.io/aaronbflores/
Cory Booker @corybooker.com U.S. Senator from New Jersey. 
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
Chris Hayes @chrislhayes.bsky.social Bronx boy. Cubs fan. Dad, husband, writer, podcaster and cable news host.
The Sirens’ Call: How Attention Became the World’s Most Endangered Resource out now.
https://sirenscallbook.com/
City of Tucson, Arizona @cityoftucson.bsky.social Official page of the City of Tucson. www.tucsonaz.gov.
United Campus Workers of Arizona, CWA Local 7065 @ucwarizona.bsky.social We are the United Campus Workers of Arizona (UCWAZ), CWA Local 7065. We are your campus labor union made up of faculty, staff, and student workers at ASU, NAU, UA, and MCCCD.
https://linktr.ee/UCWArizona
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobama.com
Susan Brewer-Osorio @brewerosorio.bsky.social Political Scientist, Latin Americanist, UArizona Assistant Professor, Peace and Conflict Scholar researching reintegration and community peacebuilding in Colombia, Val's mom, rescue dog&cat mom, runner, feminist, crocheter, tanguera.
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
Becca Lewis @beccalew.bsky.social Assistant prof of comparative media studies @MIT. Cultural and political histories of Silicon Valley and the internet.
Joy-Ann Reid @joyannreid.bsky.social Host of The Joy Reid Show, best-selling author, writer, documentary filmmaker, and happy warrior blerd 'bout town. Subscribe at thejoyreidshow.com and joyannreid.com!
Come Rain or Shine Podcast @rainshinepod.bsky.social Sharing science to support resilient landscapes and communities. Podcast of the SW Climate Hub and the SW Climate Adaptation Science Center. Likes/follows/shares ≠endorsement rainorshine.buzzsprout.com
Proceedings of the National Academy of Sciences @pnas.org Explore groundbreaking news and research from PNAS, one of the world's most-cited scientific journals. Discover its sibling journal, @pnasnexus.org, both official research journals of the U.S. National Academy of Sciences. Visit www.pnas.org for more info.
The National Academies of Sciences, Engineering and Medicine @nationalacademies.org Providing expert advice on some of the most pressing challenges facing the nation and world. Non-partisan. Non-profit. https://nationalacademies.org
American Association for the Advancement of Science @aaas.org Advancing science, serving society.
One of the world’s largest general scientific societies and publisher of @science.org
@kimjpatten.bsky.social @kimjpatten.bsky.social 
Emile Elias @emileelias.bsky.social Hydrologist | Climate Resilience & Adaptation Expert | Former Director USDA Southwest Climate Hub. Interested in climate adaptation and solutions to water scarcity, wildfire, extreme heat and how these impact people.
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
Alex Harris @harrisalexc.bsky.social Lead climate reporter at the Miami Herald. Florida woman through and through
Scott Saleska @scott-saleska.bsky.social Ecology | Climate Change | Ecosystem Genomics
Prof EEB U of Arizona | proud father of college kid 
Ojas Sanghi @ojassanghi.bsky.social - CS & Energy @ UArizona
- ‘24 Udall, ‘25 Truman Scholar
- AI Intern @ MIT, Sandia Labs
- Councilmember Appointee @ Tucson Climate and Energy Commission
- Tucson Co-Lead @ AZ Youth Climate Coalition
- VP @ UArizona Divest
Alex Braithwaite @thebraith.bsky.social Political scientist, School of Government & Public Policy, University of Arizona. Research on concentration camps, refugees and forced migration, violent and nonviolent conflict. 
American Meteorological Society @ametsoc.org AMS is a professional organization that advances the atmospheric and related oceanic and hydrologic sciences in service to society.
https://www.ametsoc.org/
AAUP @aaup.org The American Association of University Professors champions academic freedom, advances shared governance, and organizes faculty to ensure higher education's contribution to the common good.
aaup.org
Meghan Stromberg @mestromberg.bsky.social Editor, gardener, mom. Planner wannabe.
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Peter D. Buck @peterdbuck.bsky.social Climate, sustainability, education, & democracy leader | Born at 332 ppm | Views my own
@ginagilson.bsky.social @ginagilson.bsky.social 
Emma M. French @emmamfrench.bsky.social Assistant Prof of Urban and Regional Planning at University of Hawaiʻi at Mānoa. Urban planning + climate justice. Views are my own. www.emmamfrench.com
Tim Marchman @timmarchman.bsky.social I’m an editor at WIRED and have previously written and edited for a number of places. Timothy_marchman@wired.com. Signal me at timmarchman.01. I periodically delete all my posts.
Tim Steller @timsteller.bsky.social Metro columnist, Arizona Daily Star, Tucson
Email: tsteller@tucson.com
Signal: timsteller.87
Tom Dang @dangwx.bsky.social Science and Operations Officer and Meteorologist with the National Weather Service in Tucson, AZ. NWS Spokane, Sacramento, Anchorage. #RCJH #ChiefsKingdom. Views are my own.
@anitac1.bsky.social @anitac1.bsky.social 
Brooke Harrington @ebharrington.bsky.social Professor of Sociology, Dartmouth;views my own. Author, 'Capital w/out Borders' https://shorturl.at/bGsLB and 'Offshore' https://shorturl.at/rTacl; words
@washingtonpost.com, @nytimes.com, the Atlantic & the Guardian.
All at brookeharrington.com
Arizona Health Professionals for Climate Action @azhpca.bsky.social We believe that by working together, we can create a healthier, more sustainable future for all!
Visit https://www.azhpca.org for newsletters, educational material, events, and more!
Brian Drummond, MD @bsdrum.bsky.social Navy Veteran, Emergency Physician, Co-Founder of Arizona Health Professionals for Climate Action, dad, into all aspects of sustainability, climate, green finance, rainwater harvesting, regenerative agriculture and climate health
Kevin Elliott @kjephd.bsky.social Political theorist studying democracy, ethics, & institutions. Author of Democracy for Busy People (https://press.uchicago.edu/ucp/books/book/chicago/D/bo194847654.html); more at kevinjelliott.net. Generally poasting my way through this thing
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
Science Magazine @science.org Cutting-edge research, news, commentary, and visuals from the Science family of journals. https://www.science.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
Springer Nature @springernature.com Leading research publisher empowering researchers, educators, and health professionals with our trusted brands for 180+ years. #BePartOfProgress
https://group.springernature.com/gp/group
Site notice http://bit.ly/2oAyLi1
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
Homer Thiel @homerthiel.bsky.social Archaeologist, genealogist, and historian.
Blog: https://homersworld.blogspot.com/
Sewnora @sewnora.bsky.social {Sonoran desert - Tucson, AZ}
Adrian Aguilar @aadriian.bsky.social | Tucson ↔️ Agua Prieta 🇲🇽 |
| UA College of Pharmacy '26 💊 |
| coffee snob and addict | ☕️
| dad | concerts | vinyl records | books |
United Nations Office for Disaster Risk Reduction (UNDRR) @undrr.bsky.social UNDRR has a big ambition: to help decision makers across the globe better understand and act on risk. We envision a world where disasters no longer threaten the the well-being of people and the future of the planet. | www.undrr.org
Arizona Environment @uazenvironment.bsky.social Supporting the vast network of interdisciplinary environmental and sustainability work @UArizona. Powered by the Arizona Institute for Resilience 🦎🌵🌞🌎
@catchygoose.bsky.social @catchygoose.bsky.social geriatric grad student | brooklyn
@thymewithsummer.bsky.social @thymewithsummer.bsky.social 
@cam-el-outsider.bsky.social @cam-el-outsider.bsky.social Just a nature lover, hoping for the truth
rbrtwhite @rbrtwhite.ca 🏳️🌈 he/him. Say hi! Be kind. Opinions are my own.
🗺️ maps.nicholsonroad.com
🖼️ etsy.com/ca/shop/BlackOakMemories
Dr. Elise Gornish @restorecal.bsky.social Research + outreach in restoration and weed management in dry places. Director of the Desert Lab at Tumamoc Hill.
oranjenny @oranjenny.bsky.social Rockin out in the Sonoran Desert 🌵on O’odham land