Climate, energy, emerging tech, resilience, & policy professor. Carnegie Mellon Univ. Institute for Energy Innovation Director. Former Biden-Harris White House OSTP Chief Advisor for the Clean Energy Transition. Personal account. He/Him. costasamaras.com
climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
DC. political philosopher at Georgetown, editor at @hammerandhope.bsky.social, rhythm guitarist + vox for @femiandfoundation.bsky.social. #COYS
Climate scientist; ocean carbon cycle and climate solutions. Professor, University of Hawaiʻi at Mānoa; Visiting Faculty, Arizona State University. https://linktr.ee/david_ho
I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Climate journalist based in NYC. Only speaking for myself. If the NYT has no haters I'm dead.
Tips? Reach me on Signal kendrawrites.04
I’m the founding executive editor of Heatmap News, a contributing Opinion writer for The New York Times, and the cohost of the Shift Key podcast.
📍NYC
Investigative climate reporter. Ida Tarbell stan. Run Drilled.media, contrib lots of places. Writing a book on corporate disinfo for Bloomsbury. She/her/ella in 🇨🇷. Pod: https://push.fm/fl/drilled. YT:@DrilledMedia. Signal: adubs.78.
Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com
"A tireless chronicler and commentator on all things climate" -NYTimes.
Climate research lead @stripe, writer @CarbonBrief, scientist @BerkeleyEarth, IPCC AR7 lead author / NCA5 author.
Substack: https://theclimatebrink.substack.com/
Twitter: @hausfath
Press Gazette energy & environment journalist of the year 2022
Highly commended:
Society of Editors 2025
Shortlisted:
Press Awards 2025
Press Gazette 2025
AOP 2025
Deputy Ed + Snr Policy Ed, Carbon Brief
simon.evans@carbonbrief.org
Macro-energy systems engineering, optimization & policy. Associate professor at Princeton University. Leads the ZERO Lab. Co-hosts SHIFT KEY podcast. Time100 Next & TIME100 Climate honoree. More at linkedin.com/in/jessedjenkins & zero.lab.princeton.edu
- Senior climate reporter, Bloomberg News
- Newsletter http://bit.ly/bbg-zero
- Podcast http://bloomberg.com/zero-podcast
- Book https://akshatrathi.com/book
- akshat.rathi@pm.me
Director, Agriculture Initiatives, World Resources Institute. Working with colleagues around the world to create a sustainable food future. DC-based. Own views.
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com
Climate and energy editor, Reno bureau chief, MIT Technology Review. Ski bum. Dog dad.
Please send tips (not PR pitches) through Signal: jtemple.50
Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Prof of Atmospheric Sciences & climate scientist @ Texas A&M; AGU and AAAS Fellow; Native Texan; find out what I think at https://www.theclimatebrink.com/
Climate scientist, geologist, and catastrophe modeler, Liberty Mutual. Posts on all things hurricane, wildfire, flood, earthquake, tornado. Sassy takes are mine not employer's.
📍Oakland, CA
Website: hereidk.strikingly.com
Assist prof, env studies; Fellow, Climate Jobs Institute and @cplusc.bsky.social; Board, Greenpeace Fund; just transition; labor/climate. 🍉 #COYS 🇰🇷🇺🇸
📚: https://mitpress.mit.edu/9780262550796/a-just-transition-for-all/
https://mijincha.com
I'm a writer and a walker in LA. Tracking the city's megaevent progress at Torched. Co-host LA Podcast, new episodes drop every Monday. LAUSD mom. @awalkerinla everywhere else. Sign up for my newsletter at torched.la 🔥
COP is stored in the ovaries
pompe à chaleur. recovering local digital news reporter. rural volunteer firefighter. Gideon the Sixth. your favorite deep state climate bureaucrat’s favorite shitposter
she/her/bro 🔌⚡️
If a box on a curb with "Free Meyer Lemons" written on it were a guy
(personal account, obviously)
Working on disaster justice & the climate crisis. Emergency Management PhD. Author of 📚DISASTEROLOGY 📚 she/her
Professor at the University of Texas-Austin. Former Senior Climate Advisor DOD. Climate security, climate governance, clean energy, global health, US foreign policy. Author of States and Nature: The Effects of Climate Change on Security (Cambridge, 2022).
Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Transport / Housing / Land Use / Politics / @urbaninstitute.bsky.social / Le progrès ne vaut que s’il est partagé par tous / yonahfreemark.com / thetransportpolitic.com
Canada Research Chair in Energy Transitions
University of Waterloo.
https://morenocruz.org
Engineering prof (mechanical + electrical) at a big Midwest state school. Energy, climate, buildings, power grid, control, optimization, data science. He/him. Personal account. https://kevinjkircher.com/ Email: my last name at purdue dot edu
Climate economist, Columbia
https://gwagner.com
It’s pronounced juggernaut without the jug.
Seafloor mapper, Chief Scientist of smart mapping company Esri, Oregon State U. GIS/oceans professor, EC50, cyclist, 1st Black submersible diver to Challenger Deep, builds w/LEGO, raised in Hawaii. NAS, NAE, ORCID 0000-0002-2997-7611; She/her; views mine
Mostly mentoring a group of postdocs at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://sustainablesolutions.stanford.edu/people/ken-caldeira
Posts imperfectly represent the views of my former self and not my employer.
civil engineer / environmental sociologist. energy, water, climate, buildings, justice. fossil phaseout / universal programs. she / her. bunnies.
Currently on partial medical leave and Associate professor, Dept of Earth, Energy, and Environment, University of Calgary; co-director http://NZERI.ca; energy/carbon/innovation policy + bikes.
Author of the Nexus trilogy. Climate tech investor, author, and activist. Optimistic about the future.
Director, Center for Environment Community, & Equity and Professor, AU | NonRes Sr Fellow, Brookings | IPCCWG3 AR6 | www.danarfisher.com | TED Talk on being an Apocalyptic Optimist : go.ted.com/danarfisher
Posting about electricity and how we can care for one other. Building @publicgrids.org. SF. they.
Latest: “Why public power campaigns win"
https://www.isaacsevier.com/notes/public-power-san-francisco-new-york-shrestha-mamdani-organize/
speculative fiction (Teixcalaan series, ROSE/HOUSE), climate & energy policy (New Mexico, all statements my own), Byzantinist (nonpracticing but never not true).
unfortunately, I care about power lines now
she/her. halfway between Santa Fe and NYC.
Forensic climate economist and lawyer • The carbon accounting canary in your climate policy coal mine • https://ghgpolicy.org
Weather-Climate professor and scientist, Host of Weather Geeks, Forbes Senior Contributor, Alpha, 3xFSU Alum...Tweets and RTs are mine but not endorsements
Canadian postdoc in Japan.
Energy, sustainability, unrelated ramblings.
Climate & extreme weather reporter |
E&E News by POLITICO | NYC via NC SC AL WV
TIPS: charvey@eenews.net | chelseaeharvey@protonmail.com |
Signal @chelseaeharvey.01
professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Mommy
Community Organizer - Climate, Abolition, Housing, Unions in Southern Ontario.
Very sweary.
Plants!
Offline until locked accounts and/or “remove follower” are user options.
NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
China, climate, stats, and cities. Johns Hopkins SAIS, Good Authority. No Kings.
Professor, CUNY Law | award-winning scholar, author, speaker
scuba diver | environmental justice, climate justice, human rights, NYC history, urban policy, comic books | mom | optimist (mostly) www.RebeccaBratspies.com
Associate Professor
Tufts University Department of Economics
https://www.stevecicala.com
http://goingelectric.substack.com
Solar analyst at BloombergNEF, goose keeper. Author of a book, "Solar Power Finance Without the Jargon". Opinions all my own.
Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Platts senior energy finance reporter in the DC area covering power and renewables. Opinions mine.
🐈: Tipitina
Tips? Message me on Signal at allison.823
https://www.spglobal.com/marketintelligence
Moral & political philosophy, climate econ, bioethics
Author of *The Social Cost of Carbon* (OUP 2025) | Posting in personal capacity
Likes: Boston Celtics ☘️, Maine (from whence I come), bouldering, ebikes, funding public ed.
paulkelleher.net
Same interdisciplinary scientist as on the other sites with the same handle. Chemistry, math, physics, meteorology, GIS, data whisperer.
Natural resources director, League of Women Voters of Los Angeles Co. She/Her
https://badmomgoodmom.blogspot.com/
Energy Resources, Development and Environment Lab (ERDELab) PI, @UBCforestry Assc Dean EDI. Energy, equity, justice, climate change, bioenergy. But also TTRPGs and photography (https://pixelfed.social/i/web/profile/499807930552574625). he/him.
🛰️Methane, agriculture, science policy @ UNEP's IMEO
📖Author of The Globalization of Wheat: A Critical History of the Green Revolution 🌾
📍DC
Focused on applying state-of-the-art data systems, models, and analysis to inform decision making on energy. Professor at NC State University; served as the 10th Administrator of the U.S. Energy Information Administration. Personal account.
Associate professor of economics at the University of Calgary. Former energy trader.
blakeshaffer.ca
Integrating social & natural sciences & modeling to study climate change & society | Behavioral approaches to climate policy | Nashville TN | They/them 🏳️🌈 🏳️⚧️ genderqueer | Jew | Friends call me Maggie | My words aren't my employer's | jonathangilligan.org
climate, adaptation, decision analysis, flood risk, insurance, resilience, BCAs. planning & policy jack of all trades at the Water Institute. (personal account)
also sports, birds, हिंदी, cities, etc.
chicago via new orleans via chicago
Strategy & Market Development @ Form Energy | Stanford PhD | MIT Energy Initiative | Macro-energy systems founder
Total nerd about: big batteries, grid decarbonization, electricity markets, bikes, mountains, plants, ceramics
Views mine
climate policy, writer, social scientist, geographer
Microbiome scientist by training; policy wonk by calling.
Professional methanogen hater.
I 分かる some 日本語.
Opinions my own. She/her. 🇺🇸. ☸️ (Jōdo Shinshū).
Pro-housing decarb strategist. Midwest kid in D.C.⚡️
Also skeets on democracy, bikes, trail running, and Lake Superior shipwrecks. Personal Account.
Senior Director of Communications, @energyinnovation.org. Board Advisor, @theicct.org + @co2bc.bsky.social. Tired dad.
Rage, rage against the dying of the light.
Researching energy systems and climate policy. Postdoc at Princeton ZERO Lab. Research Affiliate at MIT CEEPR. Consulting for Good Judgment. 0th-gen immigrant. Writings: dimanchev.com.
🇵🇷 Assistant Professor of Landscape Architecture + Environmental Planning at UC-Berkeley | Just + Equitable Environments | Disaster (and Disastrous) Research | Occasionally gardening + a dog
General Counsel & Director of Research at The Future of Heat Initiative. Previously a senior advisor at New York's Department of Public Service. NYC denizen.
That electrified lamp in the picture used to burn gas.
Climate policy wonk. Rogue biogeochemist. Assoc. Prof., Fmr. Congressional staff (AAAS_STPF). Obama EPA & Biden OMB alum.
energy historian | postdoc at Notre Dame, PhD at Oxford | infrastructure, decarbonization, and landscapes | Angeleno | always on the lookout for a good fun fact
views my own, at best
communications/climate/environment; views my own
engineering professor @ University of Colorado
power systems optimization AND power lifting
"energy as a personality" -my wife
<3 cats, playing guitar/bass/drums, rock/metal, fitness, video games, taking stuff apart. Views =my own and not my employer's
US Center Director and Senior Scientist, Stockholm Environment Institute | Former Adaptation at STAP/GEF | CLA IPBES Transformative Change Assessment | LA IPCC AR6 WGII | Masters T&F All-American | Hopelessly realistic optimist
www.edwardrcarr.com
Climate, economic justice & human rights research, advocacy & policy visioning. Senior Fellow w/ @cplusc.bsky.social studying US disaster insurance & global policy. Board co-Chair of @lawgaction.bsky.social. Amo a 🇨🇴. Living on Ohlone land. she/ella/ela.
Professor at Carnegie Mellon University. Energy Affordability. Energy & Climate Justice. Macro Energy Systems Modeling. CEO - Peoples Energy Analytics. Named a 2024 Science Defender. Nonfiction rep: @laurieabkemeier. Fiction rep: @ajvanbelle
Professor studying cities, infrastructure, climate, energy, long bike rides, the Boston Celtics, & the drop serve. Personal account representing only me. Likes, reposts ≠ endorsements.
Renewable energy and climate politics and policy. Assistant Professor at Tulane University. Joining Case Western Reserve University in July 2026. Author of Owning The Green Grid (MIT Press). More at joshuabasseches.com
Assistant Prof @ Penn State; into water, soils, infrastructure, nature-based solutions, sustainability, biking, looking at the bright side. mom of 2 energetic humans. Alum of Cornell/ USGS/ ASU. she/her. https://sites.psu.edu/lmcphillips/
Oceanographer, professor, Mom, Rhode Islander. Here to learn and connect with ocean, climate, energy crowd.
Associate Professor, School of Geographical Sciences and Urban Planning, Arizona State University
Working on urban resilience, climate change adaptation (especially heat and flooding), and green infrastructure
lawyer but not your lawyer. admin law enthusiast. i work on environmental and climate justice, public banking, and public power. she/they 🇺🇸🇹🇼 Nutmegger in Oakland
opinions are my own!
Teaches philosophy and environmental studies at Vassar College. Climate teaching website under development: https://climatesolutions-careers.org
Professor of Engineering & Public Policy @CarnegieMellon. Energy system transtions and climate. #energysky #climatesky. IPCC AR6 WGIII. Now a @AAAS S&T Policy Fellow in the House of Reps. 🇨🇴by birth, 🇺🇸 by naturalization. 🐘lover. Views are my own.
Ocean & Climate Diplomacy
Former Team #Climate Envoy | USC | UN Foundation | IPCC
Views my own.
Climate, air quality, energy, equitable solutions
Otherwise in the mountains, throwing pots, or making dad jokes
Opinions my own, not my employer's.
Professor, Canada Research Chair - Sustainability transitions and climate change policy. University of Waterloo, 🇨🇦
Executive Director, Waterloo Climate Institute. IPCC LA 6AR, WGIII.
Professor, Climate Science | heatwaves | ANU Fenner School | Deputy Director Engagement & Impact, @21centuryweather | convening lead author @IPCC AR7 | co-host totally cooked podcast | @AMOS president | Climate Comms | Mother | Runner | #ADHD
lurking for climate resilience, adaptation, policy, and planning. Personal account.
Political economy of climate emergency. Assistant Professor of Sociology, UC Berkeley; Director, Socio-Spatial Climate Collaborative, or (SC)2; Founding Co-Director, Climate and Community Institute @cplusc.bsky.social. A Planet to Win (Verso). he/him
Climate & Energy at @iiasa.ac.at | author of IPCC #SR15 | co-chair #AAR2 | board member @ccca.ac.at | #ScientistsForFuture | #FreeTheModels & #FAIRdata for #OpenScience
https://iiasa.ac.at/staff/daniel-huppmann
Researching climate + economic justice.
Direct Climate and Community Institute.
Senior Economist at SF Fed
Applied micro methods, finance, natural resources, disasters, macro outcomes
Views are my own, she/her
www.rothtran.com
Disaster risk & crisis management professor at AIM in Manila, hybrid warfare & disinfo researcher, purveyor of climate security and undesirable futures. RPG writer. Past lives in Alaska, Kosovo, Ukraine, Hungary, Ireland and elsewhere 🇨🇦
Writes about climate, culture, extreme weather, nature & public lands, adaptation, and resiliance for Heatmap.news | Hiking, running, mountains, boats, nonfiction books, long movies, sleep deprivation (baby) |📍 Seattle/Queens
Env & Climate Justice Prof | Author Decolonizing Environmentalism https://tinyurl.com/3v2fysfr | Editor @environmentalpol.bsky.social | GoogleScholar https://tinyurl.com/PKGSChlr | Ex-Chair @isaess.bsky.social | Dad, Husband
Software engineer.
Mostly talk climate and related politics.
Hey, I'm a climate and energy writer / data analyst who focuses on corporate + govt accountability
Creator + curator of the Greensky feed: https://ketanjoshi.co/greensky/
Based in Oslo but write about US, Europe, Aus too - ketan.joshi85@gmail.com
