We're looking for 2026 summer interns to tackle exciting aspects of AI climate model development (generalization across climates, impacts modeling capabilities like fire and water resources) and to be a part of our dynamic team! job-boards.greenhouse.io/thealleninst...

Libby Barnes moved to Boston University this year and is hiring new postdocs! Applicants who have a strong background in environmental science and deep learning are encouraged to apply. Feel free to DM me if you have questions 😊 www.barnes-research.com/jobs

One of the most egregious tactics used by the reactionary right is to pretend that progressive NGOs with miniscule budgets have an iron grip on governments globally, while the lobby groups funded by fossil capital are powerless smol beans.

OpenAI *really* isn't hiding its intention to power the AI boom with fossil fuels. New from me @desmog.com www.desmog.com/2025/10/13/o...

I wanted to offer some thoughts on the Gates climate memo that has been circulating this week. While I can't directly speak for others, I can say that my own response is one of dismay & deep frustration (and that this view is shared by many climate/Earth scientists). [1/n]

Well reported story on the PBS News Hour about science cuts and the ongoing and potential brain drain. www.youtube.com/watch?v=yLvO... Thanks to Terrance Tao and other scientists at various career stages for having the courage to speak out. Watch and share! 1/7

Today my @nytimes.com colleagues and I are launching a new series called Lost Science. We interview US scientists who can no longer discover something new about our world, thanks to this year‘s cuts. Here is my first interview with a scientist who studied bees and fires. Gift link: nyti.ms/3IWXbiE

News that shocks no one: Carbon offsets do nothing for climate.

Purchased a hard copy of the US constitution in Lexington, MA today. Given all the crazy stuff that’s happening in the world, it feels strangely comforting to own a copy that I know no one can change.

We have exciting news! #CI2026 will be hosted by the École Polytechnique Fédérale de Lausanne (EPFL), in the period of April 27-30, 2026. More information in Tom Beucler's post: www.linkedin.com/posts/tom-be...

New paper out. In which we helped the folks at the Allen Institute for AI (AI2) show that their climate emulator does a good (though not perfect) job at reproducing E3SMs' response to different SST boundary conditions. 1/ agupubs.onlinelibrary.wiley.com/doi/full/10....

This modelling shows that making instant cuts to grants without a plan or consultation is misconceived go.nature.com/4gEQfmX

David Wallace-Wells is the best climate journalist working today, arguably the best journalist period, and this is a fantastic summary of where things stand on climate change:

Our democracy is not self-executing. It depends on us all as citizens, regardless of our political affiliations, to stand up and fight for the core values that have made this country the envy of the world.

🚨 Our annual report is officially live! We compiled the latest #government #data on the issues shaping policy decisions in #Congress right now. #DataViz Read the full report here: https://usafacts.org/research-and-initiatives/reports/america-in-facts/

We always get asked, "What can I *personally* do to help address climate change?" Sadly, there hasn't been a very good answer to this question. Previous guides often treated people as monoliths, giving them a one-size-fits-all answer. But that's changed now. Enter SHIFT. jointheshift.earth

MIT News writes today about our new paper: A simple linear model can outperform a large-scale AI foundation model in climate emulation. We offer an explanation with lessons on benchmarking, bias-variance tradeoff, and natural climate variability. news.mit.edu/2025/simpler...

Why More Researchers Should be Content Creators Just trying something new! I recorded one of my recent talks, sharing what I learned from starting as a small content creator. youtu.be/0W_7tJtGcMI We all benefit when there are more content creators!

As a guy who got a cancer that was probably caused by a virus, I think we should have /more/ vaccines.

The comment period for a sham “climate science” report commissioned by the DOE closed earlier this week, and the verdict is in: the scientific community has overwhelmingly and resoundingly rejected the report. UCS submitted comments on the report, and here are the four key points we made:

EXCITING NEWS! The Climate.us page has officially launched. Here you will be able to read more about us, our plan, updates, see what real people are saying, view our news coverage, and of course find ways to take action. We look forward to your continued support.

It might also make sense for scientists to collaborate on a science-first agenda for the next president (provided we are given the opportunity to elect one). Basically a counter to Project 2025 that’s ready to go on Day 0. @kencaldeira.com

Arizona, the model for voucher programs across the country, spent so much money paying private schoolers’ tuition that it faced hundreds of millions in budget cuts to critical state programs and projects last year. (Published July 2024)

I'm not sure many folks realize just how persistent the warming from CO2 is. Here is a set of 1000-year climate model runs (using FaIR) simulating one year of CO2 emissions (40 gigatons in 2020); a millennia later the world has not cooled back down!

very nice article by @afreedma.bsky.social at @cnn.com about our comment on the DOE report www.cnn.com/2025/09/02/c...

This is AI2ES, my AI institute. No way around it other than to say this is really awful. We are doing so many amazing things! We want to keep doing amazing things but without this level of funding, we will not be able to do so.

Properly designing incentives is hard. I think having prizes for open problems (like the Millenium Prize Problems in mathematics), dynamic leaderboards that evolve in real-time (like LMArena.ai for LLMs), or datasets & benchmarks like The Well polymathic-ai.org/the_well/ are inspiring approaches.

“Over the past 20 years, Paris has undergone a major physical transformation, trading automotive arteries for bike lanes, adding green spaces and eliminating 50,000 parking spaces. Part of the payoff has been invisible — in the air itself.” Leadership, strategy, real action, common sense. #Paris

My latest today on how strict adherence to the rules is killing Democrats while fascists take cities

What will be the deranged reason given for this idiotic move? That they might recommend vaccine research or something? RFK Jr. must be removed from office. It’s him or us.

90% of doing science is being open to new ideas.

If you were a user or admirer of NOAA’s amazing climate.gov website - which has had all the good stuff (e.g., actual data and climate monitoring indices) removed by government - some web and data gurus/guerrillas are about to launch a recreation at climate.us. Follow @climate.us for launch updates.

CVS is now scheduling for new Pfizer and Moderna COVID vaccines (no Novavax; nowhere else is scheduling yet). Get your vaccine while you can 💉

The story of silicon valley is having an economy that desperately wants to build the second picture but a voting base that desperately wants to keep the first picture, so you end up with nothing but rotting ranch houses and strip malls. Biggest bag fumble in history.

In an era of billion-parameter models everywhere, it's incredibly refreshing to see how a fundamental question can be formulated and solved with simple, beautiful math. - How should we orient a solar panel ☀️🔋? - Zero AI! If you enjoy math, you'll love this! Video: www.youtube.com/watch?v=ZKzL...

AI efficiency is important. The median Gemini Apps text prompt in May 2025 used 0.24 Wh of energy (<9 seconds of TV watching) & 0.26 mL (~5 drops) of water. Over 12 months, we reduced the energy footprint of a median text prompt 33x, while improving quality: cloud.google.com/blog/product...

Numerical weather prediction models (ECMWF IFS) still outperform AI weather models in forecasting record-breaking hot and cold extremes and unseen wind extremes Preprint arxiv.org/abs/2508.15724 with Zhongwei Zhang @erichfischer.bsky.social @zscheischlerjak.bsky.social and Sebastian Engelke

Algorithmic Choice! This "For You" feed by @spacecowboy17.bsky.social is what it's all about. You don't have to use Discover. Other people can make great algorithms.

Trump has found a scapegoat for rising electricity prices: renewables. @zeitlin.bsky.social fact-checks the president's claim that "windmills and solar" are driving the electricity price surge (hint: not quite).

This is such an insane statistic that it's hard to understand. 40% of what is shipped is fossil fuels -- not 40% of things are shipped *by* fossil fuels. 40% of *what is being carried* is the fossil fuels themselves.

Simple climate modelling is just basically asking "shall I reduce your entire field to 1 parameter or 2... or just ignore it completely?"

Here’s our proposal:

Under-prediction of past high temperature extremes suggests climate models are underpredicting future high temperature extremes. sustainablesolutions.stanford.edu/publications New open-access paper: www.nature.com/articles/s43... New research brief: drive.google.com/file/d/1tvJ5...

"It’s getting hotter, longer, more humid and more dangerous. Yet averages elide a complex reality: The country’s experience of hotter summers — and thus one of the most visceral aspects of climate change itself — is fractured along geographic lines." More on the Central U.S. warming hole ⬇️

for every step forward the US takes in AI, we take two steps backwards somewhere else. this week it's destroying a perfectly good satellite and canceling funding to one of the most promising technologies for beating cancer

From a US perspective, this is fundamentally worse than Sputnik, and it is having the exact opposite and wrong reaction to 1957 - retreat, shutting down basic science and clean tech commercialization, instead of diving into creating a national science complex and building fast.

The recent DOE climate science report misrepresents the work of many researchers. Carbon Brief asked those cited to review the parts of the report where their work was used, and we collectively found 100+ misleading or false statements: interactive.carbonbr...

TL;DR, it only takes six simple equations to do (reasonably) accurate longwave radiative transfer in a GCM! Demonstrated for an Earth-like planet, but the approach could easily be extended to exoplanets!

Donald Trump, if you will not stand down, California will be forced to lead an effort to redraw our maps to offset the rigging of maps in red states. If the other states call off their redistricting efforts, we will do the same. And American democracy will be better for it.