Costa Samaras @costasamaras.com 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
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
Anne Applebaum @anneapplebaum.wsocial.eu staff writer @theatlantic.com and senior fellow @snfagora.bsky.social. author of GULAG, IRON CURTAIN, RED FAMINE, TWILIGHT OF DEMOCRACY and AUTOCRACY INC
https://linktr.ee/anneapplebaum
Steve Cicala @stevecicala.bsky.social Vontobel Foundation Professor of Sustainable Economics
University of Zurich
Tufts University (on leave)
https://www.stevecicala.com
http://goingelectric.substack.com
Stephen Jarvis @stephenjarvis.bsky.social Assistant Professor in Environmental Economics at LSE. Posting mostly about energy/enviro research. https://stephenjarvis.github.io/
Ted Miguel @tedmiguel.bsky.social Economics Professor and Director Center for Effective Global Action (CEGA), University of California Berkeley (USA)
http://emiguel.econ.berkeley.edu
Robert Metcalfe @rmetcalfe.bsky.social Economist, Prof at Columbia University.
Chief Economist: Centre for Net Zero (Octopus Energy Group).
Co-editor: Journal of Public Economics.
1st gen, 🏴
https://www.rmetcalfe.net/
Berkeley Lab @berkeleylab.lbl.gov Official account of Lawrence Berkeley National Laboratory (LBNL), a U.S. Department of Energy national lab. newscenter.lbl.gov
Joseph Shapiro @joseph-s-shapiro.bsky.social Econ prof at UC Berkeley: environmental/energy, trade, public, health, http://joseph-s-shapiro.com
Alex Barron @alexrbarron.bsky.social Climate policy wonk. Rogue biogeochemist. Assoc. Prof., Fmr. Congressional staff (AAAS_STPF). Obama EPA & Biden OMB alum.
UC Berkeley Haas @berkeleyhaas.bsky.social Official account for Haas School of Business.
Catherine Wolfram @cwolfram.bsky.social Climate and energy economist at MIT Sloan. Former DAS at Yellen Treasury.
Opportunity Lab @berkeleyolab.bsky.social Based at @ucberkeleyofficial.bsky.social, O-Lab generates rigorous evidence to inform social policy and advance economic opportunity. #econsky #policysky
Learn more at olab.berkeley.edu, or find us at linkedin.com/company/berkeley-olab.
NBER @nber.org The National Bureau of Economic Research is dedicated to conducting and disseminating nonpartisan economic research.
nber.org
Energy Institute at Haas @ucenergyinstitute.bsky.social Helping create a more economically and environmentally sustainable energy future through research, teaching and policy engagement. Visit our website for more information about the Energy Institute: haas.berkeley.edu/energy-institute/
Marcus C Sarofim @marcusmarcusrc.bsky.social Climate scientist, ex-EPA. Writing climate science & policy at The Saraph Report. Saraph, my name's root, means fire, which is appropriate for climate work. Interested in books, food, and contra dancing when not obsessing over carbon.
Tatiana Filatova @tatianafilatova.bsky.social Professor in Computational Climate Economics @ TU Delft, PI of @sc3_team funded by ERC & NWO VIDI & Ammodo | Work on climate adaptation+Economics/Finance+Behavior+Complexity | Co-lead Delft Climate Action Program
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Flavio Lehner @climateflavors.bsky.social Climate Scientist
Assistant Professor @ Cornell University
Chief Climate Scientist @ Polar Bears International
https://flaviolehner.eas.cornell.edu/ 
Madison Condon @madisoncondon.bsky.social climate risk, corporations, use & abuse of science & econ in the administrative state
papers: https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=1654671
sometimes I am here and sometimes I am not
Dan Kammen @dankammen.bsky.social Husband & father of two amazing daughters, former Obama and Biden Administration(s) energy, climate and justice team member. Decarbonization and climate justice. Pilot. Astrophotographer. Very concerned US resident. Professor: http://rael.berkeley.edu
Richard Tol @richardtol.bsky.social Professor Dr Richard S.J. Tol FREcon MAE
Economist interested in energy, environment, and climate
EBS19 (E4 B3 S12), H127
ORCID https://orcid.org/my-orcid?orcid=0000-0002-8012-3988
Severin Borenstein @severinborenstein.bsky.social Economics, Business, and Energy Prof at UC Berkeley. Member, Board of Governors, CA ISO. All opinions only my own.
Colin Carlson @colincarlson.bsky.social Climate change, global health security, science diplomacy, and good bad futures • Yale • carlsonlab.bio • viralemergence.org • he/they
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.
Inne Vanderkelen @innevanderkelen.bsky.social Climate scientist, @KULeuven, @RMIBelgium
Chelsea Harvey @chelseaeharvey.bsky.social Climate & extreme weather reporter | POLITICO | PEN Guild | Former (and forever) E&E News | NYC via NC SC AL WV
TIPS: charvey@politico.com | chelseaeharvey@protonmail.com |
Signal @chelseaeharvey.01
Nature Climate Change @natclimate.nature.com A monthly journal dedicated to publishing cutting-edge research on the nature, underlying causes or impacts of global climate change and its implications for the economy, policy and the world at large https://www.nature.com/nclimate
Adam Pollack @crispapoll.bsky.social Assistant professor @ Univ. of Iowa
Flood-risk management and decision support research
https://abpoll.github.io/
Jonas Meckling @jonasmeckling.bsky.social Professor, UC Berkeley | Climate Fellow, Harvard Business School
climate and clean energy policy | www.jonasmeckling.com
Max(imilian) Auffhammer @auffhammer.bsky.social Environmental Economist.
Loves mountains in the winter.
Sabin Center for Climate Change Law @sabincenter.bsky.social Columbia Law School & Columbia Climate School's Sabin Center for Climate Change Law develops legal tools to combat the climate crisis: https://climate.law.columbia.edu/
Christopher Knittel @knittelmit.bsky.social MIT Prof of Applied Economics and Associate Dean for Climate and Sustainability, MIT Sloan; Director of Center for Energy and Environmental Policy Research; Director MIT Climate Policy Center; Caiden’s Dad.
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
ClimateFran @climatefran.bsky.social professor @UCDavis | climate change economist / scientist / general nerd | White House CEA 2022-23
https://franmoore.faculty.ucdavis.edu/
Adam Sobel @adamsobel.bsky.social Atmospheric scientist
Jesse D. Jenkins @jessedjenkins.com 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
Zack Labe @zacklabe.com Climate Scientist at @climatecentral.org | PhD | Passionate about improving science communication through data-driven stories | Harrisburg, PA | https://zacklabe.com/
Views, thoughts, and opinions expressed here are only my own.
Prof. Stefan Rahmstorf @rahmstorf.bsky.social Climate scientist, professor of Physics of the Oceans in Potsdam. Dad. Opinions my own.
Born at 317 ppm CO2.
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Vivek Srikrishnan @vsrikrish.bsky.social Climate uncertainty and risk. Decision-making under deep uncertainty. Assistant Professor, Cornell Biological & Environmental Engineering. Cat caretaker, Tottenham and the Knicks until they kill me. https://viveks.me
UC Berkeley @ucberkeleyofficial.bsky.social The official account for UC Berkeley. #GoBears 🐻
Main website: https://www.berkeley.edu/
UC Berkeley News: https://news.berkeley.edu/
Antti-Ilari Partanen @aipartanen.bsky.social Climate scientist at the Finnish Meteorological Institute using Earth System Models to study e.g. negative emission technologies, carbon budgets, and aerosol climate effects.
Nicola Ulibarri @ulibarri.bsky.social Associate professor at UC Irvine. Nuevo mexicana. Environmental policy & management, water, climate, collaborative governance, and diversifying academia. https://faculty.sites.uci.edu/ulibarri/
Celine Guivarch @celineguivarch.bsky.social Climate Change economist. IPCC AR6 and AR7 mitigation report author.
Dan Sanchez @danlsanchez.bsky.social Prof at UC Berkeley. Biomass, carbon removal, and wood products. PhD from Berkeley. Carbon-centric.
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